./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef0694c6828fdd41a19c9b426d075f4f4dde925f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:41:38,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:41:38,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:41:38,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:41:38,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:41:38,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:41:38,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:41:38,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:41:38,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:41:38,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:41:38,679 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:41:38,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:41:38,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:41:38,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:41:38,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:41:38,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:41:38,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:41:38,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:41:38,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:41:38,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:41:38,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:41:38,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:41:38,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:41:38,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:41:38,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:41:38,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:41:38,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:41:38,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:41:38,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:41:38,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:41:38,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:41:38,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:41:38,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:41:38,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:41:38,696 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:41:38,697 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:41:38,697 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:41:38,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:41:38,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:41:38,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:41:38,708 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:41:38,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:41:38,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:41:38,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:41:38,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:41:38,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:41:38,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:41:38,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:41:38,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:41:38,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:41:38,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:41:38,710 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:41:38,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:41:38,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:41:38,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:41:38,712 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:41:38,712 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:41:38,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:41:38,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:41:38,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:41:38,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:41:38,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:41:38,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:41:38,713 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:41:38,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:41:38,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:41:38,713 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_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak 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 -> Kojak 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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-11-23 04:41:38,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:41:38,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:41:38,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:41:38,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:41:38,755 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:41:38,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-23 04:41:38,804 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/data/3f5cae1aa/3910c42130ec46d2a6cd0b92ddbeae79/FLAG9875890d7 [2018-11-23 04:41:39,180 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:41:39,180 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-23 04:41:39,190 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/data/3f5cae1aa/3910c42130ec46d2a6cd0b92ddbeae79/FLAG9875890d7 [2018-11-23 04:41:39,198 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/data/3f5cae1aa/3910c42130ec46d2a6cd0b92ddbeae79 [2018-11-23 04:41:39,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:41:39,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:41:39,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:41:39,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:41:39,205 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:41:39,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a0aff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39, skipping insertion in model container [2018-11-23 04:41:39,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:41:39,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:41:39,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:41:39,463 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:41:39,568 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:41:39,589 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:41:39,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39 WrapperNode [2018-11-23 04:41:39,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:41:39,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:41:39,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:41:39,590 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:41:39,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:41:39,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:41:39,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:41:39,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:41:39,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... [2018-11-23 04:41:39,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:41:39,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:41:39,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:41:39,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:41:39,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:41:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 04:41:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:41:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 04:41:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 04:41:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 04:41:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 04:41:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 04:41:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 04:41:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 04:41:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 04:41:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 04:41:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 04:41:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 04:41:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 04:41:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 04:41:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 04:41:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 04:41:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 04:41:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:41:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 04:41:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 04:41:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:41:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:41:40,280 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:41:40,280 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-11-23 04:41:40,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:41:40 BoogieIcfgContainer [2018-11-23 04:41:40,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:41:40,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:41:40,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:41:40,291 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:41:40,291 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:41:40" (1/1) ... [2018-11-23 04:41:40,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:41:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-11-23 04:41:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-11-23 04:41:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 04:41:40,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 90 transitions. [2018-11-23 04:41:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2018-11-23 04:41:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:41:40,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2018-11-23 04:41:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2018-11-23 04:41:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 04:41:40,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-11-23 04:41:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-11-23 04:41:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 04:41:40,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2018-11-23 04:41:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2018-11-23 04:41:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:41:40,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-11-23 04:41:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-11-23 04:41:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:41:40,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2018-11-23 04:41:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2018-11-23 04:41:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:41:40,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2018-11-23 04:41:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2018-11-23 04:41:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 04:41:41,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 102 states and 154 transitions. [2018-11-23 04:41:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-23 04:41:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 04:41:41,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 121 states and 192 transitions. [2018-11-23 04:41:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-11-23 04:41:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:41:42,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 129 states and 211 transitions. [2018-11-23 04:41:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-11-23 04:41:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 04:41:42,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 213 transitions. [2018-11-23 04:41:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2018-11-23 04:41:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 04:41:42,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 221 transitions. [2018-11-23 04:41:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-11-23 04:41:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 04:41:42,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 138 states and 225 transitions. [2018-11-23 04:41:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-11-23 04:41:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:41:42,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:41:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 226 transitions. [2018-11-23 04:41:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 226 transitions. [2018-11-23 04:41:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 04:41:42,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 152 states and 256 transitions. [2018-11-23 04:41:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2018-11-23 04:41:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 04:41:44,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 153 states and 257 transitions. [2018-11-23 04:41:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 257 transitions. [2018-11-23 04:41:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 04:41:44,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 04:41:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 154 states and 256 transitions. [2018-11-23 04:41:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 256 transitions. [2018-11-23 04:41:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 04:41:45,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 164 states and 282 transitions. [2018-11-23 04:41:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2018-11-23 04:41:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 04:41:46,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 288 transitions. [2018-11-23 04:41:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 288 transitions. [2018-11-23 04:41:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 04:41:46,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 04:41:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 170 states and 296 transitions. [2018-11-23 04:41:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 296 transitions. [2018-11-23 04:41:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 04:41:47,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 177 states and 313 transitions. [2018-11-23 04:41:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 313 transitions. [2018-11-23 04:41:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 04:41:47,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 184 states and 325 transitions. [2018-11-23 04:41:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 325 transitions. [2018-11-23 04:41:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 04:41:48,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 188 states and 333 transitions. [2018-11-23 04:41:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 333 transitions. [2018-11-23 04:41:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 04:41:48,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 189 states and 334 transitions. [2018-11-23 04:41:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 334 transitions. [2018-11-23 04:41:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 04:41:48,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 190 states and 335 transitions. [2018-11-23 04:41:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 335 transitions. [2018-11-23 04:41:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 04:41:48,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 192 states and 336 transitions. [2018-11-23 04:41:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 336 transitions. [2018-11-23 04:41:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 04:41:48,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 193 states and 336 transitions. [2018-11-23 04:41:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 336 transitions. [2018-11-23 04:41:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 04:41:48,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 194 states and 337 transitions. [2018-11-23 04:41:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 337 transitions. [2018-11-23 04:41:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 04:41:48,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 04:41:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 195 states and 338 transitions. [2018-11-23 04:41:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 338 transitions. [2018-11-23 04:41:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 04:41:48,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 211 states and 381 transitions. [2018-11-23 04:41:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 381 transitions. [2018-11-23 04:41:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 04:41:50,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 213 states and 383 transitions. [2018-11-23 04:41:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 383 transitions. [2018-11-23 04:41:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 04:41:50,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:51,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 225 states and 415 transitions. [2018-11-23 04:41:51,918 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 415 transitions. [2018-11-23 04:41:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 04:41:51,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 225 states and 414 transitions. [2018-11-23 04:41:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 414 transitions. [2018-11-23 04:41:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 04:41:52,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:41:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 226 states and 414 transitions. [2018-11-23 04:41:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 414 transitions. [2018-11-23 04:41:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 04:41:52,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 227 states and 415 transitions. [2018-11-23 04:41:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 415 transitions. [2018-11-23 04:41:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 04:41:52,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 228 states and 416 transitions. [2018-11-23 04:41:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 416 transitions. [2018-11-23 04:41:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 04:41:52,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:41:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 231 states and 420 transitions. [2018-11-23 04:41:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 420 transitions. [2018-11-23 04:41:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 04:41:52,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 227 states and 412 transitions. [2018-11-23 04:41:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 412 transitions. [2018-11-23 04:41:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 04:41:52,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:41:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 229 states and 413 transitions. [2018-11-23 04:41:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 413 transitions. [2018-11-23 04:41:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 04:41:52,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:41:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 232 states and 418 transitions. [2018-11-23 04:41:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 418 transitions. [2018-11-23 04:41:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 04:41:52,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:41:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 233 states and 419 transitions. [2018-11-23 04:41:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 419 transitions. [2018-11-23 04:41:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 04:41:52,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 235 states and 417 transitions. [2018-11-23 04:41:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 417 transitions. [2018-11-23 04:41:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 04:41:53,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 04:41:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 239 states and 424 transitions. [2018-11-23 04:41:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 424 transitions. [2018-11-23 04:41:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 04:41:53,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 245 states and 434 transitions. [2018-11-23 04:41:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 434 transitions. [2018-11-23 04:41:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 04:41:55,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:41:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 246 states and 434 transitions. [2018-11-23 04:41:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 434 transitions. [2018-11-23 04:41:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 04:41:55,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 04:41:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 244 states and 430 transitions. [2018-11-23 04:41:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 430 transitions. [2018-11-23 04:41:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 04:41:55,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 04:41:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 245 states and 433 transitions. [2018-11-23 04:41:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 433 transitions. [2018-11-23 04:41:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 04:41:55,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 04:41:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 253 states and 446 transitions. [2018-11-23 04:41:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 446 transitions. [2018-11-23 04:41:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 04:41:56,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 04:41:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 255 states and 449 transitions. [2018-11-23 04:41:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 449 transitions. [2018-11-23 04:41:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 04:41:56,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:41:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 257 states and 451 transitions. [2018-11-23 04:41:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 451 transitions. [2018-11-23 04:41:56,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 04:41:56,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:41:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 258 states and 451 transitions. [2018-11-23 04:41:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 451 transitions. [2018-11-23 04:41:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 04:41:56,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:41:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 258 states and 443 transitions. [2018-11-23 04:41:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 443 transitions. [2018-11-23 04:41:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 04:41:57,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 04:41:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 267 states and 462 transitions. [2018-11-23 04:41:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 462 transitions. [2018-11-23 04:41:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 04:41:59,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 04:41:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 268 states and 463 transitions. [2018-11-23 04:41:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 463 transitions. [2018-11-23 04:41:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 04:41:59,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 04:41:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 269 states and 464 transitions. [2018-11-23 04:41:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 464 transitions. [2018-11-23 04:41:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 04:41:59,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 04:42:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 271 states and 465 transitions. [2018-11-23 04:42:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 465 transitions. [2018-11-23 04:42:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 04:42:00,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 04:42:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 262 states and 448 transitions. [2018-11-23 04:42:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 448 transitions. [2018-11-23 04:42:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 04:42:00,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 04:42:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 255 states and 433 transitions. [2018-11-23 04:42:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 433 transitions. [2018-11-23 04:42:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 04:42:00,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 04:42:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 236 states and 395 transitions. [2018-11-23 04:42:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 395 transitions. [2018-11-23 04:42:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 04:42:01,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 04:42:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 238 states and 399 transitions. [2018-11-23 04:42:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 399 transitions. [2018-11-23 04:42:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 04:42:01,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 04:42:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 246 states and 411 transitions. [2018-11-23 04:42:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 411 transitions. [2018-11-23 04:42:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 04:42:01,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 04:42:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 247 states and 412 transitions. [2018-11-23 04:42:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-11-23 04:42:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 04:42:01,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 04:42:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 248 states and 413 transitions. [2018-11-23 04:42:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 413 transitions. [2018-11-23 04:42:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 04:42:01,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 04:42:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 230 states and 377 transitions. [2018-11-23 04:42:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 377 transitions. [2018-11-23 04:42:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 04:42:01,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 04:42:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 230 states and 372 transitions. [2018-11-23 04:42:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-11-23 04:42:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 04:42:02,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:42:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 237 states and 384 transitions. [2018-11-23 04:42:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 384 transitions. [2018-11-23 04:42:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 04:42:02,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 04:42:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 235 states and 380 transitions. [2018-11-23 04:42:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 380 transitions. [2018-11-23 04:42:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 04:42:03,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:42:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 240 states and 389 transitions. [2018-11-23 04:42:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 389 transitions. [2018-11-23 04:42:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 04:42:03,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 04:42:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 240 states and 386 transitions. [2018-11-23 04:42:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 386 transitions. [2018-11-23 04:42:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 04:42:04,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 04:42:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 241 states and 387 transitions. [2018-11-23 04:42:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 387 transitions. [2018-11-23 04:42:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 04:42:04,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 04:42:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 242 states and 388 transitions. [2018-11-23 04:42:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-11-23 04:42:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 04:42:04,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:42:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 04:42:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:42:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 194 states and 288 transitions. [2018-11-23 04:42:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2018-11-23 04:42:05,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:42:05,924 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 73 iterations. [2018-11-23 04:42:05,930 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:42:06,429 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 04:42:06,435 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,435 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 04:42:06,436 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 04:42:06,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,437 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 04:42:06,438 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-23 04:42:06,438 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 04:42:06,440 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,440 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,440 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:42:06,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:42:06 ImpRootNode [2018-11-23 04:42:06,440 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:42:06,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:42:06,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:42:06,442 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:42:06,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:41:40" (3/4) ... [2018-11-23 04:42:06,446 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 04:42:06,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 04:42:06,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 04:42:06,457 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 04:42:06,457 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 04:42:06,458 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 04:42:06,458 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 04:42:06,458 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:42:06,458 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:42:06,459 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:42:06,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 || waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(systemActive == 0))) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical))) || (systemActive == 0 && pumpRunning == \old(pumpRunning)) [2018-11-23 04:42:06,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-23 04:42:06,506 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f0ea13a-7526-48b0-970d-7257e818956e/bin-2019/ukojak/witness.graphml [2018-11-23 04:42:06,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:42:06,507 INFO L168 Benchmark]: Toolchain (without parser) took 27306.19 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 686.8 MB). Free memory was 950.4 MB in the beginning and 891.1 MB in the end (delta: 59.2 MB). Peak memory consumption was 746.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:42:06,508 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:42:06,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:42:06,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:42:06,509 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:42:06,509 INFO L168 Benchmark]: RCFGBuilder took 628.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:42:06,509 INFO L168 Benchmark]: CodeCheck took 26159.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 564.1 MB). Free memory was 1.0 GB in the beginning and 908.9 MB in the end (delta: 131.9 MB). Peak memory consumption was 696.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:42:06,510 INFO L168 Benchmark]: Witness Printer took 65.01 ms. Allocated memory is still 1.7 GB. Free memory was 908.9 MB in the beginning and 891.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:42:06,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 90 locations, 1 error locations. SAFE Result, 25.6s OverallTime, 73 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -588610072 SDtfs, 591218714 SDslu, 887042680 SDs, 0 SdLazy, 1172330792 SolverSat, 1457139966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40854 GetRequests, 39875 SyntacticMatches, 510 SemanticMatches, 469 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111022 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3767 NumberOfCodeBlocks, 3767 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 3695 ConstructedInterpolants, 0 QuantifiedInterpolants, 428742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 72 InterpolantComputations, 60 PerfectInterpolantSequences, 1612/1673 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 73]: 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: 947]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && tmp == 1) && tmp == systemActive - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 || waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(systemActive == 0))) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical))) || (systemActive == 0 && pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (0 == pumpRunning || 0 == methaneLevelCritical) || 3 < splverifierCounter - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical || 0 == pumpRunning - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 628.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26159.15 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 564.1 MB). Free memory was 1.0 GB in the beginning and 908.9 MB in the end (delta: 131.9 MB). Peak memory consumption was 696.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.01 ms. Allocated memory is still 1.7 GB. Free memory was 908.9 MB in the beginning and 891.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...