./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:37:21,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:37:21,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:37:21,291 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:37:21,291 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:37:21,292 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:37:21,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:37:21,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:37:21,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:37:21,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:37:21,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:37:21,297 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:37:21,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:37:21,298 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:37:21,299 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:37:21,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:37:21,300 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:37:21,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:37:21,303 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:37:21,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:37:21,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:37:21,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:37:21,308 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:37:21,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:37:21,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:37:21,309 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:37:21,310 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:37:21,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:37:21,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:37:21,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:37:21,312 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:37:21,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:37:21,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:37:21,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:37:21,313 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:37:21,314 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:37:21,314 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:37:21,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:37:21,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:37:21,325 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:37:21,325 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:37:21,325 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:37:21,326 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:37:21,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:37:21,326 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:37:21,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:37:21,326 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:37:21,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:37:21,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:37:21,327 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:37:21,328 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:37:21,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:37:21,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:37:21,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:37:21,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:37:21,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:37:21,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:37:21,329 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:37:21,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:37:21,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:37:21,329 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_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-11-23 01:37:21,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:37:21,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:37:21,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:37:21,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:37:21,366 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:37:21,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-23 01:37:21,407 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/data/714ec7369/ca94bd4a99224da3bc9d98356767acd5/FLAGcda3ab9a6 [2018-11-23 01:37:21,773 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:37:21,774 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-23 01:37:21,783 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/data/714ec7369/ca94bd4a99224da3bc9d98356767acd5/FLAGcda3ab9a6 [2018-11-23 01:37:22,165 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/data/714ec7369/ca94bd4a99224da3bc9d98356767acd5 [2018-11-23 01:37:22,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:37:22,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:37:22,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:37:22,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:37:22,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:37:22,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666054be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22, skipping insertion in model container [2018-11-23 01:37:22,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:37:22,214 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:37:22,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:37:22,417 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:37:22,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:37:22,536 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:37:22,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22 WrapperNode [2018-11-23 01:37:22,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:37:22,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:37:22,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:37:22,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:37:22,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:37:22,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:37:22,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:37:22,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:37:22,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... [2018-11-23 01:37:22,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:37:22,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:37:22,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:37:22,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:37:22,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:37:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:37:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:37:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:37:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:37:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:37:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:37:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:37:23,200 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:37:23,200 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 01:37:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:23 BoogieIcfgContainer [2018-11-23 01:37:23,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:37:23,201 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:37:23,201 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:37:23,210 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:37:23,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:23" (1/1) ... [2018-11-23 01:37:23,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:37:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-11-23 01:37:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-11-23 01:37:23,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:37:23,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-23 01:37:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-23 01:37:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 01:37:23,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-11-23 01:37:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-11-23 01:37:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:37:23,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-23 01:37:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-23 01:37:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:37:23,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2018-11-23 01:37:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2018-11-23 01:37:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:37:24,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2018-11-23 01:37:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2018-11-23 01:37:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:37:24,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2018-11-23 01:37:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2018-11-23 01:37:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:37:24,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 115 transitions. [2018-11-23 01:37:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2018-11-23 01:37:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:37:24,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 96 states and 152 transitions. [2018-11-23 01:37:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2018-11-23 01:37:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 01:37:24,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 153 transitions. [2018-11-23 01:37:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-11-23 01:37:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:37:24,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 108 states and 176 transitions. [2018-11-23 01:37:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2018-11-23 01:37:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:37:25,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 188 transitions. [2018-11-23 01:37:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2018-11-23 01:37:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:37:25,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 189 transitions. [2018-11-23 01:37:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2018-11-23 01:37:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 01:37:25,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 205 transitions. [2018-11-23 01:37:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2018-11-23 01:37:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:37:26,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 201 transitions. [2018-11-23 01:37:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2018-11-23 01:37:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:37:26,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:37:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2018-11-23 01:37:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2018-11-23 01:37:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:37:26,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:37:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 191 transitions. [2018-11-23 01:37:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2018-11-23 01:37:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 01:37:27,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:37:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 114 states and 195 transitions. [2018-11-23 01:37:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2018-11-23 01:37:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:37:27,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:37:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 125 states and 226 transitions. [2018-11-23 01:37:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2018-11-23 01:37:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:37:28,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:37:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 130 states and 234 transitions. [2018-11-23 01:37:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 234 transitions. [2018-11-23 01:37:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:37:28,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:37:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 132 states and 235 transitions. [2018-11-23 01:37:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 235 transitions. [2018-11-23 01:37:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:37:28,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:37:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 133 states and 236 transitions. [2018-11-23 01:37:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 236 transitions. [2018-11-23 01:37:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:37:28,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 135 states and 240 transitions. [2018-11-23 01:37:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 240 transitions. [2018-11-23 01:37:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:37:29,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 137 states and 242 transitions. [2018-11-23 01:37:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2018-11-23 01:37:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:37:29,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 144 states and 264 transitions. [2018-11-23 01:37:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 264 transitions. [2018-11-23 01:37:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:37:29,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:37:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 153 states and 291 transitions. [2018-11-23 01:37:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 291 transitions. [2018-11-23 01:37:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:37:30,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 155 states and 292 transitions. [2018-11-23 01:37:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2018-11-23 01:37:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:37:30,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 158 states and 299 transitions. [2018-11-23 01:37:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2018-11-23 01:37:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 01:37:31,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:37:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 161 states and 304 transitions. [2018-11-23 01:37:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 304 transitions. [2018-11-23 01:37:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 01:37:31,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:37:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 116 states and 184 transitions. [2018-11-23 01:37:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2018-11-23 01:37:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:37:32,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:37:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 118 states and 187 transitions. [2018-11-23 01:37:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2018-11-23 01:37:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 01:37:32,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 01:37:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 119 states and 188 transitions. [2018-11-23 01:37:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2018-11-23 01:37:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 01:37:32,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:37:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 60 states and 72 transitions. [2018-11-23 01:37:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2018-11-23 01:37:32,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:37:32,189 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-23 01:37:32,197 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:37:32,424 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,426 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,426 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,426 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,427 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 01:37:32,429 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 01:37:32,430 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,430 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,431 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,431 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,431 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:37:32,431 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:32,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:37:32 ImpRootNode [2018-11-23 01:37:32,432 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:37:32,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:37:32,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:37:32,432 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:37:32,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:23" (3/4) ... [2018-11-23 01:37:32,436 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:37:32,441 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:37:32,441 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:37:32,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:37:32,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:37:32,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:37:32,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:37:32,445 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 01:37:32,446 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 01:37:32,446 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 01:37:32,446 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:37:32,446 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:37:32,447 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:37:32,447 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:37:32,464 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == 0 || !(0 == pumpRunning)) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-11-23 01:37:32,490 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bcd0ca6-577b-4942-a148-a0849a7bd2f2/bin-2019/ukojak/witness.graphml [2018-11-23 01:37:32,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:37:32,491 INFO L168 Benchmark]: Toolchain (without parser) took 10322.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 366.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 218.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:32,491 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:37:32,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:32,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:37:32,492 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:37:32,492 INFO L168 Benchmark]: RCFGBuilder took 601.20 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:32,492 INFO L168 Benchmark]: CodeCheck took 9230.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 172.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:32,493 INFO L168 Benchmark]: Witness Printer took 58.01 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:32,494 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, 66 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1399565980 SDtfs, 1313854508 SDslu, -1855100068 SDs, 0 SdLazy, -1077417892 SolverSat, -2135622604 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13074 GetRequests, 12775 SyntacticMatches, 57 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26003 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1293 NumberOfCodeBlocks, 1293 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1261 ConstructedInterpolants, 0 QuantifiedInterpolants, 104177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 419/435 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: 510]: 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: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((systemActive == 0 || !(0 == pumpRunning)) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.79 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 601.20 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * CodeCheck took 9230.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 172.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.01 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...