./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_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_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/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 f0335c6392c59c467837b14da92286fa43b99dfc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:21:38,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:21:38,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:21:38,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:21:38,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:21:38,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:21:38,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:21:38,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:21:38,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:21:38,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:21:38,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:21:38,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:21:38,454 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:21:38,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:21:38,455 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:21:38,456 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:21:38,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:21:38,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:21:38,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:21:38,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:21:38,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:21:38,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:21:38,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:21:38,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:21:38,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:21:38,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:21:38,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:21:38,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:21:38,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:21:38,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:21:38,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:21:38,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:21:38,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:21:38,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:21:38,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:21:38,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:21:38,467 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:21:38,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:21:38,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:21:38,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:21:38,480 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:21:38,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:21:38,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:21:38,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:21:38,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:21:38,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:21:38,482 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:21:38,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:21:38,483 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:21:38,483 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:21:38,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:21:38,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:21:38,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:21:38,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:21:38,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:21:38,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:21:38,484 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:21:38,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:21:38,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:21:38,484 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_ed0f4d37-774d-44fa-863f-174ef1b6060c/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-23 13:21:38,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:21:38,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:21:38,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:21:38,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:21:38,521 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:21:38,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-23 13:21:38,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/data/836ac1ea2/d2d021521ef242a9a16221bde52ebd1e/FLAG81cf75eb2 [2018-11-23 13:21:38,904 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:21:38,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-23 13:21:38,912 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/data/836ac1ea2/d2d021521ef242a9a16221bde52ebd1e/FLAG81cf75eb2 [2018-11-23 13:21:38,920 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/data/836ac1ea2/d2d021521ef242a9a16221bde52ebd1e [2018-11-23 13:21:38,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:21:38,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:21:38,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:21:38,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:21:38,928 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:21:38,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:38" (1/1) ... [2018-11-23 13:21:38,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:38, skipping insertion in model container [2018-11-23 13:21:38,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:38" (1/1) ... [2018-11-23 13:21:38,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:21:38,973 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:21:39,167 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:21:39,175 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:21:39,285 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:21:39,303 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:21:39,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39 WrapperNode [2018-11-23 13:21:39,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:21:39,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:21:39,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:21:39,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:21:39,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:21:39,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:21:39,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:21:39,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:21:39,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:21:39,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:21:39,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:21:39,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:21:39,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/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 13:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:21:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:21:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:21:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:21:39,896 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:21:39,896 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-11-23 13:21:39,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:39 BoogieIcfgContainer [2018-11-23 13:21:39,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:21:39,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:21:39,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:21:39,906 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:21:39,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:39" (1/1) ... [2018-11-23 13:21:39,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:21:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-11-23 13:21:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-11-23 13:21:39,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:21:39,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,094 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 13:21:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-23 13:21:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-23 13:21:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:21:40,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,164 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 13:21:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-11-23 13:21:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-11-23 13:21:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:21:40,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,277 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 13:21:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2018-11-23 13:21:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2018-11-23 13:21:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:21:40,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2018-11-23 13:21:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2018-11-23 13:21:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:21:40,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,610 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 13:21:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-11-23 13:21:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-11-23 13:21:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:21:40,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,648 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 13:21:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-11-23 13:21:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-11-23 13:21:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:21:40,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:40,801 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 13:21:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-11-23 13:21:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-11-23 13:21:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 13:21:41,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:41,248 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 13:21:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2018-11-23 13:21:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2018-11-23 13:21:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:21:41,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:41,575 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 13:21:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2018-11-23 13:21:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2018-11-23 13:21:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:21:41,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:41,706 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 13:21:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2018-11-23 13:21:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2018-11-23 13:21:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 13:21:41,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:41,793 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 13:21:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2018-11-23 13:21:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-11-23 13:21:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 13:21:41,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:41,977 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 13:21:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2018-11-23 13:21:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-11-23 13:21:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 13:21:41,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 184 transitions. [2018-11-23 13:21:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-11-23 13:21:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 13:21:42,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2018-11-23 13:21:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-11-23 13:21:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 13:21:42,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 188 transitions. [2018-11-23 13:21:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2018-11-23 13:21:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 13:21:42,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 191 transitions. [2018-11-23 13:21:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2018-11-23 13:21:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 13:21:42,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2018-11-23 13:21:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2018-11-23 13:21:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 13:21:42,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 207 transitions. [2018-11-23 13:21:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2018-11-23 13:21:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:21:42,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2018-11-23 13:21:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2018-11-23 13:21:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:21:42,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:21:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2018-11-23 13:21:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-11-23 13:21:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 13:21:42,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:21:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 248 transitions. [2018-11-23 13:21:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2018-11-23 13:21:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 13:21:43,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:21:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 255 transitions. [2018-11-23 13:21:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2018-11-23 13:21:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:21:44,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:21:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2018-11-23 13:21:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2018-11-23 13:21:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 13:21:45,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:21:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2018-11-23 13:21:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-11-23 13:21:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 13:21:45,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:21:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2018-11-23 13:21:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-11-23 13:21:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 13:21:45,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:21:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2018-11-23 13:21:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2018-11-23 13:21:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 13:21:45,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 13:21:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2018-11-23 13:21:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2018-11-23 13:21:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 13:21:46,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 13:21:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2018-11-23 13:21:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2018-11-23 13:21:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 13:21:46,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 13:21:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2018-11-23 13:21:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-11-23 13:21:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 13:21:46,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:21:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2018-11-23 13:21:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2018-11-23 13:21:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 13:21:46,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:21:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 195 transitions. [2018-11-23 13:21:46,625 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-11-23 13:21:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 13:21:46,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:21:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2018-11-23 13:21:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-11-23 13:21:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 13:21:46,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:21:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:21:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:21:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:21:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 70 states and 105 transitions. [2018-11-23 13:21:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-11-23 13:21:46,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:21:46,733 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-23 13:21:46,745 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:21:46,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,911 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,911 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 13:21:46,913 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,914 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,914 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,914 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,914 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 13:21:46,916 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,916 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,916 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:21:46,916 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 13:21:46,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:21:46 ImpRootNode [2018-11-23 13:21:46,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:21:46,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:21:46,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:21:46,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:21:46,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:39" (3/4) ... [2018-11-23 13:21:46,921 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:21:46,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:21:46,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:21:46,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:21:46,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:21:46,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:21:46,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:21:46,931 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-23 13:21:46,931 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 13:21:46,931 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 13:21:46,931 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 13:21:46,932 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:21:46,932 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:21:46,932 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:21:46,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) [2018-11-23 13:21:46,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-23 13:21:46,975 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed0f4d37-774d-44fa-863f-174ef1b6060c/bin-2019/ukojak/witness.graphml [2018-11-23 13:21:46,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:21:46,976 INFO L168 Benchmark]: Toolchain (without parser) took 8053.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -260.0 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:21:46,977 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:21:46,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:21:46,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.53 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 13:21:46,977 INFO L168 Benchmark]: Boogie Preprocessor took 20.18 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. [2018-11-23 13:21:46,977 INFO L168 Benchmark]: RCFGBuilder took 541.89 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:21:46,978 INFO L168 Benchmark]: CodeCheck took 7020.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.9 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:21:46,978 INFO L168 Benchmark]: Witness Printer took 58.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:21:46,980 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, 6.8s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -187110068 SDtfs, 1983197980 SDslu, 444732428 SDs, 0 SdLazy, 1370157340 SolverSat, 950813996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10418 GetRequests, 10088 SyntacticMatches, 146 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14698 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 983 ConstructedInterpolants, 0 QuantifiedInterpolants, 75358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 254/284 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: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel) && tmp == 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.53 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 20.18 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. * RCFGBuilder took 541.89 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * CodeCheck took 7020.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.9 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.10 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...