./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.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_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/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 785a7f7444547118219ac2dc565afc7f15fbca51 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:07:56,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:07:56,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:07:56,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:07:56,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:07:56,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:07:56,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:07:56,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:07:56,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:07:56,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:07:56,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:07:56,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:07:56,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:07:56,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:07:56,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:07:56,962 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:07:56,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:07:56,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:07:56,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:07:56,966 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:07:56,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:07:56,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:07:56,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:07:56,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:07:56,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:07:56,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:07:56,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:07:56,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:07:56,970 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:07:56,970 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:07:56,970 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:07:56,971 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:07:56,971 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:07:56,971 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:07:56,971 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:07:56,972 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:07:56,972 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:07:56,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:07:56,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:07:56,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:07:56,980 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:07:56,980 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:07:56,980 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:07:56,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:07:56,980 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:07:56,980 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:07:56,980 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:07:56,981 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:07:56,981 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:07:56,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:07:56,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:07:56,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:07:56,982 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_18a8fa83-00a5-4083-9579-20ef3f357f56/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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-12-02 02:07:57,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:07:57,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:07:57,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:07:57,009 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:07:57,009 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:07:57,010 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-02 02:07:57,045 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/data/380eb6613/f58fed22792841c7bc2eaa350864a789/FLAG14b979140 [2018-12-02 02:07:57,540 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:07:57,540 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-02 02:07:57,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/data/380eb6613/f58fed22792841c7bc2eaa350864a789/FLAG14b979140 [2018-12-02 02:07:57,554 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/data/380eb6613/f58fed22792841c7bc2eaa350864a789 [2018-12-02 02:07:57,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:07:57,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:07:57,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:07:57,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:07:57,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:07:57,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f792852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57, skipping insertion in model container [2018-12-02 02:07:57,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:07:57,595 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:07:57,777 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:07:57,780 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:07:57,864 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:07:57,874 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:07:57,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57 WrapperNode [2018-12-02 02:07:57,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:07:57,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:07:57,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:07:57,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:07:57,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:07:57,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:07:57,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:07:57,916 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:07:57,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... [2018-12-02 02:07:57,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:07:57,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:07:57,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:07:57,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:07:57,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:07:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:07:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:07:58,955 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:07:58,955 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:07:58,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:58 BoogieIcfgContainer [2018-12-02 02:07:58,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:07:58,956 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:07:58,956 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:07:58,965 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:07:58,966 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:58" (1/1) ... [2018-12-02 02:07:58,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:07:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:07:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 02:07:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 02:07:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 02:07:59,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:07:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:07:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:07:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:07:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-02 02:07:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-02 02:07:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 02:07:59,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:07:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:07:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:07:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:07:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-02 02:07:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-02 02:07:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 02:07:59,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:07:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:07:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:07:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:07:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-02 02:07:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-02 02:07:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 02:07:59,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:07:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:07:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2018-12-02 02:08:00,239 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2018-12-02 02:08:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-02 02:08:00,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 231 states and 333 transitions. [2018-12-02 02:08:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2018-12-02 02:08:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 02:08:00,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 242 states and 349 transitions. [2018-12-02 02:08:01,069 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2018-12-02 02:08:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 02:08:01,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 247 states and 354 transitions. [2018-12-02 02:08:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2018-12-02 02:08:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 02:08:01,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:08:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 258 states and 367 transitions. [2018-12-02 02:08:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 367 transitions. [2018-12-02 02:08:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 02:08:01,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 262 states and 373 transitions. [2018-12-02 02:08:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2018-12-02 02:08:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 02:08:01,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 264 states and 374 transitions. [2018-12-02 02:08:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 374 transitions. [2018-12-02 02:08:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 02:08:01,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 266 states and 376 transitions. [2018-12-02 02:08:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2018-12-02 02:08:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 02:08:01,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:08:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 274 states and 385 transitions. [2018-12-02 02:08:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2018-12-02 02:08:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 02:08:01,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:02,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2018-12-02 02:08:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2018-12-02 02:08:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 02:08:02,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 292 states and 411 transitions. [2018-12-02 02:08:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 411 transitions. [2018-12-02 02:08:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 02:08:02,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 297 states and 416 transitions. [2018-12-02 02:08:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 416 transitions. [2018-12-02 02:08:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 02:08:03,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 316 states and 439 transitions. [2018-12-02 02:08:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 439 transitions. [2018-12-02 02:08:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 02:08:03,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2018-12-02 02:08:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2018-12-02 02:08:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 02:08:03,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:08:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2018-12-02 02:08:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2018-12-02 02:08:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 02:08:03,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 350 states and 477 transitions. [2018-12-02 02:08:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 477 transitions. [2018-12-02 02:08:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 02:08:04,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 366 states and 493 transitions. [2018-12-02 02:08:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 493 transitions. [2018-12-02 02:08:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 02:08:04,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 02:08:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 374 states and 504 transitions. [2018-12-02 02:08:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 504 transitions. [2018-12-02 02:08:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 02:08:04,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 02:08:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 375 states and 506 transitions. [2018-12-02 02:08:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 506 transitions. [2018-12-02 02:08:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-02 02:08:05,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 389 states and 522 transitions. [2018-12-02 02:08:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2018-12-02 02:08:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-02 02:08:05,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 393 states and 526 transitions. [2018-12-02 02:08:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 526 transitions. [2018-12-02 02:08:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 02:08:05,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 402 states and 540 transitions. [2018-12-02 02:08:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 540 transitions. [2018-12-02 02:08:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 02:08:07,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 02:08:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 405 states and 544 transitions. [2018-12-02 02:08:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 544 transitions. [2018-12-02 02:08:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 02:08:07,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 419 states and 560 transitions. [2018-12-02 02:08:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 560 transitions. [2018-12-02 02:08:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 02:08:07,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:08:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-02 02:08:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-02 02:08:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 02:08:07,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 02:08:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 436 states and 585 transitions. [2018-12-02 02:08:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 585 transitions. [2018-12-02 02:08:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 02:08:08,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 481 states and 635 transitions. [2018-12-02 02:08:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 635 transitions. [2018-12-02 02:08:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 02:08:10,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 02:08:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 522 states and 683 transitions. [2018-12-02 02:08:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 683 transitions. [2018-12-02 02:08:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 02:08:11,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 02:08:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 527 states and 688 transitions. [2018-12-02 02:08:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 688 transitions. [2018-12-02 02:08:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 02:08:12,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 576 states and 745 transitions. [2018-12-02 02:08:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 745 transitions. [2018-12-02 02:08:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 02:08:15,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 611 states and 780 transitions. [2018-12-02 02:08:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 780 transitions. [2018-12-02 02:08:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 02:08:16,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 615 states and 783 transitions. [2018-12-02 02:08:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 783 transitions. [2018-12-02 02:08:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 02:08:16,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 620 states and 791 transitions. [2018-12-02 02:08:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 791 transitions. [2018-12-02 02:08:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 02:08:17,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:08:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 627 states and 798 transitions. [2018-12-02 02:08:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 798 transitions. [2018-12-02 02:08:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 02:08:17,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:08:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 676 states and 851 transitions. [2018-12-02 02:08:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 851 transitions. [2018-12-02 02:08:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 02:08:17,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 685 states and 865 transitions. [2018-12-02 02:08:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 865 transitions. [2018-12-02 02:08:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 02:08:18,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 692 states and 873 transitions. [2018-12-02 02:08:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 873 transitions. [2018-12-02 02:08:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 02:08:19,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 717 states and 900 transitions. [2018-12-02 02:08:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 900 transitions. [2018-12-02 02:08:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 02:08:20,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:08:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 772 states and 959 transitions. [2018-12-02 02:08:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 959 transitions. [2018-12-02 02:08:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 02:08:24,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:27,454 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 02:08:28,374 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-02 02:08:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 809 states and 1009 transitions. [2018-12-02 02:08:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1009 transitions. [2018-12-02 02:08:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 02:08:29,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 841 states and 1039 transitions. [2018-12-02 02:08:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1039 transitions. [2018-12-02 02:08:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 02:08:30,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:08:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 852 states and 1054 transitions. [2018-12-02 02:08:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1054 transitions. [2018-12-02 02:08:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 02:08:31,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 02:08:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 856 states and 1057 transitions. [2018-12-02 02:08:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1057 transitions. [2018-12-02 02:08:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 02:08:31,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 876 states and 1079 transitions. [2018-12-02 02:08:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1079 transitions. [2018-12-02 02:08:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 02:08:31,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:08:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 884 states and 1090 transitions. [2018-12-02 02:08:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1090 transitions. [2018-12-02 02:08:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 02:08:32,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:08:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 886 states and 1091 transitions. [2018-12-02 02:08:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1091 transitions. [2018-12-02 02:08:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 02:08:33,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:08:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 955 states and 1161 transitions. [2018-12-02 02:08:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1161 transitions. [2018-12-02 02:08:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 02:08:34,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 975 states and 1185 transitions. [2018-12-02 02:08:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1185 transitions. [2018-12-02 02:08:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 02:08:34,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 977 states and 1188 transitions. [2018-12-02 02:08:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1188 transitions. [2018-12-02 02:08:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 02:08:35,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:08:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 979 states and 1190 transitions. [2018-12-02 02:08:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1190 transitions. [2018-12-02 02:08:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 02:08:35,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 981 states and 1191 transitions. [2018-12-02 02:08:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1191 transitions. [2018-12-02 02:08:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 02:08:35,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 983 states and 1192 transitions. [2018-12-02 02:08:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1192 transitions. [2018-12-02 02:08:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 02:08:35,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 02:08:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 986 states and 1196 transitions. [2018-12-02 02:08:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1196 transitions. [2018-12-02 02:08:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 02:08:36,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1030 states and 1252 transitions. [2018-12-02 02:08:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1252 transitions. [2018-12-02 02:08:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 02:08:40,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1032 states and 1253 transitions. [2018-12-02 02:08:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1253 transitions. [2018-12-02 02:08:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 02:08:41,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:08:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1034 states and 1254 transitions. [2018-12-02 02:08:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1254 transitions. [2018-12-02 02:08:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 02:08:41,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1070 states and 1299 transitions. [2018-12-02 02:08:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1299 transitions. [2018-12-02 02:08:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 02:08:46,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1086 states and 1317 transitions. [2018-12-02 02:08:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1317 transitions. [2018-12-02 02:08:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 02:08:48,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:08:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1100 states and 1331 transitions. [2018-12-02 02:08:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1331 transitions. [2018-12-02 02:08:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 02:08:49,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 02:08:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1108 states and 1340 transitions. [2018-12-02 02:08:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1340 transitions. [2018-12-02 02:08:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 02:08:49,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 02:08:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1118 states and 1350 transitions. [2018-12-02 02:08:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1350 transitions. [2018-12-02 02:08:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 02:08:50,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 02:08:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1120 states and 1352 transitions. [2018-12-02 02:08:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1352 transitions. [2018-12-02 02:08:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 02:08:51,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1152 states and 1385 transitions. [2018-12-02 02:08:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1385 transitions. [2018-12-02 02:08:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 02:08:55,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:08:55,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:08:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1154 states and 1386 transitions. [2018-12-02 02:08:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1386 transitions. [2018-12-02 02:08:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 02:08:55,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:08:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:08:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:09:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1210 states and 1449 transitions. [2018-12-02 02:09:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1449 transitions. [2018-12-02 02:09:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 02:09:01,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:09:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1212 states and 1450 transitions. [2018-12-02 02:09:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1450 transitions. [2018-12-02 02:09:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 02:09:02,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 02:09:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1223 states and 1464 transitions. [2018-12-02 02:09:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1464 transitions. [2018-12-02 02:09:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 02:09:02,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:09:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1253 states and 1499 transitions. [2018-12-02 02:09:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1499 transitions. [2018-12-02 02:09:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 02:09:05,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 02:09:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1259 states and 1502 transitions. [2018-12-02 02:09:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1502 transitions. [2018-12-02 02:09:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 02:09:07,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 02:09:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1275 states and 1521 transitions. [2018-12-02 02:09:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1521 transitions. [2018-12-02 02:09:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 02:09:08,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:09:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1328 states and 1583 transitions. [2018-12-02 02:09:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1583 transitions. [2018-12-02 02:09:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 02:09:13,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:09:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1298 states and 1551 transitions. [2018-12-02 02:09:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1551 transitions. [2018-12-02 02:09:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 02:09:14,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:09:18,129 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 02:09:18,868 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-02 02:09:20,239 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-02 02:09:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1344 states and 1600 transitions. [2018-12-02 02:09:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1600 transitions. [2018-12-02 02:09:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 02:09:22,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 02:09:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1346 states and 1601 transitions. [2018-12-02 02:09:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1601 transitions. [2018-12-02 02:09:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 02:09:23,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 02:09:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1416 states and 1678 transitions. [2018-12-02 02:09:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1678 transitions. [2018-12-02 02:09:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 02:09:24,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:09:28,969 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 02:09:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1420 states and 1684 transitions. [2018-12-02 02:09:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1684 transitions. [2018-12-02 02:09:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 02:09:31,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 02:09:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1487 states and 1754 transitions. [2018-12-02 02:09:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1754 transitions. [2018-12-02 02:09:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 02:09:33,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 02:09:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1556 states and 1827 transitions. [2018-12-02 02:09:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1827 transitions. [2018-12-02 02:09:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 02:09:34,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-02 02:09:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1559 states and 1831 transitions. [2018-12-02 02:09:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1831 transitions. [2018-12-02 02:09:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 02:09:35,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 02:09:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1635 states and 1913 transitions. [2018-12-02 02:09:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1913 transitions. [2018-12-02 02:09:38,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 02:09:38,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 02:09:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:09:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1636 states and 1914 transitions. [2018-12-02 02:09:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1914 transitions. [2018-12-02 02:09:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 02:09:38,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:09:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:09:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 02:09:54,477 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-12-02 02:09:55,543 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 02:09:57,151 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 02:09:59,091 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 02:10:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1736 states and 2034 transitions. [2018-12-02 02:10:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2034 transitions. [2018-12-02 02:10:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 02:10:01,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 02:10:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1747 states and 2046 transitions. [2018-12-02 02:10:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2046 transitions. [2018-12-02 02:10:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 02:10:03,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:03,795 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 02:10:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 1762 states and 2069 transitions. [2018-12-02 02:10:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2069 transitions. [2018-12-02 02:10:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 02:10:06,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 02:10:10,656 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-02 02:10:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1782 states and 2088 transitions. [2018-12-02 02:10:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2088 transitions. [2018-12-02 02:10:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 02:10:10,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 02:10:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1787 states and 2092 transitions. [2018-12-02 02:10:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2092 transitions. [2018-12-02 02:10:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 02:10:11,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 02:10:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1803 states and 2107 transitions. [2018-12-02 02:10:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2107 transitions. [2018-12-02 02:10:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 02:10:13,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 02:10:16,147 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-02 02:10:17,554 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-02 02:10:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1828 states and 2134 transitions. [2018-12-02 02:10:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2134 transitions. [2018-12-02 02:10:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 02:10:22,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 02:10:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1847 states and 2152 transitions. [2018-12-02 02:10:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2152 transitions. [2018-12-02 02:10:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 02:10:24,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:25,823 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-12-02 02:10:26,572 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:10:27,448 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 02:10:29,229 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 02:10:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1897 states and 2205 transitions. [2018-12-02 02:10:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2205 transitions. [2018-12-02 02:10:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 02:10:41,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:10:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1901 states and 2209 transitions. [2018-12-02 02:10:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2209 transitions. [2018-12-02 02:10:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 02:10:43,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:10:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:10:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1921 states and 2227 transitions. [2018-12-02 02:10:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2227 transitions. [2018-12-02 02:10:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 02:10:51,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:10:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:10:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:11:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1931 states and 2239 transitions. [2018-12-02 02:11:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2239 transitions. [2018-12-02 02:11:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 02:11:01,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:11:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1941 states and 2249 transitions. [2018-12-02 02:11:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2249 transitions. [2018-12-02 02:11:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 02:11:03,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:11:05,929 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 02:11:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1977 states and 2286 transitions. [2018-12-02 02:11:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2286 transitions. [2018-12-02 02:11:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 02:11:08,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 02:11:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2000 states and 2307 transitions. [2018-12-02 02:11:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2307 transitions. [2018-12-02 02:11:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 02:11:11,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 02:11:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2002 states and 2308 transitions. [2018-12-02 02:11:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2308 transitions. [2018-12-02 02:11:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:11:13,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-02 02:11:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2091 states and 2404 transitions. [2018-12-02 02:11:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2404 transitions. [2018-12-02 02:11:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 02:11:20,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 02:11:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2100 states and 2415 transitions. [2018-12-02 02:11:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2415 transitions. [2018-12-02 02:11:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 02:11:26,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 02:11:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2119 states and 2440 transitions. [2018-12-02 02:11:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2440 transitions. [2018-12-02 02:11:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-02 02:11:34,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 02:11:41,476 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-02 02:11:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2262 states and 2597 transitions. [2018-12-02 02:11:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2597 transitions. [2018-12-02 02:11:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 02:11:44,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 02:11:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2292 states and 2630 transitions. [2018-12-02 02:11:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2630 transitions. [2018-12-02 02:11:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 02:11:49,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 02:11:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:11:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2336 states and 2673 transitions. [2018-12-02 02:11:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2673 transitions. [2018-12-02 02:11:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 02:11:50,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:11:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 02:11:54,802 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 02:11:59,198 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-12-02 02:12:00,654 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 02:12:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2359 states and 2701 transitions. [2018-12-02 02:12:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2701 transitions. [2018-12-02 02:12:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 02:12:05,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 02:12:07,785 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 02:12:08,272 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 02:12:09,639 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 02:12:10,422 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 02:12:13,027 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 02:12:13,587 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 02:12:14,988 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 02:12:15,657 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 02:12:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2407 states and 2752 transitions. [2018-12-02 02:12:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2752 transitions. [2018-12-02 02:12:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 02:12:16,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-02 02:12:19,194 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 02:12:20,411 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-02 02:12:21,760 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-02 02:12:22,492 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 02:12:23,419 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-02 02:12:25,028 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-02 02:12:29,676 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-02 02:12:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2476 states and 2824 transitions. [2018-12-02 02:12:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2824 transitions. [2018-12-02 02:12:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-02 02:12:35,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-02 02:12:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2545 states and 2895 transitions. [2018-12-02 02:12:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2895 transitions. [2018-12-02 02:12:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-02 02:12:37,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 15 proven. 500 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-02 02:12:38,932 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-12-02 02:12:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:45,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2610 states and 2967 transitions. [2018-12-02 02:12:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 2967 transitions. [2018-12-02 02:12:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 02:12:45,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 02:12:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2679 states and 3038 transitions. [2018-12-02 02:12:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3038 transitions. [2018-12-02 02:12:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 02:12:48,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 02:12:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2713 states and 3076 transitions. [2018-12-02 02:12:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3076 transitions. [2018-12-02 02:12:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 02:12:54,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 02:12:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:12:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2740 states and 3101 transitions. [2018-12-02 02:12:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3101 transitions. [2018-12-02 02:12:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-02 02:12:57,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:12:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:12:58,954 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-02 02:12:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-02 02:13:05,238 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 02:13:07,949 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 02:13:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2817 states and 3201 transitions. [2018-12-02 02:13:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3201 transitions. [2018-12-02 02:13:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-02 02:13:23,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-02 02:13:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 2884 states and 3265 transitions. [2018-12-02 02:13:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3265 transitions. [2018-12-02 02:13:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 02:13:29,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 02:13:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2888 states and 3271 transitions. [2018-12-02 02:13:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3271 transitions. [2018-12-02 02:13:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 02:13:31,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 02:13:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 2909 states and 3294 transitions. [2018-12-02 02:13:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3294 transitions. [2018-12-02 02:13:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 02:13:33,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 02:13:34,825 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 02:13:37,085 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-02 02:13:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:38,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 2953 states and 3337 transitions. [2018-12-02 02:13:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3337 transitions. [2018-12-02 02:13:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 02:13:38,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:41,354 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2018-12-02 02:13:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 02:13:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:13:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3001 states and 3387 transitions. [2018-12-02 02:13:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3387 transitions. [2018-12-02 02:13:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 02:13:48,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:13:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:13:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 02:13:58,236 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 02:14:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:14:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 3070 states and 3457 transitions. [2018-12-02 02:14:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3457 transitions. [2018-12-02 02:14:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-02 02:14:02,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:14:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 372 proven. 369 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-12-02 02:14:08,314 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-02 02:14:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:14:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3074 states and 3462 transitions. [2018-12-02 02:14:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3462 transitions. [2018-12-02 02:14:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 02:14:09,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:14:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-02 02:14:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:14:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2936 states and 3312 transitions. [2018-12-02 02:14:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3312 transitions. [2018-12-02 02:14:13,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:14:13,410 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 124 iterations. [2018-12-02 02:14:13,416 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:14:13,732 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 53 [2018-12-02 02:14:13,955 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2018-12-02 02:14:14,188 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 48 [2018-12-02 02:14:14,451 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-02 02:14:14,758 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 48 [2018-12-02 02:14:15,094 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2018-12-02 02:14:15,282 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 23 [2018-12-02 02:14:15,513 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2018-12-02 02:14:15,821 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 48 [2018-12-02 02:14:16,201 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2018-12-02 02:14:16,546 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 55 [2018-12-02 02:14:16,784 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-12-02 02:14:17,034 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 35 [2018-12-02 02:14:17,195 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2018-12-02 02:14:17,585 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-02 02:14:17,957 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 47 [2018-12-02 02:14:18,174 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 51 [2018-12-02 02:14:18,398 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 46 [2018-12-02 02:14:18,649 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-02 02:14:18,949 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-02 02:14:19,159 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 51 [2018-12-02 02:14:19,423 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 51 [2018-12-02 02:14:19,533 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 27 [2018-12-02 02:14:19,753 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 52 [2018-12-02 02:14:20,063 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 51 [2018-12-02 02:14:20,348 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 51 [2018-12-02 02:14:20,689 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 41 [2018-12-02 02:14:20,942 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-02 02:14:21,180 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2018-12-02 02:14:21,429 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 39 [2018-12-02 02:14:21,678 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-02 02:14:21,975 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-02 02:14:22,262 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-02 02:14:22,376 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2018-12-02 02:14:22,706 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-02 02:14:22,846 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2018-12-02 02:14:23,128 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-02 02:14:23,240 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 27 [2018-12-02 02:14:23,527 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 51 [2018-12-02 02:14:23,956 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 53 [2018-12-02 02:14:24,246 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 48 [2018-12-02 02:14:24,844 WARN L180 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 68 [2018-12-02 02:14:24,948 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2018-12-02 02:14:25,056 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 27 [2018-12-02 02:14:25,471 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2018-12-02 02:14:25,751 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-02 02:14:26,004 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 47 [2018-12-02 02:14:26,328 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 46 [2018-12-02 02:14:26,552 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 46 [2018-12-02 02:14:26,804 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-02 02:14:26,972 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2018-12-02 02:14:26,985 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:14:26,987 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-02 02:14:26,991 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-02 02:14:26,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:14:26 ImpRootNode [2018-12-02 02:14:26,992 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:14:26,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:14:26,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:14:26,992 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:14:26,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:58" (3/4) ... [2018-12-02 02:14:26,995 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:14:27,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 02:14:27,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 02:14:27,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 02:14:27,005 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:14:27,077 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18a8fa83-00a5-4083-9579-20ef3f357f56/bin-2019/ukojak/witness.graphml [2018-12-02 02:14:27,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:14:27,078 INFO L168 Benchmark]: Toolchain (without parser) took 389521.56 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 850.4 MB). Free memory was 951.7 MB in the beginning and 769.2 MB in the end (delta: 182.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,079 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:14:27,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.43 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,079 INFO L168 Benchmark]: Boogie Preprocessor took 30.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:14:27,080 INFO L168 Benchmark]: RCFGBuilder took 1009.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 878.4 MB in the end (delta: 209.8 MB). Peak memory consumption was 209.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,080 INFO L168 Benchmark]: CodeCheck took 388035.73 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 737.1 MB). Free memory was 878.4 MB in the beginning and 790.4 MB in the end (delta: 88.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,080 INFO L168 Benchmark]: Witness Printer took 85.35 ms. Allocated memory is still 1.9 GB. Free memory was 790.4 MB in the beginning and 769.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:14:27,082 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 1 procedures, 198 locations, 1 error locations. SAFE Result, 374.4s OverallTime, 124 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 303805756 SDtfs, -182133954 SDslu, 1579036050 SDs, 0 SdLazy, 2113623414 SolverSat, 1424399850 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 525.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163630 GetRequests, 156418 SyntacticMatches, 5414 SemanticMatches, 1798 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2484270 ImplicationChecksByTransitivity, 344.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 43.0s InterpolantComputationTime, 24553 NumberOfCodeBlocks, 24553 NumberOfCodeBlocksAsserted, 123 NumberOfCheckSat, 24430 ConstructedInterpolants, 0 QuantifiedInterpolants, 43286304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 123 InterpolantComputations, 93 PerfectInterpolantSequences, 31652/33507 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: 500]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) || !(a16 == 5)) || !(a8 == 13) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) || !(a16 == 5)) || !(a8 == 13) * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.43 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1009.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 878.4 MB in the end (delta: 209.8 MB). Peak memory consumption was 209.8 MB. Max. memory is 11.5 GB. * CodeCheck took 388035.73 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 737.1 MB). Free memory was 878.4 MB in the beginning and 790.4 MB in the end (delta: 88.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 85.35 ms. Allocated memory is still 1.9 GB. Free memory was 790.4 MB in the beginning and 769.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...