./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:46:06,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:46:06,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:46:06,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:46:06,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:46:06,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:46:06,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:46:06,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:46:06,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:46:06,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:46:06,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:46:06,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:46:06,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:46:06,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:46:06,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:46:06,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:46:06,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:46:06,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:46:06,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:46:06,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:46:06,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:46:06,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:46:06,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:46:06,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:46:06,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:46:06,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:46:06,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:46:06,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:46:06,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:46:06,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:46:06,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:46:06,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:46:06,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:46:06,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:46:06,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:46:06,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:46:06,487 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:46:06,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:46:06,498 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:46:06,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:46:06,498 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:46:06,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:46:06,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:46:06,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:46:06,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:46:06,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:46:06,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:46:06,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:46:06,500 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:46:06,500 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:46:06,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:46:06,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:46:06,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:46:06,501 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_3fea3f24-a1d9-420c-81eb-33aa6858b559/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2018-11-10 03:46:06,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:46:06,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:46:06,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:46:06,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:46:06,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:46:06,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:06,569 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/data/8ee84b326/4800bf4fd2274ac783befdcc5f4880e4/FLAG50b694215 [2018-11-10 03:46:07,021 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:46:07,022 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:07,031 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/data/8ee84b326/4800bf4fd2274ac783befdcc5f4880e4/FLAG50b694215 [2018-11-10 03:46:07,042 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/data/8ee84b326/4800bf4fd2274ac783befdcc5f4880e4 [2018-11-10 03:46:07,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:46:07,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:46:07,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:07,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:46:07,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:46:07,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07, skipping insertion in model container [2018-11-10 03:46:07,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:46:07,091 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:46:07,294 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:07,302 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:46:07,357 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:07,377 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:46:07,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07 WrapperNode [2018-11-10 03:46:07,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:07,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:07,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:46:07,379 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:46:07,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:07,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:46:07,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:46:07,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:46:07,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... [2018-11-10 03:46:07,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:46:07,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:46:07,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:46:07,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:46:07,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:46:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:46:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:46:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:46:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:46:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:46:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:46:08,409 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:46:08,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:08 BoogieIcfgContainer [2018-11-10 03:46:08,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:46:08,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:46:08,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:46:08,416 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:46:08,417 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:08" (1/1) ... [2018-11-10 03:46:08,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-10 03:46:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 03:46:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:46:08,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-10 03:46:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-10 03:46:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 03:46:08,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-10 03:46:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-10 03:46:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 03:46:08,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-11-10 03:46:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-11-10 03:46:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:46:09,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-11-10 03:46:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-11-10 03:46:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:46:09,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2018-11-10 03:46:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2018-11-10 03:46:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:46:09,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2018-11-10 03:46:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2018-11-10 03:46:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:46:09,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2018-11-10 03:46:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2018-11-10 03:46:09,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:46:09,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 137 transitions. [2018-11-10 03:46:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2018-11-10 03:46:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:46:09,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:46:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 150 transitions. [2018-11-10 03:46:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2018-11-10 03:46:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:46:09,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:46:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 146 transitions. [2018-11-10 03:46:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2018-11-10 03:46:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:46:10,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:46:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 99 states and 148 transitions. [2018-11-10 03:46:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-11-10 03:46:10,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:46:10,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:46:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 154 transitions. [2018-11-10 03:46:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-10 03:46:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 03:46:10,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 111 states and 174 transitions. [2018-11-10 03:46:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2018-11-10 03:46:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 03:46:11,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:46:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 127 states and 212 transitions. [2018-11-10 03:46:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-11-10 03:46:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 03:46:13,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:46:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 129 states and 217 transitions. [2018-11-10 03:46:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2018-11-10 03:46:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:46:13,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 245 transitions. [2018-11-10 03:46:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2018-11-10 03:46:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:46:14,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:46:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 249 transitions. [2018-11-10 03:46:15,366 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 249 transitions. [2018-11-10 03:46:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:46:15,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 147 states and 254 transitions. [2018-11-10 03:46:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2018-11-10 03:46:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 03:46:15,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 261 transitions. [2018-11-10 03:46:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-10 03:46:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:46:16,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:46:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 131 states and 204 transitions. [2018-11-10 03:46:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2018-11-10 03:46:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 03:46:16,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:46:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 133 states and 207 transitions. [2018-11-10 03:46:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2018-11-10 03:46:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:46:17,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:46:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 134 states and 208 transitions. [2018-11-10 03:46:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 208 transitions. [2018-11-10 03:46:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:46:17,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 03:46:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 151 states and 246 transitions. [2018-11-10 03:46:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-11-10 03:46:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:46:19,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 03:46:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 154 states and 249 transitions. [2018-11-10 03:46:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 249 transitions. [2018-11-10 03:46:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 03:46:19,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 03:46:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 162 states and 262 transitions. [2018-11-10 03:46:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2018-11-10 03:46:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 03:46:20,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:46:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 163 states and 263 transitions. [2018-11-10 03:46:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 263 transitions. [2018-11-10 03:46:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 03:46:20,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 03:46:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 157 states and 250 transitions. [2018-11-10 03:46:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 250 transitions. [2018-11-10 03:46:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 03:46:20,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:46:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 159 states and 255 transitions. [2018-11-10 03:46:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 255 transitions. [2018-11-10 03:46:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 03:46:21,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 03:46:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 161 states and 260 transitions. [2018-11-10 03:46:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2018-11-10 03:46:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 03:46:21,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 03:46:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 168 states and 271 transitions. [2018-11-10 03:46:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2018-11-10 03:46:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 03:46:22,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 03:46:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 169 states and 272 transitions. [2018-11-10 03:46:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2018-11-10 03:46:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 03:46:23,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 03:46:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 171 states and 275 transitions. [2018-11-10 03:46:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 275 transitions. [2018-11-10 03:46:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 03:46:23,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-10 03:46:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 172 states and 276 transitions. [2018-11-10 03:46:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 276 transitions. [2018-11-10 03:46:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 03:46:23,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-10 03:46:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 110 states and 158 transitions. [2018-11-10 03:46:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2018-11-10 03:46:23,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:46:23,293 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-10 03:46:23,302 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:46:23,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,522 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,525 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 03:46:23,526 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,526 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,526 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,526 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,526 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 03:46:23,527 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,527 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,527 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:23,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:46:23 ImpRootNode [2018-11-10 03:46:23,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:46:23,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:46:23,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:46:23,528 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:46:23,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:08" (3/4) ... [2018-11-10 03:46:23,531 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:46:23,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:46:23,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-11-10 03:46:23,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 03:46:23,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 03:46:23,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) [2018-11-10 03:46:23,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-10 03:46:23,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) [2018-11-10 03:46:23,604 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fea3f24-a1d9-420c-81eb-33aa6858b559/bin-2019/ukojak/witness.graphml [2018-11-10 03:46:23,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:46:23,605 INFO L168 Benchmark]: Toolchain (without parser) took 16559.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 959.3 MB in the beginning and 1.4 GB in the end (delta: -410.4 MB). Peak memory consumption was 463.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,606 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:46:23,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.86 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -200.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,606 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,607 INFO L168 Benchmark]: RCFGBuilder took 897.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,607 INFO L168 Benchmark]: CodeCheck took 15117.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.0 GB in the beginning and 836.4 MB in the end (delta: 195.0 MB). Peak memory consumption was 396.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,607 INFO L168 Benchmark]: Witness Printer took 76.58 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 48.2 MB). Free memory was 836.4 MB in the beginning and 1.4 GB in the end (delta: -533.2 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-11-10 03:46:23,608 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, 112 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1656347172 SDtfs, 1180834140 SDslu, -1277243716 SDs, 0 SdLazy, 139256540 SolverSat, -444369500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17321 GetRequests, 16770 SyntacticMatches, 243 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50103 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1803 NumberOfCodeBlocks, 1803 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1769 ConstructedInterpolants, 0 QuantifiedInterpolants, 247782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 1097/1330 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: 811]: 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: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.86 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -200.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 897.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * CodeCheck took 15117.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.0 GB in the beginning and 836.4 MB in the end (delta: 195.0 MB). Peak memory consumption was 396.9 MB. Max. memory is 11.5 GB. * Witness Printer took 76.58 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 48.2 MB). Free memory was 836.4 MB in the beginning and 1.4 GB in the end (delta: -533.2 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...