./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:31:17,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:31:17,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:31:17,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:31:17,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:31:17,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:31:17,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:31:17,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:31:17,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:31:17,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:31:17,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:31:17,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:31:17,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:31:17,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:31:17,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:31:17,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:31:17,910 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:31:17,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:31:17,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:31:17,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:31:17,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:31:17,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:31:17,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:31:17,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:31:17,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:31:17,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:31:17,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:31:17,919 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:31:17,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:31:17,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:31:17,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:31:17,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:31:17,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:31:17,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:31:17,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:31:17,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:31:17,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:31:17,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:31:17,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:31:17,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:31:17,933 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:31:17,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:31:17,934 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:31:17,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:31:17,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:31:17,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:31:17,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:31:17,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:31:17,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:31:17,935 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:31:17,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:31:17,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:31:17,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:31:17,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:31:17,937 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_bbcab58c-fd75-4243-a53a-bcdf74011579/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2018-12-08 14:31:17,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:31:17,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:31:17,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:31:17,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:31:17,968 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:31:17,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-12-08 14:31:18,000 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/data/20a8cd04b/db2bc9d56e204a90a1e6f69360b57025/FLAGb820a5c32 [2018-12-08 14:31:18,381 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:31:18,381 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-12-08 14:31:18,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/data/20a8cd04b/db2bc9d56e204a90a1e6f69360b57025/FLAGb820a5c32 [2018-12-08 14:31:18,737 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/data/20a8cd04b/db2bc9d56e204a90a1e6f69360b57025 [2018-12-08 14:31:18,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:31:18,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:31:18,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:31:18,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:31:18,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:31:18,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:31:18" (1/1) ... [2018-12-08 14:31:18,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420df208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:18, skipping insertion in model container [2018-12-08 14:31:18,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:31:18" (1/1) ... [2018-12-08 14:31:18,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:31:18,772 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:31:18,940 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:31:18,950 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:31:19,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:31:19,039 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:31:19,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19 WrapperNode [2018-12-08 14:31:19,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:31:19,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:31:19,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:31:19,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:31:19,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:31:19,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:31:19,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:31:19,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:31:19,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:31:19,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:31:19,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:31:19,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:31:19,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:31:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:31:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:31:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:31:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:31:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:31:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:31:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:31:19,516 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:31:19,517 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-08 14:31:19,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:31:19 BoogieIcfgContainer [2018-12-08 14:31:19,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:31:19,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:31:19,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:31:19,524 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:31:19,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:31:19" (1/1) ... [2018-12-08 14:31:19,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:31:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2018-12-08 14:31:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2018-12-08 14:31:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 14:31:19,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2018-12-08 14:31:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2018-12-08 14:31:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 14:31:19,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-08 14:31:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-08 14:31:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 14:31:19,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-08 14:31:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-08 14:31:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 14:31:19,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-12-08 14:31:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-12-08 14:31:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:31:19,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-12-08 14:31:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-12-08 14:31:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:31:19,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-12-08 14:31:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-12-08 14:31:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:31:19,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2018-12-08 14:31:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2018-12-08 14:31:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:31:20,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 136 transitions. [2018-12-08 14:31:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2018-12-08 14:31:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:31:20,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2018-12-08 14:31:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2018-12-08 14:31:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 14:31:21,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2018-12-08 14:31:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2018-12-08 14:31:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 14:31:21,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2018-12-08 14:31:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2018-12-08 14:31:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 14:31:21,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 191 transitions. [2018-12-08 14:31:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-12-08 14:31:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:31:21,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 197 transitions. [2018-12-08 14:31:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2018-12-08 14:31:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 14:31:21,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 205 transitions. [2018-12-08 14:31:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2018-12-08 14:31:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 14:31:21,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:31:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 206 transitions. [2018-12-08 14:31:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2018-12-08 14:31:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 14:31:21,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:31:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 135 states and 231 transitions. [2018-12-08 14:31:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2018-12-08 14:31:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 14:31:21,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:31:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 227 transitions. [2018-12-08 14:31:21,932 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2018-12-08 14:31:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 14:31:21,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:31:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 228 transitions. [2018-12-08 14:31:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2018-12-08 14:31:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:31:21,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 14:31:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 234 transitions. [2018-12-08 14:31:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2018-12-08 14:31:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:31:22,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:31:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 143 states and 248 transitions. [2018-12-08 14:31:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 248 transitions. [2018-12-08 14:31:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 14:31:22,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:31:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 249 transitions. [2018-12-08 14:31:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 249 transitions. [2018-12-08 14:31:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 14:31:23,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:31:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 261 transitions. [2018-12-08 14:31:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 261 transitions. [2018-12-08 14:31:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 14:31:23,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:31:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 153 states and 262 transitions. [2018-12-08 14:31:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 262 transitions. [2018-12-08 14:31:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:31:23,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 262 transitions. [2018-12-08 14:31:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 262 transitions. [2018-12-08 14:31:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:31:23,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:31:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 156 states and 263 transitions. [2018-12-08 14:31:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 263 transitions. [2018-12-08 14:31:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 14:31:23,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:31:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 264 transitions. [2018-12-08 14:31:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 264 transitions. [2018-12-08 14:31:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 14:31:23,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 173 states and 305 transitions. [2018-12-08 14:31:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 305 transitions. [2018-12-08 14:31:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:31:24,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 175 states and 303 transitions. [2018-12-08 14:31:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 303 transitions. [2018-12-08 14:31:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 14:31:25,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 177 states and 304 transitions. [2018-12-08 14:31:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 304 transitions. [2018-12-08 14:31:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:31:25,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 189 states and 336 transitions. [2018-12-08 14:31:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 336 transitions. [2018-12-08 14:31:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:31:26,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 191 states and 338 transitions. [2018-12-08 14:31:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 338 transitions. [2018-12-08 14:31:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:31:26,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 193 states and 339 transitions. [2018-12-08 14:31:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 339 transitions. [2018-12-08 14:31:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:31:26,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:31:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 194 states and 339 transitions. [2018-12-08 14:31:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 339 transitions. [2018-12-08 14:31:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:31:26,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 195 states and 340 transitions. [2018-12-08 14:31:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 340 transitions. [2018-12-08 14:31:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:31:26,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 14:31:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 198 states and 341 transitions. [2018-12-08 14:31:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 341 transitions. [2018-12-08 14:31:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:31:26,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 14:31:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 200 states and 343 transitions. [2018-12-08 14:31:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 343 transitions. [2018-12-08 14:31:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 14:31:27,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 344 transitions. [2018-12-08 14:31:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2018-12-08 14:31:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 14:31:27,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:31:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 203 states and 345 transitions. [2018-12-08 14:31:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 345 transitions. [2018-12-08 14:31:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:31:27,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:31:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 206 states and 349 transitions. [2018-12-08 14:31:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 349 transitions. [2018-12-08 14:31:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 14:31:27,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:31:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 152 states and 237 transitions. [2018-12-08 14:31:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 237 transitions. [2018-12-08 14:31:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:31:27,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:31:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 156 states and 244 transitions. [2018-12-08 14:31:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 244 transitions. [2018-12-08 14:31:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 14:31:27,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:31:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 157 states and 244 transitions. [2018-12-08 14:31:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 244 transitions. [2018-12-08 14:31:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 14:31:27,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:31:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 155 states and 240 transitions. [2018-12-08 14:31:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 240 transitions. [2018-12-08 14:31:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 14:31:27,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:31:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 156 states and 243 transitions. [2018-12-08 14:31:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 243 transitions. [2018-12-08 14:31:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 14:31:27,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:31:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 158 states and 246 transitions. [2018-12-08 14:31:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 246 transitions. [2018-12-08 14:31:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 14:31:28,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:31:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 160 states and 248 transitions. [2018-12-08 14:31:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2018-12-08 14:31:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 14:31:28,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:31:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 161 states and 248 transitions. [2018-12-08 14:31:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 248 transitions. [2018-12-08 14:31:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 14:31:28,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:31:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 152 states and 231 transitions. [2018-12-08 14:31:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2018-12-08 14:31:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 14:31:28,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 14:31:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 154 states and 234 transitions. [2018-12-08 14:31:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 234 transitions. [2018-12-08 14:31:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 14:31:28,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 14:31:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 155 states and 235 transitions. [2018-12-08 14:31:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 235 transitions. [2018-12-08 14:31:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 14:31:28,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:31:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:31:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 14:31:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:31:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 90 states and 122 transitions. [2018-12-08 14:31:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2018-12-08 14:31:28,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:31:28,228 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-12-08 14:31:28,234 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 14:31:28,410 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 14:31:28,414 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,414 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,415 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-08 14:31:28,415 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,415 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 14:31:28,416 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,416 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,416 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-08 14:31:28,416 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,417 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:31:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:31:28 ImpRootNode [2018-12-08 14:31:28,417 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:31:28,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:31:28,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:31:28,417 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:31:28,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:31:19" (3/4) ... [2018-12-08 14:31:28,420 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:31:28,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 14:31:28,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 14:31:28,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-08 14:31:28,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 14:31:28,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 14:31:28,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:31:28,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 14:31:28,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:31:28,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-08 14:31:28,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-12-08 14:31:28,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bbcab58c-fd75-4243-a53a-bcdf74011579/bin-2019/ukojak/witness.graphml [2018-12-08 14:31:28,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:31:28,466 INFO L168 Benchmark]: Toolchain (without parser) took 9726.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -294.5 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,467 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:31:28,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,467 INFO L168 Benchmark]: Boogie Preprocessor took 16.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,468 INFO L168 Benchmark]: RCFGBuilder took 430.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,468 INFO L168 Benchmark]: CodeCheck took 8899.74 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -219.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,468 INFO L168 Benchmark]: Witness Printer took 48.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 167.5 kB). Peak memory consumption was 167.5 kB. Max. memory is 11.5 GB. [2018-12-08 14:31:28,469 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, 74 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 395093028 SDtfs, -877476948 SDslu, -1322243620 SDs, 0 SdLazy, 149385564 SolverSat, -170251724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21430 GetRequests, 20927 SyntacticMatches, 251 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28599 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2213 NumberOfCodeBlocks, 2213 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2162 ConstructedInterpolants, 0 QuantifiedInterpolants, 204263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 40 PerfectInterpolantSequences, 783/838 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: 44]: 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: 697]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. * CodeCheck took 8899.74 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -219.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 167.5 kB). Peak memory consumption was 167.5 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...