./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_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_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/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 e10040ad9d006089566ac73bab5ec598c71c2723 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:21:29,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:21:29,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:21:29,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:21:29,462 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:21:29,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:21:29,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:21:29,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:21:29,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:21:29,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:21:29,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:21:29,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:21:29,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:21:29,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:21:29,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:21:29,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:21:29,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:21:29,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:21:29,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:21:29,471 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:21:29,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:21:29,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:21:29,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:21:29,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:21:29,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:21:29,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:21:29,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:21:29,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:21:29,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:21:29,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:21:29,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:21:29,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:21:29,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:21:29,476 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:21:29,477 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:21:29,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:21:29,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:21:29,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:21:29,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:21:29,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:21:29,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:21:29,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:21:29,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:21:29,487 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:21:29,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:21:29,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:21:29,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:21:29,488 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:21:29,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:21:29,488 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:21:29,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:21:29,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:21:29,488 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_060f787a-e57e-49d0-9c3d-ed342b5472f6/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-12-09 17:21:29,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:21:29,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:21:29,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:21:29,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:21:29,515 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:21:29,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-12-09 17:21:29,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/data/4c366429b/5e9e1b50d47f411e9c54929a944af1b8/FLAGc38a3af9b [2018-12-09 17:21:30,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:21:30,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-12-09 17:21:30,019 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/data/4c366429b/5e9e1b50d47f411e9c54929a944af1b8/FLAGc38a3af9b [2018-12-09 17:21:30,028 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/data/4c366429b/5e9e1b50d47f411e9c54929a944af1b8 [2018-12-09 17:21:30,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:21:30,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:21:30,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:21:30,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:21:30,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:21:30,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30, skipping insertion in model container [2018-12-09 17:21:30,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:21:30,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:21:30,213 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:21:30,221 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:21:30,299 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:21:30,314 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:21:30,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30 WrapperNode [2018-12-09 17:21:30,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:21:30,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:21:30,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:21:30,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:21:30,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:21:30,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:21:30,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:21:30,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:21:30,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:21:30,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:21:30,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:21:30,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:21:30,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/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 [2018-12-09 17:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 17:21:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 17:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:21:30,854 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:21:30,854 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 17:21:30,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:30 BoogieIcfgContainer [2018-12-09 17:21:30,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:21:30,855 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:21:30,855 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:21:30,864 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:21:30,864 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:30" (1/1) ... [2018-12-09 17:21:30,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-09 17:21:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-09 17:21:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 17:21:30,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-09 17:21:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-09 17:21:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 17:21:31,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-09 17:21:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-09 17:21:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 17:21:31,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-09 17:21:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-09 17:21:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 17:21:31,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-09 17:21:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-09 17:21:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 17:21:31,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2018-12-09 17:21:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2018-12-09 17:21:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 17:21:31,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2018-12-09 17:21:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2018-12-09 17:21:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 17:21:31,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 151 transitions. [2018-12-09 17:21:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2018-12-09 17:21:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 17:21:31,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 154 transitions. [2018-12-09 17:21:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2018-12-09 17:21:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 17:21:32,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 92 states and 155 transitions. [2018-12-09 17:21:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2018-12-09 17:21:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 17:21:32,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 157 transitions. [2018-12-09 17:21:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2018-12-09 17:21:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 17:21:32,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 98 states and 166 transitions. [2018-12-09 17:21:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2018-12-09 17:21:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 17:21:32,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 168 transitions. [2018-12-09 17:21:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2018-12-09 17:21:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 17:21:32,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 183 transitions. [2018-12-09 17:21:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2018-12-09 17:21:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 17:21:32,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 104 states and 179 transitions. [2018-12-09 17:21:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2018-12-09 17:21:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 17:21:32,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 187 transitions. [2018-12-09 17:21:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2018-12-09 17:21:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 17:21:33,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 231 transitions. [2018-12-09 17:21:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 231 transitions. [2018-12-09 17:21:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 17:21:34,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 236 transitions. [2018-12-09 17:21:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2018-12-09 17:21:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 17:21:35,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:21:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 126 states and 237 transitions. [2018-12-09 17:21:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 237 transitions. [2018-12-09 17:21:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 17:21:35,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 250 transitions. [2018-12-09 17:21:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 250 transitions. [2018-12-09 17:21:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 17:21:35,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 139 states and 270 transitions. [2018-12-09 17:21:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 270 transitions. [2018-12-09 17:21:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 17:21:36,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 141 states and 273 transitions. [2018-12-09 17:21:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 273 transitions. [2018-12-09 17:21:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 17:21:36,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 142 states and 274 transitions. [2018-12-09 17:21:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 274 transitions. [2018-12-09 17:21:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 17:21:36,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 144 states and 278 transitions. [2018-12-09 17:21:37,261 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 278 transitions. [2018-12-09 17:21:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 17:21:37,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 279 transitions. [2018-12-09 17:21:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 279 transitions. [2018-12-09 17:21:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 17:21:37,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 153 states and 301 transitions. [2018-12-09 17:21:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 301 transitions. [2018-12-09 17:21:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 17:21:37,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 155 states and 305 transitions. [2018-12-09 17:21:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 305 transitions. [2018-12-09 17:21:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 17:21:37,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 156 states and 306 transitions. [2018-12-09 17:21:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 306 transitions. [2018-12-09 17:21:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 17:21:38,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 156 states and 302 transitions. [2018-12-09 17:21:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 302 transitions. [2018-12-09 17:21:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 17:21:38,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 168 states and 345 transitions. [2018-12-09 17:21:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 345 transitions. [2018-12-09 17:21:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 17:21:39,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 170 states and 351 transitions. [2018-12-09 17:21:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 351 transitions. [2018-12-09 17:21:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 17:21:39,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 181 states and 382 transitions. [2018-12-09 17:21:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 382 transitions. [2018-12-09 17:21:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 17:21:41,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 191 states and 405 transitions. [2018-12-09 17:21:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 405 transitions. [2018-12-09 17:21:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 17:21:42,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:21:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 193 states and 408 transitions. [2018-12-09 17:21:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 408 transitions. [2018-12-09 17:21:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 17:21:42,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 195 states and 414 transitions. [2018-12-09 17:21:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 414 transitions. [2018-12-09 17:21:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 17:21:42,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 196 states and 417 transitions. [2018-12-09 17:21:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 417 transitions. [2018-12-09 17:21:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 17:21:42,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:21:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 197 states and 418 transitions. [2018-12-09 17:21:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 418 transitions. [2018-12-09 17:21:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 17:21:42,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:21:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 202 states and 432 transitions. [2018-12-09 17:21:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 432 transitions. [2018-12-09 17:21:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 17:21:43,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 17:21:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 202 states and 427 transitions. [2018-12-09 17:21:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 427 transitions. [2018-12-09 17:21:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 17:21:44,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 17:21:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 212 states and 454 transitions. [2018-12-09 17:21:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 454 transitions. [2018-12-09 17:21:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 17:21:45,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 17:21:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 214 states and 457 transitions. [2018-12-09 17:21:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 457 transitions. [2018-12-09 17:21:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 17:21:45,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 222 states and 479 transitions. [2018-12-09 17:21:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 479 transitions. [2018-12-09 17:21:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 17:21:46,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 224 states and 482 transitions. [2018-12-09 17:21:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 482 transitions. [2018-12-09 17:21:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 17:21:46,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 232 states and 504 transitions. [2018-12-09 17:21:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 504 transitions. [2018-12-09 17:21:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 17:21:47,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 243 states and 526 transitions. [2018-12-09 17:21:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 526 transitions. [2018-12-09 17:21:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 17:21:49,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 244 states and 527 transitions. [2018-12-09 17:21:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 527 transitions. [2018-12-09 17:21:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 17:21:49,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 17:21:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 245 states and 528 transitions. [2018-12-09 17:21:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 528 transitions. [2018-12-09 17:21:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 17:21:49,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 17:21:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 240 states and 516 transitions. [2018-12-09 17:21:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 516 transitions. [2018-12-09 17:21:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:21:49,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:21:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 241 states and 517 transitions. [2018-12-09 17:21:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 517 transitions. [2018-12-09 17:21:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 17:21:49,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 17:21:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 245 states and 527 transitions. [2018-12-09 17:21:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 527 transitions. [2018-12-09 17:21:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 17:21:50,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 17:21:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 246 states and 528 transitions. [2018-12-09 17:21:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 528 transitions. [2018-12-09 17:21:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 17:21:50,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 17:21:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 248 states and 537 transitions. [2018-12-09 17:21:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 537 transitions. [2018-12-09 17:21:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 17:21:50,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 17:21:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 248 states and 534 transitions. [2018-12-09 17:21:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 534 transitions. [2018-12-09 17:21:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 17:21:51,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 55 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 17:21:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 250 states and 539 transitions. [2018-12-09 17:21:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 539 transitions. [2018-12-09 17:21:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 17:21:51,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:21:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 17:21:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:21:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 93 states and 125 transitions. [2018-12-09 17:21:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2018-12-09 17:21:52,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:21:52,502 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2018-12-09 17:21:52,509 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 17:21:52,863 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,864 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,865 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-09 17:21:52,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,867 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-09 17:21:52,868 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 17:21:52,868 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 17:21:52,868 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-09 17:21:52,869 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,869 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:21:52,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:21:52 ImpRootNode [2018-12-09 17:21:52,869 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:21:52,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:21:52,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:21:52,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:21:52,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:30" (3/4) ... [2018-12-09 17:21:52,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:21:52,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 17:21:52,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 17:21:52,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 17:21:52,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 17:21:52,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 17:21:52,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 17:21:52,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-09 17:21:52,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 17:21:52,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 17:21:52,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 17:21:52,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:21:52,880 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:21:52,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) [2018-12-09 17:21:52,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-12-09 17:21:52,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) [2018-12-09 17:21:52,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methAndRunningLastTime || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(\old(pumpRunning) == 0) && !(0 == systemActive))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) [2018-12-09 17:21:52,915 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_060f787a-e57e-49d0-9c3d-ed342b5472f6/bin-2019/ukojak/witness.graphml [2018-12-09 17:21:52,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:21:52,916 INFO L168 Benchmark]: Toolchain (without parser) took 22885.46 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 488.6 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 382.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,916 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:21:52,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.11 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. [2018-12-09 17:21:52,917 INFO L168 Benchmark]: Boogie Preprocessor took 16.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,917 INFO L168 Benchmark]: RCFGBuilder took 492.21 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,917 INFO L168 Benchmark]: CodeCheck took 22014.30 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 375.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -42.6 MB). Peak memory consumption was 332.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,917 INFO L168 Benchmark]: Witness Printer took 45.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:21:52,918 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 7 procedures, 67 locations, 1 error locations. SAFE Result, 21.6s OverallTime, 55 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1514050728 SDtfs, -1823231636 SDslu, -1738296860 SDs, 0 SdLazy, 1826990122 SolverSat, 1066235006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29197 GetRequests, 28561 SyntacticMatches, 180 SemanticMatches, 456 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109645 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2481 NumberOfCodeBlocks, 2481 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2427 ConstructedInterpolants, 0 QuantifiedInterpolants, 285093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 28 PerfectInterpolantSequences, 1071/1263 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: 917]: 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: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((0 == methAndRunningLastTime || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(\old(pumpRunning) == 0) && !(0 == systemActive))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.11 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 16.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.21 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * CodeCheck took 22014.30 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 375.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -42.6 MB). Peak memory consumption was 332.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...