./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_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_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:00:09,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:00:09,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:00:09,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:00:09,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:00:09,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:00:09,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:00:09,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:00:09,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:00:09,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:00:09,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:00:09,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:00:09,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:00:09,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:00:09,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:00:09,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:00:09,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:00:09,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:00:09,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:00:09,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:00:09,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:00:09,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:00:09,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:00:09,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:00:09,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:00:09,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:00:09,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:00:09,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:00:09,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:00:09,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:00:09,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:00:09,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:00:09,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:00:09,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:00:09,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:00:09,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:00:09,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 15:00:09,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:00:09,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:00:09,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:00:09,479 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:00:09,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:00:09,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:00:09,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:00:09,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:00:09,480 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:00:09,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:00:09,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:00:09,482 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:00:09,482 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:00:09,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:00:09,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:00:09,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:00:09,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:00:09,482 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:00:09,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:00:09,483 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 15:00:09,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:00:09,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:00:09,483 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_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-12-02 15:00:09,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:00:09,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:00:09,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:00:09,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:00:09,520 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:00:09,521 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-02 15:00:09,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/data/859eb8559/4106d53c760147689634fd2d9813d84a/FLAGb79c3564f [2018-12-02 15:00:09,871 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:00:09,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-02 15:00:09,878 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/data/859eb8559/4106d53c760147689634fd2d9813d84a/FLAGb79c3564f [2018-12-02 15:00:09,886 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/data/859eb8559/4106d53c760147689634fd2d9813d84a [2018-12-02 15:00:09,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:00:09,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:00:09,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:00:09,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:00:09,892 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:00:09,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:09" (1/1) ... [2018-12-02 15:00:09,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:09, skipping insertion in model container [2018-12-02 15:00:09,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:09" (1/1) ... [2018-12-02 15:00:09,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:00:09,918 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:00:10,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:00:10,114 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:00:10,170 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:00:10,187 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:00:10,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10 WrapperNode [2018-12-02 15:00:10,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:00:10,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:00:10,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:00:10,188 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:00:10,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:00:10,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:00:10,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:00:10,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:00:10,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:00:10,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:00:10,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:00:10,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:00:10,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/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 [2018-12-02 15:00:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 15:00:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 15:00:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 15:00:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 15:00:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 15:00:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 15:00:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 15:00:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 15:00:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 15:00:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 15:00:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 15:00:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 15:00:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 15:00:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 15:00:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 15:00:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 15:00:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 15:00:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 15:00:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:00:10,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:00:10,660 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:00:10,660 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-02 15:00:10,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:10 BoogieIcfgContainer [2018-12-02 15:00:10,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:00:10,661 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:00:10,661 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:00:10,669 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:00:10,669 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:10" (1/1) ... [2018-12-02 15:00:10,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:00:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2018-12-02 15:00:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2018-12-02 15:00:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 15:00:10,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2018-12-02 15:00:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2018-12-02 15:00:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 15:00:10,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:10,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-12-02 15:00:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-02 15:00:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 15:00:10,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2018-12-02 15:00:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2018-12-02 15:00:10,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 15:00:10,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2018-12-02 15:00:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2018-12-02 15:00:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 15:00:11,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2018-12-02 15:00:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2018-12-02 15:00:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 15:00:11,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2018-12-02 15:00:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2018-12-02 15:00:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 15:00:11,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2018-12-02 15:00:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2018-12-02 15:00:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 15:00:11,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2018-12-02 15:00:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2018-12-02 15:00:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 15:00:11,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2018-12-02 15:00:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2018-12-02 15:00:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 15:00:11,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 152 transitions. [2018-12-02 15:00:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2018-12-02 15:00:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 15:00:11,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2018-12-02 15:00:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2018-12-02 15:00:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 15:00:12,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 191 transitions. [2018-12-02 15:00:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2018-12-02 15:00:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 15:00:12,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 121 states and 214 transitions. [2018-12-02 15:00:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 214 transitions. [2018-12-02 15:00:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 15:00:12,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 215 transitions. [2018-12-02 15:00:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 215 transitions. [2018-12-02 15:00:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 15:00:12,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 226 transitions. [2018-12-02 15:00:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 226 transitions. [2018-12-02 15:00:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 15:00:12,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 127 states and 226 transitions. [2018-12-02 15:00:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2018-12-02 15:00:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 15:00:13,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 128 states and 227 transitions. [2018-12-02 15:00:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2018-12-02 15:00:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 15:00:13,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 228 transitions. [2018-12-02 15:00:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2018-12-02 15:00:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 15:00:13,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 139 states and 254 transitions. [2018-12-02 15:00:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 254 transitions. [2018-12-02 15:00:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 15:00:13,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 264 transitions. [2018-12-02 15:00:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 264 transitions. [2018-12-02 15:00:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 15:00:13,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 145 states and 265 transitions. [2018-12-02 15:00:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2018-12-02 15:00:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 15:00:13,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 266 transitions. [2018-12-02 15:00:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2018-12-02 15:00:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 15:00:13,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 268 transitions. [2018-12-02 15:00:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2018-12-02 15:00:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 15:00:13,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 270 transitions. [2018-12-02 15:00:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 270 transitions. [2018-12-02 15:00:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 15:00:13,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 15:00:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 160 states and 313 transitions. [2018-12-02 15:00:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 313 transitions. [2018-12-02 15:00:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 15:00:14,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 15:00:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 316 transitions. [2018-12-02 15:00:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2018-12-02 15:00:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 15:00:14,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 170 states and 343 transitions. [2018-12-02 15:00:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 343 transitions. [2018-12-02 15:00:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 15:00:15,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 15:00:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 171 states and 344 transitions. [2018-12-02 15:00:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 344 transitions. [2018-12-02 15:00:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 15:00:15,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 15:00:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 172 states and 345 transitions. [2018-12-02 15:00:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 345 transitions. [2018-12-02 15:00:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 15:00:15,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 175 states and 353 transitions. [2018-12-02 15:00:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 353 transitions. [2018-12-02 15:00:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 15:00:16,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:17,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:17,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 190 states and 390 transitions. [2018-12-02 15:00:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2018-12-02 15:00:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 15:00:17,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 15:00:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 197 states and 416 transitions. [2018-12-02 15:00:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 416 transitions. [2018-12-02 15:00:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 15:00:18,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:00:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 198 states and 417 transitions. [2018-12-02 15:00:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 417 transitions. [2018-12-02 15:00:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 15:00:18,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 199 states and 418 transitions. [2018-12-02 15:00:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 418 transitions. [2018-12-02 15:00:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 15:00:18,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:00:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 202 states and 427 transitions. [2018-12-02 15:00:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 427 transitions. [2018-12-02 15:00:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 15:00:18,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:00:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 200 states and 417 transitions. [2018-12-02 15:00:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 417 transitions. [2018-12-02 15:00:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 15:00:18,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 15:00:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 200 states and 416 transitions. [2018-12-02 15:00:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 416 transitions. [2018-12-02 15:00:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 15:00:18,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:00:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 205 states and 432 transitions. [2018-12-02 15:00:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 432 transitions. [2018-12-02 15:00:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 15:00:20,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:00:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 207 states and 433 transitions. [2018-12-02 15:00:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 433 transitions. [2018-12-02 15:00:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 15:00:20,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 15:00:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 212 states and 442 transitions. [2018-12-02 15:00:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 442 transitions. [2018-12-02 15:00:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 15:00:20,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 15:00:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 213 states and 446 transitions. [2018-12-02 15:00:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 446 transitions. [2018-12-02 15:00:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 15:00:20,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 15:00:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 217 states and 452 transitions. [2018-12-02 15:00:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 452 transitions. [2018-12-02 15:00:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 15:00:21,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 15:00:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 215 states and 448 transitions. [2018-12-02 15:00:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 448 transitions. [2018-12-02 15:00:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 15:00:21,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:00:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 219 states and 457 transitions. [2018-12-02 15:00:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 457 transitions. [2018-12-02 15:00:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 15:00:21,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 15:00:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 216 states and 448 transitions. [2018-12-02 15:00:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 448 transitions. [2018-12-02 15:00:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 15:00:21,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:00:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 224 states and 465 transitions. [2018-12-02 15:00:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 465 transitions. [2018-12-02 15:00:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 15:00:22,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:00:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 227 states and 471 transitions. [2018-12-02 15:00:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 471 transitions. [2018-12-02 15:00:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 15:00:22,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:00:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 228 states and 472 transitions. [2018-12-02 15:00:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 472 transitions. [2018-12-02 15:00:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 15:00:22,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 15:00:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 229 states and 472 transitions. [2018-12-02 15:00:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 472 transitions. [2018-12-02 15:00:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 15:00:22,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 15:00:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 229 states and 468 transitions. [2018-12-02 15:00:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 468 transitions. [2018-12-02 15:00:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 15:00:22,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 15:00:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 230 states and 465 transitions. [2018-12-02 15:00:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 465 transitions. [2018-12-02 15:00:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 15:00:23,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 15:00:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 214 states and 435 transitions. [2018-12-02 15:00:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 435 transitions. [2018-12-02 15:00:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 15:00:23,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 15:00:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 209 states and 423 transitions. [2018-12-02 15:00:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 423 transitions. [2018-12-02 15:00:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 15:00:23,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 15:00:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 211 states and 427 transitions. [2018-12-02 15:00:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 427 transitions. [2018-12-02 15:00:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 15:00:23,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 15:00:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 211 states and 423 transitions. [2018-12-02 15:00:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 423 transitions. [2018-12-02 15:00:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 15:00:23,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:00:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 224 states and 484 transitions. [2018-12-02 15:00:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 484 transitions. [2018-12-02 15:00:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 15:00:25,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:00:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 224 states and 483 transitions. [2018-12-02 15:00:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 483 transitions. [2018-12-02 15:00:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 15:00:26,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 15:00:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 224 states and 480 transitions. [2018-12-02 15:00:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 480 transitions. [2018-12-02 15:00:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 15:00:26,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 15:00:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 228 states and 488 transitions. [2018-12-02 15:00:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 488 transitions. [2018-12-02 15:00:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 15:00:26,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:00:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 15:00:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:00:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 142 states and 253 transitions. [2018-12-02 15:00:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 253 transitions. [2018-12-02 15:00:27,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:00:27,137 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-12-02 15:00:27,143 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 15:00:27,397 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,399 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-02 15:00:27,402 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 15:00:27,403 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 15:00:27,403 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,403 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,403 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 15:00:27,404 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:00:27,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:00:27 ImpRootNode [2018-12-02 15:00:27,404 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:00:27,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:00:27,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:00:27,404 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:00:27,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:10" (3/4) ... [2018-12-02 15:00:27,407 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 15:00:27,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 15:00:27,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-02 15:00:27,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 15:00:27,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 15:00:27,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 15:00:27,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 15:00:27,416 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 15:00:27,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning)) || (waterLevel == 0 && systemActive == 1)) || (systemActive == 1 && \old(pumpRunning) == pumpRunning) [2018-12-02 15:00:27,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-02 15:00:27,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == pumpRunning) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || (systemActive == 0 && !(tmp == \old(waterLevel)))) || tmp == waterLevel) || !(0 == pumpRunning) [2018-12-02 15:00:27,455 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b10b97f-1dbe-4be3-a69f-ca02958a0df7/bin-2019/ukojak/witness.graphml [2018-12-02 15:00:27,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:00:27,456 INFO L168 Benchmark]: Toolchain (without parser) took 17567.40 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 511.7 MB). Free memory was 949.5 MB in the beginning and 1.4 GB in the end (delta: -416.9 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.01 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. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: Boogie Preprocessor took 22.82 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. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: RCFGBuilder took 409.26 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: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:00:27,457 INFO L168 Benchmark]: CodeCheck took 16742.90 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -366.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:00:27,458 INFO L168 Benchmark]: Witness Printer took 51.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-12-02 15:00:27,459 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 16.4s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -301775728 SDtfs, 1485082920 SDslu, -1664369248 SDs, 0 SdLazy, -546900072 SolverSat, 878246716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29572 GetRequests, 28812 SyntacticMatches, 379 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78547 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2486 NumberOfCodeBlocks, 2486 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2426 ConstructedInterpolants, 0 QuantifiedInterpolants, 278758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 45 PerfectInterpolantSequences, 901/985 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: 111]: 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: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == pumpRunning) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || (systemActive == 0 && !(tmp == \old(waterLevel)))) || tmp == waterLevel) || !(0 == pumpRunning) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning)) || (waterLevel == 0 && systemActive == 1)) || (systemActive == 1 && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.01 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 22.82 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 409.26 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: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * CodeCheck took 16742.90 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -366.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...