./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_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_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/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 c39001161d93972d05784cb6dbc5024ef34abe15 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:32:04,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:32:04,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:32:04,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:32:04,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:32:04,725 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:32:04,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:32:04,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:32:04,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:32:04,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:32:04,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:32:04,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:32:04,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:32:04,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:32:04,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:32:04,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:32:04,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:32:04,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:32:04,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:32:04,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:32:04,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:32:04,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:32:04,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:32:04,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:32:04,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:32:04,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:32:04,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:32:04,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:32:04,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:32:04,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:32:04,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:32:04,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:32:04,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:32:04,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:32:04,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:32:04,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:32:04,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 21:32:04,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:32:04,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:32:04,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 21:32:04,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:32:04,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:32:04,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:32:04,749 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 21:32:04,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:32:04,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 21:32:04,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:32:04,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:32:04,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:32:04,750 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 21:32:04,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:32:04,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:32:04,750 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_024c8e31-cca7-4368-ba74-ef6309956641/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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2018-12-02 21:32:04,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:32:04,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:32:04,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:32:04,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:32:04,777 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:32:04,778 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-12-02 21:32:04,816 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/data/e68176dcd/d173c1c9e8d8446aae0c5faaf52120ee/FLAG6612d45eb [2018-12-02 21:32:05,240 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:32:05,240 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-12-02 21:32:05,246 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/data/e68176dcd/d173c1c9e8d8446aae0c5faaf52120ee/FLAG6612d45eb [2018-12-02 21:32:05,254 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/data/e68176dcd/d173c1c9e8d8446aae0c5faaf52120ee [2018-12-02 21:32:05,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:32:05,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:32:05,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:32:05,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:32:05,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:32:05,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05, skipping insertion in model container [2018-12-02 21:32:05,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:32:05,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:32:05,427 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:32:05,474 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:32:05,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:32:05,549 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:32:05,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05 WrapperNode [2018-12-02 21:32:05,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:32:05,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:32:05,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:32:05,551 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:32:05,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:32:05,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:32:05,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:32:05,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:32:05,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... [2018-12-02 21:32:05,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:32:05,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:32:05,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:32:05,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:32:05,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/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 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 21:32:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 21:32:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 21:32:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 21:32:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 21:32:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 21:32:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:32:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:32:06,029 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:32:06,029 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 21:32:06,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:06 BoogieIcfgContainer [2018-12-02 21:32:06,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:32:06,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 21:32:06,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 21:32:06,037 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 21:32:06,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:06" (1/1) ... [2018-12-02 21:32:06,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:32:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2018-12-02 21:32:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2018-12-02 21:32:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 21:32:06,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,186 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 21:32:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-02 21:32:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-02 21:32:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 21:32:06,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,247 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 21:32:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2018-12-02 21:32:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-12-02 21:32:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:32:06,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,308 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 21:32:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2018-12-02 21:32:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2018-12-02 21:32:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 21:32:06,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,473 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 21:32:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2018-12-02 21:32:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2018-12-02 21:32:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:32:06,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,742 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 21:32:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2018-12-02 21:32:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2018-12-02 21:32:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:32:06,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,777 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 21:32:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2018-12-02 21:32:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2018-12-02 21:32:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:32:06,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,805 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 21:32:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2018-12-02 21:32:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2018-12-02 21:32:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 21:32:06,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,834 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 21:32:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-12-02 21:32:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-12-02 21:32:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 21:32:06,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,857 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 21:32:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2018-12-02 21:32:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2018-12-02 21:32:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 21:32:06,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:06,884 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 21:32:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2018-12-02 21:32:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2018-12-02 21:32:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 21:32:06,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,016 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 21:32:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 191 transitions. [2018-12-02 21:32:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2018-12-02 21:32:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 21:32:07,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,632 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 21:32:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2018-12-02 21:32:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2018-12-02 21:32:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 21:32:07,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,727 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 21:32:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2018-12-02 21:32:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2018-12-02 21:32:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 21:32:07,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,747 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 21:32:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 204 transitions. [2018-12-02 21:32:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2018-12-02 21:32:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 21:32:07,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 212 transitions. [2018-12-02 21:32:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-12-02 21:32:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 21:32:07,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 221 transitions. [2018-12-02 21:32:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2018-12-02 21:32:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 21:32:07,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 140 states and 247 transitions. [2018-12-02 21:32:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 247 transitions. [2018-12-02 21:32:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 21:32:08,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 243 transitions. [2018-12-02 21:32:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 243 transitions. [2018-12-02 21:32:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 21:32:08,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 21:32:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 141 states and 250 transitions. [2018-12-02 21:32:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2018-12-02 21:32:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 21:32:08,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 142 states and 251 transitions. [2018-12-02 21:32:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 251 transitions. [2018-12-02 21:32:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 21:32:09,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 149 states and 263 transitions. [2018-12-02 21:32:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 263 transitions. [2018-12-02 21:32:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 21:32:09,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 152 states and 270 transitions. [2018-12-02 21:32:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 270 transitions. [2018-12-02 21:32:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 21:32:09,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 153 states and 271 transitions. [2018-12-02 21:32:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 271 transitions. [2018-12-02 21:32:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 21:32:09,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 155 states and 272 transitions. [2018-12-02 21:32:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2018-12-02 21:32:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 21:32:09,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 279 transitions. [2018-12-02 21:32:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2018-12-02 21:32:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 21:32:09,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 159 states and 279 transitions. [2018-12-02 21:32:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2018-12-02 21:32:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 21:32:09,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 160 states and 280 transitions. [2018-12-02 21:32:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2018-12-02 21:32:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 21:32:09,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 177 states and 319 transitions. [2018-12-02 21:32:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 319 transitions. [2018-12-02 21:32:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 21:32:10,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 193 states and 356 transitions. [2018-12-02 21:32:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 356 transitions. [2018-12-02 21:32:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 21:32:11,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 195 states and 357 transitions. [2018-12-02 21:32:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 357 transitions. [2018-12-02 21:32:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 21:32:11,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 207 states and 379 transitions. [2018-12-02 21:32:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 379 transitions. [2018-12-02 21:32:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 21:32:12,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 219 states and 405 transitions. [2018-12-02 21:32:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 405 transitions. [2018-12-02 21:32:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 21:32:13,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 221 states and 407 transitions. [2018-12-02 21:32:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 407 transitions. [2018-12-02 21:32:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 21:32:13,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 222 states and 412 transitions. [2018-12-02 21:32:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 412 transitions. [2018-12-02 21:32:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 21:32:14,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 21:32:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 223 states and 412 transitions. [2018-12-02 21:32:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 412 transitions. [2018-12-02 21:32:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 21:32:14,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 224 states and 413 transitions. [2018-12-02 21:32:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 413 transitions. [2018-12-02 21:32:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 21:32:14,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 225 states and 414 transitions. [2018-12-02 21:32:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 414 transitions. [2018-12-02 21:32:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 21:32:14,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 226 states and 415 transitions. [2018-12-02 21:32:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 415 transitions. [2018-12-02 21:32:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 21:32:14,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:32:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 227 states and 416 transitions. [2018-12-02 21:32:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 416 transitions. [2018-12-02 21:32:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 21:32:14,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 21:32:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 228 states and 417 transitions. [2018-12-02 21:32:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 417 transitions. [2018-12-02 21:32:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:32:14,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 21:32:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 238 states and 444 transitions. [2018-12-02 21:32:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 444 transitions. [2018-12-02 21:32:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:32:15,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 21:32:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 246 states and 464 transitions. [2018-12-02 21:32:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 464 transitions. [2018-12-02 21:32:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 21:32:15,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 247 states and 465 transitions. [2018-12-02 21:32:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 465 transitions. [2018-12-02 21:32:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:32:15,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 248 states and 466 transitions. [2018-12-02 21:32:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 466 transitions. [2018-12-02 21:32:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:32:16,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 469 transitions. [2018-12-02 21:32:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 469 transitions. [2018-12-02 21:32:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:32:16,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 252 states and 472 transitions. [2018-12-02 21:32:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 472 transitions. [2018-12-02 21:32:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 21:32:16,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 21:32:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 264 states and 499 transitions. [2018-12-02 21:32:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 499 transitions. [2018-12-02 21:32:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 21:32:17,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 21:32:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 267 states and 503 transitions. [2018-12-02 21:32:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 503 transitions. [2018-12-02 21:32:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 21:32:17,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 269 states and 505 transitions. [2018-12-02 21:32:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 505 transitions. [2018-12-02 21:32:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:18,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 21:32:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 270 states and 506 transitions. [2018-12-02 21:32:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 506 transitions. [2018-12-02 21:32:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 21:32:18,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 21:32:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 271 states and 507 transitions. [2018-12-02 21:32:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 507 transitions. [2018-12-02 21:32:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 21:32:18,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 21:32:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 273 states and 509 transitions. [2018-12-02 21:32:18,402 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 509 transitions. [2018-12-02 21:32:18,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 21:32:18,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 277 states and 516 transitions. [2018-12-02 21:32:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 516 transitions. [2018-12-02 21:32:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 21:32:18,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 21:32:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 278 states and 518 transitions. [2018-12-02 21:32:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 518 transitions. [2018-12-02 21:32:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 21:32:18,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 21:32:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 279 states and 518 transitions. [2018-12-02 21:32:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 518 transitions. [2018-12-02 21:32:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:18,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 21:32:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 284 states and 528 transitions. [2018-12-02 21:32:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 528 transitions. [2018-12-02 21:32:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 21:32:18,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 282 states and 524 transitions. [2018-12-02 21:32:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 524 transitions. [2018-12-02 21:32:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 21:32:18,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 283 states and 527 transitions. [2018-12-02 21:32:19,067 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 527 transitions. [2018-12-02 21:32:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:19,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 21:32:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 284 states and 528 transitions. [2018-12-02 21:32:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 528 transitions. [2018-12-02 21:32:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 21:32:19,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 285 states and 528 transitions. [2018-12-02 21:32:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 528 transitions. [2018-12-02 21:32:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 21:32:19,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 287 states and 531 transitions. [2018-12-02 21:32:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 531 transitions. [2018-12-02 21:32:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:19,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 21:32:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 289 states and 533 transitions. [2018-12-02 21:32:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 533 transitions. [2018-12-02 21:32:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 21:32:19,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 21:32:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 287 states and 529 transitions. [2018-12-02 21:32:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 529 transitions. [2018-12-02 21:32:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 21:32:19,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 21:32:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 288 states and 531 transitions. [2018-12-02 21:32:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 531 transitions. [2018-12-02 21:32:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:19,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 21:32:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 289 states and 531 transitions. [2018-12-02 21:32:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 531 transitions. [2018-12-02 21:32:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 21:32:19,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 21:32:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 291 states and 535 transitions. [2018-12-02 21:32:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 535 transitions. [2018-12-02 21:32:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 21:32:19,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 21:32:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 293 states and 538 transitions. [2018-12-02 21:32:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 538 transitions. [2018-12-02 21:32:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 21:32:19,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 21:32:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 295 states and 541 transitions. [2018-12-02 21:32:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 541 transitions. [2018-12-02 21:32:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 21:32:19,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 21:32:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 286 states and 524 transitions. [2018-12-02 21:32:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 524 transitions. [2018-12-02 21:32:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 21:32:19,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:32:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 287 states and 524 transitions. [2018-12-02 21:32:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 524 transitions. [2018-12-02 21:32:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 21:32:19,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 21:32:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 288 states and 525 transitions. [2018-12-02 21:32:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 525 transitions. [2018-12-02 21:32:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 21:32:19,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 21:32:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 289 states and 526 transitions. [2018-12-02 21:32:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 526 transitions. [2018-12-02 21:32:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 21:32:19,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 21:32:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 278 states and 505 transitions. [2018-12-02 21:32:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 505 transitions. [2018-12-02 21:32:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 21:32:19,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 21:32:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 265 states and 481 transitions. [2018-12-02 21:32:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 481 transitions. [2018-12-02 21:32:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 21:32:19,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 21:32:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 267 states and 482 transitions. [2018-12-02 21:32:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 482 transitions. [2018-12-02 21:32:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 21:32:20,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 21:32:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 125 states and 180 transitions. [2018-12-02 21:32:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2018-12-02 21:32:20,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:32:20,428 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-02 21:32:20,435 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 21:32:20,637 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,639 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,639 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,639 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,642 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 21:32:20,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:32:20,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:32:20 ImpRootNode [2018-12-02 21:32:20,643 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 21:32:20,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:32:20,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:32:20,643 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:32:20,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:06" (3/4) ... [2018-12-02 21:32:20,646 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 21:32:20,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 21:32:20,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-12-02 21:32:20,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 21:32:20,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 21:32:20,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 21:32:20,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 21:32:20,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:32:20,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-02 21:32:20,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_024c8e31-cca7-4368-ba74-ef6309956641/bin-2019/ukojak/witness.graphml [2018-12-02 21:32:20,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:32:20,690 INFO L168 Benchmark]: Toolchain (without parser) took 15434.14 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 496.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 399.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:32:20,690 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: RCFGBuilder took 414.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: CodeCheck took 14613.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 346.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:32:20,691 INFO L168 Benchmark]: Witness Printer took 46.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:32:20,692 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 8 procedures, 73 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 404783664 SDtfs, 945202696 SDslu, 275708416 SDs, 0 SdLazy, 982789292 SolverSat, 286872528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39560 GetRequests, 38748 SyntacticMatches, 466 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63077 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3685 NumberOfCodeBlocks, 3685 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3609 ConstructedInterpolants, 0 QuantifiedInterpolants, 375974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 57 PerfectInterpolantSequences, 1539/1649 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: 391]: 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: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 414.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * CodeCheck took 14613.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 346.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...