./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/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_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/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 0.1.23-635dfa2 [2018-12-09 15:33:24,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:33:24,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:33:24,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:33:24,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:33:24,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:33:24,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:33:24,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:33:24,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:33:24,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:33:24,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:33:24,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:33:24,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:33:24,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:33:24,414 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:33:24,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:33:24,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:33:24,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:33:24,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:33:24,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:33:24,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:33:24,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:33:24,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:33:24,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:33:24,419 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:33:24,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:33:24,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:33:24,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:33:24,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:33:24,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:33:24,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:33:24,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:33:24,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:33:24,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:33:24,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:33:24,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:33:24,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:33:24,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:33:24,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:33:24,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:33:24,431 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:33:24,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:33:24,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:33:24,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:33:24,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:33:24,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:33:24,432 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:33:24,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:33:24,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:33:24,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:33:24,433 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_55b6f0de-43dd-450d-b335-e4479f239e13/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 [2018-12-09 15:33:24,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:33:24,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:33:24,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:33:24,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:33:24,463 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:33:24,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-09 15:33:24,500 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/data/ee687c45b/12d4b3c6f4c94af5897f5006035fffeb/FLAG02c93d0b4 [2018-12-09 15:33:24,943 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:33:24,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-09 15:33:24,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/data/ee687c45b/12d4b3c6f4c94af5897f5006035fffeb/FLAG02c93d0b4 [2018-12-09 15:33:24,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/data/ee687c45b/12d4b3c6f4c94af5897f5006035fffeb [2018-12-09 15:33:24,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:33:24,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:33:24,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:33:24,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:33:24,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:33:24,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:33:24" (1/1) ... [2018-12-09 15:33:24,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:24, skipping insertion in model container [2018-12-09 15:33:24,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:33:24" (1/1) ... [2018-12-09 15:33:24,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:33:24,988 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:33:25,130 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:33:25,138 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:33:25,216 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:33:25,230 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:33:25,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25 WrapperNode [2018-12-09 15:33:25,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:33:25,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:33:25,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:33:25,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:33:25,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:33:25,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:33:25,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:33:25,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:33:25,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:33:25,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:33:25,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:33:25,281 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:33:25,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:33:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:33:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:33:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:33:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:33:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:33:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:33:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:33:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:33:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:33:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:33:25,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:33:25,696 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 15:33:25,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:33:25 BoogieIcfgContainer [2018-12-09 15:33:25,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:33:25,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:33:25,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:33:25,704 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:33:25,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:33:25" (1/1) ... [2018-12-09 15:33:25,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:33:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-09 15:33:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-09 15:33:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:33:25,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-09 15:33:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-09 15:33:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 15:33:25,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-09 15:33:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-09 15:33:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 15:33:25,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2018-12-09 15:33:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2018-12-09 15:33:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 15:33:26,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2018-12-09 15:33:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2018-12-09 15:33:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 15:33:26,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-12-09 15:33:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-12-09 15:33:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 15:33:26,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-12-09 15:33:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-12-09 15:33:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 15:33:26,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-12-09 15:33:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-12-09 15:33:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 15:33:26,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2018-12-09 15:33:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2018-12-09 15:33:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:33:26,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2018-12-09 15:33:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2018-12-09 15:33:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 15:33:27,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2018-12-09 15:33:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2018-12-09 15:33:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:33:27,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2018-12-09 15:33:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-12-09 15:33:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 15:33:27,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2018-12-09 15:33:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-09 15:33:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 15:33:27,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 184 transitions. [2018-12-09 15:33:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-09 15:33:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 15:33:27,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2018-12-09 15:33:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-12-09 15:33:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 15:33:27,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 188 transitions. [2018-12-09 15:33:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2018-12-09 15:33:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 15:33:27,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 191 transitions. [2018-12-09 15:33:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2018-12-09 15:33:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 15:33:27,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2018-12-09 15:33:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2018-12-09 15:33:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 15:33:27,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 207 transitions. [2018-12-09 15:33:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2018-12-09 15:33:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 15:33:27,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2018-12-09 15:33:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2018-12-09 15:33:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 15:33:28,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:33:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2018-12-09 15:33:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-12-09 15:33:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 15:33:28,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:33:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 248 transitions. [2018-12-09 15:33:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2018-12-09 15:33:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 15:33:28,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:33:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 255 transitions. [2018-12-09 15:33:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2018-12-09 15:33:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 15:33:28,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:33:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2018-12-09 15:33:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2018-12-09 15:33:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 15:33:30,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:33:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2018-12-09 15:33:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-12-09 15:33:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 15:33:30,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:33:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2018-12-09 15:33:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-12-09 15:33:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 15:33:30,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:33:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2018-12-09 15:33:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2018-12-09 15:33:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 15:33:30,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:33:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2018-12-09 15:33:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2018-12-09 15:33:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 15:33:30,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:33:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2018-12-09 15:33:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2018-12-09 15:33:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 15:33:31,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:33:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2018-12-09 15:33:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-12-09 15:33:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 15:33:31,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:33:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2018-12-09 15:33:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2018-12-09 15:33:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 15:33:31,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 15:33:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 195 transitions. [2018-12-09 15:33:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-12-09 15:33:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 15:33:31,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:33:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2018-12-09 15:33:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-12-09 15:33:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 15:33:31,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:33:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:33:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:33:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:33:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 70 states and 105 transitions. [2018-12-09 15:33:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-12-09 15:33:31,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:33:31,417 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-09 15:33:31,423 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 15:33:31,577 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,579 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,579 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,579 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,582 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,583 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:33:31,583 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 15:33:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:33:31 ImpRootNode [2018-12-09 15:33:31,583 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:33:31,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:33:31,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:33:31,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:33:31,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:33:25" (3/4) ... [2018-12-09 15:33:31,587 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 15:33:31,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 15:33:31,593 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-09 15:33:31,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 15:33:31,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 15:33:31,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 15:33:31,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:33:31,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:33:31,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) [2018-12-09 15:33:31,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-12-09 15:33:31,628 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55b6f0de-43dd-450d-b335-e4479f239e13/bin-2019/ukojak/witness.graphml [2018-12-09 15:33:31,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:33:31,629 INFO L168 Benchmark]: Toolchain (without parser) took 6669.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 951.7 MB in the beginning and 843.8 MB in the end (delta: 107.9 MB). Peak memory consumption was 303.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,629 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: Boogie Preprocessor took 18.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: RCFGBuilder took 415.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: CodeCheck took 5886.93 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 183.0 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,630 INFO L168 Benchmark]: Witness Printer took 44.56 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 843.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:33:31,631 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, 5.7s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -187110068 SDtfs, 2067084124 SDslu, 646059020 SDs, 0 SdLazy, 1747644380 SolverSat, 992757036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10426 GetRequests, 10098 SyntacticMatches, 144 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14691 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 75465 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 415.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. * CodeCheck took 5886.93 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 183.0 MB). Peak memory consumption was 268.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.56 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 843.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...