./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_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_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:14:28,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:14:28,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:14:28,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:14:28,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:14:28,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:14:28,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:14:28,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:14:28,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:14:28,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:14:28,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:14:28,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:14:28,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:14:28,347 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:14:28,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:14:28,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:14:28,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:14:28,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:14:28,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:14:28,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:14:28,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:14:28,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:14:28,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:14:28,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:14:28,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:14:28,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:14:28,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:14:28,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:14:28,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:14:28,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:14:28,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:14:28,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:14:28,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:14:28,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:14:28,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:14:28,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:14:28,358 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:14:28,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:14:28,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:14:28,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:14:28,366 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:14:28,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:14:28,366 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:14:28,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:14:28,367 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:14:28,368 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:14:28,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:14:28,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:14:28,368 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:14:28,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:14:28,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:14:28,369 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_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-12-09 04:14:28,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:14:28,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:14:28,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:14:28,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:14:28,399 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:14:28,399 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-09 04:14:28,439 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/data/f5965b0f6/0d087d53a2304ae08be9c0fb6bc3a37c/FLAG9abf56c8e [2018-12-09 04:14:28,847 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:14:28,847 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-09 04:14:28,854 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/data/f5965b0f6/0d087d53a2304ae08be9c0fb6bc3a37c/FLAG9abf56c8e [2018-12-09 04:14:28,861 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/data/f5965b0f6/0d087d53a2304ae08be9c0fb6bc3a37c [2018-12-09 04:14:28,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:14:28,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:14:28,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:28,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:14:28,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:14:28,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:28" (1/1) ... [2018-12-09 04:14:28,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:28, skipping insertion in model container [2018-12-09 04:14:28,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:14:28" (1/1) ... [2018-12-09 04:14:28,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:14:28,892 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:14:29,038 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:29,084 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:14:29,123 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:14:29,138 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:14:29,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29 WrapperNode [2018-12-09 04:14:29,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:14:29,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:29,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:14:29,139 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:14:29,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:14:29,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:14:29,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:14:29,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:14:29,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:14:29,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:14:29,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:14:29,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:14:29,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:14:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/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 04:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:14:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 04:14:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 04:14:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:14:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:14:29,594 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:14:29,594 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 04:14:29,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:29 BoogieIcfgContainer [2018-12-09 04:14:29,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:14:29,595 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:14:29,595 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:14:29,604 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:14:29,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:29" (1/1) ... [2018-12-09 04:14:29,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:14:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-09 04:14:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-09 04:14:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:14:29,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:29,769 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 04:14:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-09 04:14:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-09 04:14:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 04:14:29,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:29,823 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 04:14:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-09 04:14:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-09 04:14:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 04:14:29,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:29,903 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 04:14:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-09 04:14:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-09 04:14:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 04:14:29,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:29,995 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 04:14:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2018-12-09 04:14:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2018-12-09 04:14:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 04:14:30,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,197 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 04:14:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2018-12-09 04:14:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2018-12-09 04:14:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 04:14:30,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,519 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 04:14:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2018-12-09 04:14:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2018-12-09 04:14:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 04:14:30,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,547 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 04:14:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-12-09 04:14:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-12-09 04:14:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 04:14:30,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,581 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 04:14:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2018-12-09 04:14:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2018-12-09 04:14:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 04:14:30,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,611 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 04:14:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2018-12-09 04:14:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2018-12-09 04:14:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 04:14:30,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,638 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 04:14:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2018-12-09 04:14:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2018-12-09 04:14:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 04:14:30,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,695 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 04:14:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2018-12-09 04:14:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-12-09 04:14:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 04:14:30,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:30,962 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 04:14:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2018-12-09 04:14:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2018-12-09 04:14:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 04:14:31,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:31,130 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 04:14:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2018-12-09 04:14:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-12-09 04:14:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 04:14:31,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:31,363 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 04:14:31,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2018-12-09 04:14:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2018-12-09 04:14:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 04:14:31,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:31,995 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 04:14:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 177 transitions. [2018-12-09 04:14:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-12-09 04:14:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 04:14:32,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:32,175 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 04:14:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2018-12-09 04:14:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-12-09 04:14:32,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 04:14:32,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 04:14:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 246 transitions. [2018-12-09 04:14:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2018-12-09 04:14:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 04:14:33,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:33,286 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 04:14:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 133 states and 247 transitions. [2018-12-09 04:14:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-12-09 04:14:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 04:14:33,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:33,313 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 04:14:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2018-12-09 04:14:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2018-12-09 04:14:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 04:14:33,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 04:14:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 143 states and 275 transitions. [2018-12-09 04:14:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2018-12-09 04:14:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 04:14:34,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 04:14:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 144 states and 276 transitions. [2018-12-09 04:14:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 276 transitions. [2018-12-09 04:14:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 04:14:34,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 04:14:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2018-12-09 04:14:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2018-12-09 04:14:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 04:14:34,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 04:14:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2018-12-09 04:14:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2018-12-09 04:14:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 04:14:34,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 04:14:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2018-12-09 04:14:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2018-12-09 04:14:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 04:14:35,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 04:14:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 144 states and 270 transitions. [2018-12-09 04:14:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 270 transitions. [2018-12-09 04:14:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 04:14:35,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 04:14:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2018-12-09 04:14:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2018-12-09 04:14:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 04:14:35,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 04:14:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2018-12-09 04:14:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-12-09 04:14:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 04:14:36,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 04:14:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2018-12-09 04:14:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2018-12-09 04:14:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 04:14:36,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,107 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 04:14:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2018-12-09 04:14:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2018-12-09 04:14:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 04:14:36,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 04:14:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2018-12-09 04:14:36,527 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2018-12-09 04:14:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 04:14:36,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,549 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 04:14:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 153 states and 283 transitions. [2018-12-09 04:14:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2018-12-09 04:14:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 04:14:36,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,590 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 04:14:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2018-12-09 04:14:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2018-12-09 04:14:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 04:14:36,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,644 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 04:14:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2018-12-09 04:14:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2018-12-09 04:14:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 04:14:36,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 04:14:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2018-12-09 04:14:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2018-12-09 04:14:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 04:14:37,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:14:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:14:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 04:14:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:14:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2018-12-09 04:14:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-09 04:14:38,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:14:38,105 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-12-09 04:14:38,111 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:14:38,291 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,293 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,297 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 04:14:38,298 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:14:38,298 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 04:14:38,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:14:38 ImpRootNode [2018-12-09 04:14:38,299 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:14:38,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:14:38,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:14:38,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:14:38,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:14:29" (3/4) ... [2018-12-09 04:14:38,302 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 04:14:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 04:14:38,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-09 04:14:38,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-09 04:14:38,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 04:14:38,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 04:14:38,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:14:38,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:14:38,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-09 04:14:38,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-12-09 04:14:38,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-12-09 04:14:38,355 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ac3a4a4-e0fd-4af9-b028-c2bf741fa33f/bin-2019/ukojak/witness.graphml [2018-12-09 04:14:38,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:14:38,356 INFO L168 Benchmark]: Toolchain (without parser) took 9492.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 347.1 MB). Free memory was 956.0 MB in the beginning and 772.5 MB in the end (delta: 183.5 MB). Peak memory consumption was 530.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,356 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.80 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: RCFGBuilder took 406.59 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: CodeCheck took 8703.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 781.5 MB in the end (delta: 259.7 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,357 INFO L168 Benchmark]: Witness Printer took 56.11 ms. Allocated memory is still 1.4 GB. Free memory was 781.5 MB in the beginning and 772.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:14:38,358 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, 8.4s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1448167472 SDtfs, -723670062 SDslu, -282909988 SDs, 0 SdLazy, -1456601310 SolverSat, 446469472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15888 GetRequests, 15488 SyntacticMatches, 166 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24082 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1554 ConstructedInterpolants, 0 QuantifiedInterpolants, 161226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 683/754 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: 518]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.80 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 406.59 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * CodeCheck took 8703.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 781.5 MB in the end (delta: 259.7 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. * Witness Printer took 56.11 ms. Allocated memory is still 1.4 GB. Free memory was 781.5 MB in the beginning and 772.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...