./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:12:39,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:12:39,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:12:39,355 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:12:39,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:12:39,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:12:39,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:12:39,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:12:39,360 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:12:39,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:12:39,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:12:39,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:12:39,362 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:12:39,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:12:39,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:12:39,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:12:39,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:12:39,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:12:39,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:12:39,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:12:39,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:12:39,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:12:39,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:12:39,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:12:39,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:12:39,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:12:39,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:12:39,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:12:39,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:12:39,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:12:39,375 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:12:39,375 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:12:39,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:12:39,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:12:39,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:12:39,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:12:39,377 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 17:12:39,386 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:12:39,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:12:39,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:12:39,387 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 17:12:39,388 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:12:39,388 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:12:39,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:12:39,388 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:12:39,388 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:12:39,388 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:12:39,389 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:12:39,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:12:39,390 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 17:12:39,390 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 17:12:39,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:12:39,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:12:39,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 17:12:39,391 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:12:39,391 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:12:39,391 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:12:39,391 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 17:12:39,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:12:39,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:12:39,391 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_04d13947-bb23-48a5-9387-8cb46cb68e90/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-12-02 17:12:39,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:12:39,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:12:39,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:12:39,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:12:39,428 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:12:39,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-12-02 17:12:39,464 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/data/701069505/b02d405ce90f4fe5b2bef243189917d7/FLAG65080447a [2018-12-02 17:12:39,866 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:12:39,866 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-12-02 17:12:39,872 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/data/701069505/b02d405ce90f4fe5b2bef243189917d7/FLAG65080447a [2018-12-02 17:12:39,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/data/701069505/b02d405ce90f4fe5b2bef243189917d7 [2018-12-02 17:12:39,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:12:39,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:12:39,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:12:39,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:12:39,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:12:39,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:39" (1/1) ... [2018-12-02 17:12:39,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396438e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:39, skipping insertion in model container [2018-12-02 17:12:39,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:39" (1/1) ... [2018-12-02 17:12:39,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:12:39,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:12:40,114 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:12:40,125 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:12:40,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:12:40,206 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:12:40,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40 WrapperNode [2018-12-02 17:12:40,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:12:40,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:12:40,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:12:40,208 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:12:40,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:12:40,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:12:40,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:12:40,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:12:40,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:12:40,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:12:40,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:12:40,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:12:40,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/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 [2018-12-02 17:12:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:12:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:12:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:12:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:12:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:12:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:12:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:12:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:12:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:12:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:12:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:12:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 17:12:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 17:12:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:12:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:12:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:12:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:12:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:12:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:12:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:12:40,700 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:12:40,700 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 17:12:40,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:40 BoogieIcfgContainer [2018-12-02 17:12:40,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:12:40,701 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 17:12:40,701 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 17:12:40,711 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 17:12:40,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:40" (1/1) ... [2018-12-02 17:12:40,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2018-12-02 17:12:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2018-12-02 17:12:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 17:12:40,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2018-12-02 17:12:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2018-12-02 17:12:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 17:12:40,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-12-02 17:12:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-02 17:12:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 17:12:40,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2018-12-02 17:12:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-12-02 17:12:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 17:12:41,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2018-12-02 17:12:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2018-12-02 17:12:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 17:12:41,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2018-12-02 17:12:41,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2018-12-02 17:12:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 17:12:41,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2018-12-02 17:12:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2018-12-02 17:12:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 17:12:41,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2018-12-02 17:12:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-12-02 17:12:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:12:41,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2018-12-02 17:12:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2018-12-02 17:12:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:12:41,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2018-12-02 17:12:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2018-12-02 17:12:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:12:41,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2018-12-02 17:12:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2018-12-02 17:12:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 17:12:41,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2018-12-02 17:12:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2018-12-02 17:12:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 17:12:42,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-12-02 17:12:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-12-02 17:12:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 17:12:42,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 210 transitions. [2018-12-02 17:12:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2018-12-02 17:12:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:12:42,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2018-12-02 17:12:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2018-12-02 17:12:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:12:42,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 216 transitions. [2018-12-02 17:12:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2018-12-02 17:12:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:12:42,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 210 transitions. [2018-12-02 17:12:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2018-12-02 17:12:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:12:42,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 235 transitions. [2018-12-02 17:12:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2018-12-02 17:12:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:12:42,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 247 transitions. [2018-12-02 17:12:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2018-12-02 17:12:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:12:43,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 248 transitions. [2018-12-02 17:12:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-12-02 17:12:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:12:43,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 249 transitions. [2018-12-02 17:12:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2018-12-02 17:12:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:12:43,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 250 transitions. [2018-12-02 17:12:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2018-12-02 17:12:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:12:43,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:12:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 151 states and 295 transitions. [2018-12-02 17:12:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2018-12-02 17:12:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 17:12:43,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:12:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 297 transitions. [2018-12-02 17:12:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2018-12-02 17:12:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 17:12:43,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:12:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 154 states and 297 transitions. [2018-12-02 17:12:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2018-12-02 17:12:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 17:12:43,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:44,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 162 states and 326 transitions. [2018-12-02 17:12:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2018-12-02 17:12:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:12:44,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:12:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 327 transitions. [2018-12-02 17:12:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2018-12-02 17:12:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:12:44,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:12:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 328 transitions. [2018-12-02 17:12:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 328 transitions. [2018-12-02 17:12:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 17:12:44,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:12:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 325 transitions. [2018-12-02 17:12:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2018-12-02 17:12:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:12:45,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 179 states and 364 transitions. [2018-12-02 17:12:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 364 transitions. [2018-12-02 17:12:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 17:12:46,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 180 states and 365 transitions. [2018-12-02 17:12:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 365 transitions. [2018-12-02 17:12:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 17:12:46,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 181 states and 366 transitions. [2018-12-02 17:12:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 366 transitions. [2018-12-02 17:12:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 17:12:46,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 367 transitions. [2018-12-02 17:12:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 367 transitions. [2018-12-02 17:12:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 17:12:46,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:12:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 186 states and 379 transitions. [2018-12-02 17:12:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 379 transitions. [2018-12-02 17:12:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:12:47,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:12:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 190 states and 383 transitions. [2018-12-02 17:12:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 383 transitions. [2018-12-02 17:12:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 17:12:47,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:12:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 194 states and 391 transitions. [2018-12-02 17:12:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 391 transitions. [2018-12-02 17:12:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:12:47,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:12:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 196 states and 399 transitions. [2018-12-02 17:12:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 399 transitions. [2018-12-02 17:12:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:12:47,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 198 states and 399 transitions. [2018-12-02 17:12:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 399 transitions. [2018-12-02 17:12:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 17:12:48,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 17:12:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 199 states and 400 transitions. [2018-12-02 17:12:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 400 transitions. [2018-12-02 17:12:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:12:48,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 201 states and 402 transitions. [2018-12-02 17:12:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 402 transitions. [2018-12-02 17:12:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:12:48,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:12:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 199 states and 398 transitions. [2018-12-02 17:12:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 398 transitions. [2018-12-02 17:12:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:12:48,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:12:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 196 states and 390 transitions. [2018-12-02 17:12:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 390 transitions. [2018-12-02 17:12:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:12:48,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 201 states and 400 transitions. [2018-12-02 17:12:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 400 transitions. [2018-12-02 17:12:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:12:49,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 203 states and 401 transitions. [2018-12-02 17:12:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 401 transitions. [2018-12-02 17:12:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 17:12:49,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 206 states and 410 transitions. [2018-12-02 17:12:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 410 transitions. [2018-12-02 17:12:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 17:12:49,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 207 states and 411 transitions. [2018-12-02 17:12:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 411 transitions. [2018-12-02 17:12:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 17:12:49,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:12:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 210 states and 417 transitions. [2018-12-02 17:12:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 417 transitions. [2018-12-02 17:12:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 17:12:49,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:12:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 195 states and 388 transitions. [2018-12-02 17:12:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 388 transitions. [2018-12-02 17:12:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 17:12:49,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:12:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 195 states and 385 transitions. [2018-12-02 17:12:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 385 transitions. [2018-12-02 17:12:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:12:49,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:12:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 193 states and 374 transitions. [2018-12-02 17:12:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 374 transitions. [2018-12-02 17:12:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:12:50,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 17:12:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 203 states and 412 transitions. [2018-12-02 17:12:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 412 transitions. [2018-12-02 17:12:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 17:12:51,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:12:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 17:12:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:12:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 122 states and 200 transitions. [2018-12-02 17:12:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2018-12-02 17:12:52,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:12:52,091 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-12-02 17:12:52,101 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 17:12:52,349 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,352 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,352 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,352 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 17:12:52,355 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,355 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 17:12:52,356 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,356 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:12:52,357 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 17:12:52,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:12:52 ImpRootNode [2018-12-02 17:12:52,358 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 17:12:52,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:12:52,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:12:52,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:12:52,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:40" (3/4) ... [2018-12-02 17:12:52,362 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:12:52,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 17:12:52,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:12:52,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 17:12:52,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-12-02 17:12:52,373 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 17:12:52,373 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 17:12:52,373 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:12:52,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:12:52,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:12:52,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) [2018-12-02 17:12:52,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-02 17:12:52,423 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04d13947-bb23-48a5-9387-8cb46cb68e90/bin-2019/ukojak/witness.graphml [2018-12-02 17:12:52,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:12:52,424 INFO L168 Benchmark]: Toolchain (without parser) took 12541.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 950.6 MB in the beginning and 944.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 312.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,424 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:12:52,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,425 INFO L168 Benchmark]: Boogie Preprocessor took 19.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:12:52,425 INFO L168 Benchmark]: RCFGBuilder took 433.78 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,425 INFO L168 Benchmark]: CodeCheck took 11656.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.3 MB). Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 79.5 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,426 INFO L168 Benchmark]: Witness Printer took 65.08 ms. Allocated memory is still 1.3 GB. Free memory was 945.1 MB in the beginning and 944.9 MB in the end (delta: 242.7 kB). Peak memory consumption was 242.7 kB. Max. memory is 11.5 GB. [2018-12-02 17:12:52,427 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 11.3s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 779104944 SDtfs, -403539828 SDslu, -1153455376 SDs, 0 SdLazy, -566541172 SolverSat, -1369585780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22793 GetRequests, 22250 SyntacticMatches, 244 SemanticMatches, 299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47381 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1940 NumberOfCodeBlocks, 1940 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1889 ConstructedInterpolants, 0 QuantifiedInterpolants, 189196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 636/685 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: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.78 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11656.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.3 MB). Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 79.5 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.08 ms. Allocated memory is still 1.3 GB. Free memory was 945.1 MB in the beginning and 944.9 MB in the end (delta: 242.7 kB). Peak memory consumption was 242.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...