./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/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 eee003d188141d192a4a75bb282a26c7c76ed342 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:05:56,758 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:05:56,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:05:56,767 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:05:56,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:05:56,768 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:05:56,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:05:56,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:05:56,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:05:56,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:05:56,772 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:05:56,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:05:56,773 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:05:56,774 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:05:56,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:05:56,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:05:56,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:05:56,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:05:56,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:05:56,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:05:56,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:05:56,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:05:56,782 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:05:56,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:05:56,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:05:56,783 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:05:56,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:05:56,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:05:56,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:05:56,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:05:56,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:05:56,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:05:56,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:05:56,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:05:56,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:05:56,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:05:56,786 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:05:56,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:05:56,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:05:56,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:05:56,795 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:05:56,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:05:56,796 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:05:56,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:05:56,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:05:56,796 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:05:56,797 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:05:56,798 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:05:56,798 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:05:56,798 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:05:56,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:05:56,798 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:05:56,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:05:56,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:05:56,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:05:56,799 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:05:56,799 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:05:56,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:05:56,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:05:56,799 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_2609113c-8887-488c-aca0-9d8032860f0a/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 -> eee003d188141d192a4a75bb282a26c7c76ed342 [2018-11-23 15:05:56,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:05:56,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:05:56,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:05:56,838 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:05:56,839 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:05:56,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-23 15:05:56,889 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/data/4c57da18d/bb0914070c7c41ddb25c8662098c7cc2/FLAG4efc32ad9 [2018-11-23 15:05:57,247 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:05:57,248 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-11-23 15:05:57,258 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/data/4c57da18d/bb0914070c7c41ddb25c8662098c7cc2/FLAG4efc32ad9 [2018-11-23 15:05:57,268 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/data/4c57da18d/bb0914070c7c41ddb25c8662098c7cc2 [2018-11-23 15:05:57,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:05:57,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:05:57,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:05:57,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:05:57,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:05:57,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57, skipping insertion in model container [2018-11-23 15:05:57,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:05:57,312 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:05:57,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:05:57,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:05:57,616 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:05:57,636 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:05:57,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57 WrapperNode [2018-11-23 15:05:57,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:05:57,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:05:57,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:05:57,637 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:05:57,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:05:57,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:05:57,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:05:57,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:05:57,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... [2018-11-23 15:05:57,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:05:57,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:05:57,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:05:57,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:05:57,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:05:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:05:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:05:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:05:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:05:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:05:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:05:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 15:05:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:05:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:05:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:05:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:05:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:05:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:05:58,326 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:05:58,326 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-11-23 15:05:58,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:58 BoogieIcfgContainer [2018-11-23 15:05:58,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:05:58,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:05:58,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:05:58,334 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:05:58,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:58" (1/1) ... [2018-11-23 15:05:58,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:05:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2018-11-23 15:05:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2018-11-23 15:05:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 15:05:58,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-11-23 15:05:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-11-23 15:05:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:05:58,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2018-11-23 15:05:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2018-11-23 15:05:58,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 15:05:58,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2018-11-23 15:05:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2018-11-23 15:05:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:05:58,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2018-11-23 15:05:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2018-11-23 15:05:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:05:59,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2018-11-23 15:05:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2018-11-23 15:05:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:05:59,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2018-11-23 15:05:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2018-11-23 15:05:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:05:59,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2018-11-23 15:05:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2018-11-23 15:05:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:05:59,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2018-11-23 15:05:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2018-11-23 15:05:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:05:59,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2018-11-23 15:05:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2018-11-23 15:05:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:05:59,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:05:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:05:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 94 states and 148 transitions. [2018-11-23 15:05:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2018-11-23 15:05:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:05:59,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:05:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:05:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 113 states and 189 transitions. [2018-11-23 15:06:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2018-11-23 15:06:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:06:00,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 195 transitions. [2018-11-23 15:06:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2018-11-23 15:06:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 15:06:00,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 208 transitions. [2018-11-23 15:06:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-11-23 15:06:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 15:06:00,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2018-11-23 15:06:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-11-23 15:06:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 15:06:00,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 211 transitions. [2018-11-23 15:06:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2018-11-23 15:06:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 15:06:00,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 219 transitions. [2018-11-23 15:06:00,852 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2018-11-23 15:06:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:06:00,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2018-11-23 15:06:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2018-11-23 15:06:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 15:06:01,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 239 transitions. [2018-11-23 15:06:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 239 transitions. [2018-11-23 15:06:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:06:01,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 235 transitions. [2018-11-23 15:06:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 235 transitions. [2018-11-23 15:06:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:06:01,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:06:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 142 states and 248 transitions. [2018-11-23 15:06:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 248 transitions. [2018-11-23 15:06:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 15:06:02,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 255 transitions. [2018-11-23 15:06:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2018-11-23 15:06:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:06:02,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 275 transitions. [2018-11-23 15:06:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 275 transitions. [2018-11-23 15:06:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 15:06:02,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 288 transitions. [2018-11-23 15:06:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2018-11-23 15:06:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:06:02,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 168 states and 303 transitions. [2018-11-23 15:06:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 303 transitions. [2018-11-23 15:06:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 15:06:03,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 169 states and 304 transitions. [2018-11-23 15:06:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-11-23 15:06:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 15:06:03,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 171 states and 305 transitions. [2018-11-23 15:06:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2018-11-23 15:06:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 15:06:03,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 172 states and 313 transitions. [2018-11-23 15:06:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 313 transitions. [2018-11-23 15:06:03,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:06:03,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 313 transitions. [2018-11-23 15:06:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2018-11-23 15:06:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:03,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 174 states and 314 transitions. [2018-11-23 15:06:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2018-11-23 15:06:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:03,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 175 states and 315 transitions. [2018-11-23 15:06:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 315 transitions. [2018-11-23 15:06:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 15:06:03,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 176 states and 316 transitions. [2018-11-23 15:06:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 316 transitions. [2018-11-23 15:06:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 15:06:03,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 363 transitions. [2018-11-23 15:06:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 363 transitions. [2018-11-23 15:06:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 15:06:05,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 194 states and 366 transitions. [2018-11-23 15:06:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 366 transitions. [2018-11-23 15:06:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:05,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 204 states and 382 transitions. [2018-11-23 15:06:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 382 transitions. [2018-11-23 15:06:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:06,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 206 states and 385 transitions. [2018-11-23 15:06:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2018-11-23 15:06:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:06,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:06:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 385 transitions. [2018-11-23 15:06:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 385 transitions. [2018-11-23 15:06:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 15:06:06,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:06:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 213 states and 396 transitions. [2018-11-23 15:06:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 396 transitions. [2018-11-23 15:06:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 15:06:07,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 214 states and 397 transitions. [2018-11-23 15:06:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 397 transitions. [2018-11-23 15:06:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:07,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:06:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 215 states and 398 transitions. [2018-11-23 15:06:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 398 transitions. [2018-11-23 15:06:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 15:06:07,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 230 states and 436 transitions. [2018-11-23 15:06:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 436 transitions. [2018-11-23 15:06:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:08,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 233 states and 441 transitions. [2018-11-23 15:06:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 441 transitions. [2018-11-23 15:06:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:09,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 234 states and 442 transitions. [2018-11-23 15:06:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 442 transitions. [2018-11-23 15:06:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 15:06:09,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 235 states and 443 transitions. [2018-11-23 15:06:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 443 transitions. [2018-11-23 15:06:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 15:06:09,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 236 states and 444 transitions. [2018-11-23 15:06:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 444 transitions. [2018-11-23 15:06:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 15:06:09,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 236 states and 437 transitions. [2018-11-23 15:06:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 437 transitions. [2018-11-23 15:06:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 15:06:09,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 237 states and 438 transitions. [2018-11-23 15:06:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 438 transitions. [2018-11-23 15:06:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 15:06:09,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 239 states and 440 transitions. [2018-11-23 15:06:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 440 transitions. [2018-11-23 15:06:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 15:06:09,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:06:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:09,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 242 states and 444 transitions. [2018-11-23 15:06:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 444 transitions. [2018-11-23 15:06:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 15:06:09,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:06:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 245 states and 452 transitions. [2018-11-23 15:06:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 452 transitions. [2018-11-23 15:06:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 15:06:10,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:06:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 249 states and 459 transitions. [2018-11-23 15:06:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 459 transitions. [2018-11-23 15:06:10,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:06:10,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 257 states and 473 transitions. [2018-11-23 15:06:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 473 transitions. [2018-11-23 15:06:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 15:06:11,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:06:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 258 states and 473 transitions. [2018-11-23 15:06:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 473 transitions. [2018-11-23 15:06:11,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 15:06:11,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:06:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 263 states and 483 transitions. [2018-11-23 15:06:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 483 transitions. [2018-11-23 15:06:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:06:12,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:06:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 261 states and 479 transitions. [2018-11-23 15:06:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 479 transitions. [2018-11-23 15:06:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:06:12,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:06:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 262 states and 482 transitions. [2018-11-23 15:06:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 482 transitions. [2018-11-23 15:06:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:06:12,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 15:06:13,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 483 transitions. [2018-11-23 15:06:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 483 transitions. [2018-11-23 15:06:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:06:13,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:06:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 265 states and 483 transitions. [2018-11-23 15:06:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 483 transitions. [2018-11-23 15:06:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:06:13,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:06:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 267 states and 486 transitions. [2018-11-23 15:06:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 486 transitions. [2018-11-23 15:06:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 15:06:13,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:06:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 269 states and 488 transitions. [2018-11-23 15:06:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 488 transitions. [2018-11-23 15:06:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 15:06:13,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:06:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 267 states and 484 transitions. [2018-11-23 15:06:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 484 transitions. [2018-11-23 15:06:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 15:06:13,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 273 states and 496 transitions. [2018-11-23 15:06:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 496 transitions. [2018-11-23 15:06:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 15:06:13,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 274 states and 496 transitions. [2018-11-23 15:06:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 496 transitions. [2018-11-23 15:06:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 15:06:14,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:06:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 275 states and 496 transitions. [2018-11-23 15:06:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 496 transitions. [2018-11-23 15:06:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 15:06:14,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:06:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 275 states and 495 transitions. [2018-11-23 15:06:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 495 transitions. [2018-11-23 15:06:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 15:06:14,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 15:06:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 277 states and 498 transitions. [2018-11-23 15:06:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 498 transitions. [2018-11-23 15:06:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 15:06:14,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:06:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 268 states and 481 transitions. [2018-11-23 15:06:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 481 transitions. [2018-11-23 15:06:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 15:06:14,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 15:06:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 270 states and 482 transitions. [2018-11-23 15:06:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 482 transitions. [2018-11-23 15:06:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 15:06:14,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 272 states and 483 transitions. [2018-11-23 15:06:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 483 transitions. [2018-11-23 15:06:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 15:06:14,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:06:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 264 states and 466 transitions. [2018-11-23 15:06:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 466 transitions. [2018-11-23 15:06:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 15:06:14,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:06:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 265 states and 467 transitions. [2018-11-23 15:06:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 467 transitions. [2018-11-23 15:06:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 15:06:14,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 15:06:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 252 states and 444 transitions. [2018-11-23 15:06:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 444 transitions. [2018-11-23 15:06:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:06:15,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 257 states and 456 transitions. [2018-11-23 15:06:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 456 transitions. [2018-11-23 15:06:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 15:06:15,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 266 states and 476 transitions. [2018-11-23 15:06:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 476 transitions. [2018-11-23 15:06:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:06:16,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:06:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 268 states and 477 transitions. [2018-11-23 15:06:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 477 transitions. [2018-11-23 15:06:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 15:06:16,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 269 states and 478 transitions. [2018-11-23 15:06:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 478 transitions. [2018-11-23 15:06:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 15:06:16,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:06:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 271 states and 479 transitions. [2018-11-23 15:06:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 479 transitions. [2018-11-23 15:06:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 15:06:16,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 15:06:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 148 states and 218 transitions. [2018-11-23 15:06:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2018-11-23 15:06:17,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:06:17,842 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 78 iterations. [2018-11-23 15:06:17,849 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:06:18,122 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 15:06:18,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,127 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 15:06:18,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,129 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 15:06:18,129 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,129 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,130 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,130 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:18,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:06:18 ImpRootNode [2018-11-23 15:06:18,130 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:06:18,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:06:18,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:06:18,131 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:06:18,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:58" (3/4) ... [2018-11-23 15:06:18,134 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:06:18,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 15:06:18,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:06:18,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-11-23 15:06:18,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 15:06:18,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 15:06:18,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 15:06:18,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:06:18,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:06:18,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:06:18,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) && !(systemActive == 0)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-23 15:06:18,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == tmp || tmp == 0) || systemActive == 0) || !(0 == pumpRunning)) || !(\old(pumpRunning) == pumpRunning) [2018-11-23 15:06:18,190 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2609113c-8887-488c-aca0-9d8032860f0a/bin-2019/ukojak/witness.graphml [2018-11-23 15:06:18,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:06:18,191 INFO L168 Benchmark]: Toolchain (without parser) took 20920.86 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 535.8 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -355.2 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,192 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:06:18,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,192 INFO L168 Benchmark]: Boogie Preprocessor took 25.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,193 INFO L168 Benchmark]: RCFGBuilder took 618.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,193 INFO L168 Benchmark]: CodeCheck took 19803.19 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 407.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:18,193 INFO L168 Benchmark]: Witness Printer took 60.12 ms. Allocated memory is still 1.6 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:06:18,194 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, 71 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 78 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 839393568 SDtfs, -994124634 SDslu, -1684299040 SDs, 0 SdLazy, 806406602 SolverSat, -1148216124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39959 GetRequests, 39024 SyntacticMatches, 543 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83111 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3726 NumberOfCodeBlocks, 3726 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 3649 ConstructedInterpolants, 0 QuantifiedInterpolants, 411479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 77 InterpolantComputations, 52 PerfectInterpolantSequences, 1629/1817 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: 158]: 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: 504]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == tmp || tmp == 0) || systemActive == 0) || !(0 == pumpRunning)) || !(\old(pumpRunning) == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) && !(systemActive == 0)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(systemActive == 0))) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 618.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 19803.19 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 407.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -266.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 11.5 GB. * Witness Printer took 60.12 ms. Allocated memory is still 1.6 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...