./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_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_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/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 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:38:11,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:38:11,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:38:11,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:38:11,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:38:11,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:38:11,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:38:11,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:38:11,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:38:11,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:38:11,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:38:11,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:38:11,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:38:11,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:38:11,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:38:11,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:38:11,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:38:11,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:38:11,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:38:11,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:38:11,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:38:11,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:38:11,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:38:11,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:38:11,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:38:11,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:38:11,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:38:11,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:38:11,619 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:38:11,619 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:38:11,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:38:11,620 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:38:11,620 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:38:11,620 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:38:11,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:38:11,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:38:11,621 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:38:11,628 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:38:11,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:38:11,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:38:11,629 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:38:11,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:38:11,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:38:11,630 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:38:11,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:38:11,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:38:11,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:38:11,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:38:11,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:38:11,631 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:38:11,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:38:11,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:38:11,631 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_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/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 -> 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b [2018-12-02 02:38:11,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:38:11,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:38:11,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:38:11,657 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:38:11,658 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:38:11,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-12-02 02:38:11,694 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/data/c7cd3bf51/43dec3871ac549f8a7788f86b1eb7fbe/FLAGb5d42172a [2018-12-02 02:38:12,170 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:38:12,170 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-12-02 02:38:12,179 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/data/c7cd3bf51/43dec3871ac549f8a7788f86b1eb7fbe/FLAGb5d42172a [2018-12-02 02:38:12,191 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/data/c7cd3bf51/43dec3871ac549f8a7788f86b1eb7fbe [2018-12-02 02:38:12,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:38:12,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:38:12,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:38:12,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:38:12,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:38:12,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12, skipping insertion in model container [2018-12-02 02:38:12,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:38:12,238 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:38:12,446 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:38:12,449 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:38:12,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:38:12,553 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:38:12,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12 WrapperNode [2018-12-02 02:38:12,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:38:12,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:38:12,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:38:12,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:38:12,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:38:12,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:38:12,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:38:12,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:38:12,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... [2018-12-02 02:38:12,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:38:12,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:38:12,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:38:12,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:38:12,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/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 02:38:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:38:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:38:13,679 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:38:13,680 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:38:13,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:13 BoogieIcfgContainer [2018-12-02 02:38:13,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:38:13,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:38:13,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:38:13,689 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:38:13,690 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:13" (1/1) ... [2018-12-02 02:38:13,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:38:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 02:38:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 02:38:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 02:38:13,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:13,925 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 02:38:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-02 02:38:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-02 02:38:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 02:38:14,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:14,284 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 02:38:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2018-12-02 02:38:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2018-12-02 02:38:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 02:38:14,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-12-02 02:38:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-12-02 02:38:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 02:38:14,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:38:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2018-12-02 02:38:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-12-02 02:38:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 02:38:14,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2018-12-02 02:38:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-12-02 02:38:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 02:38:14,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:38:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-02 02:38:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-02 02:38:15,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 02:38:15,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2018-12-02 02:38:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-12-02 02:38:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 02:38:15,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-02 02:38:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-02 02:38:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 02:38:15,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:15,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 191 states and 307 transitions. [2018-12-02 02:38:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2018-12-02 02:38:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 02:38:15,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 200 states and 325 transitions. [2018-12-02 02:38:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 325 transitions. [2018-12-02 02:38:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 02:38:16,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 201 states and 327 transitions. [2018-12-02 02:38:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 327 transitions. [2018-12-02 02:38:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 02:38:16,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2018-12-02 02:38:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-12-02 02:38:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:38:16,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:38:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 203 states and 330 transitions. [2018-12-02 02:38:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 330 transitions. [2018-12-02 02:38:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 02:38:16,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 347 transitions. [2018-12-02 02:38:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 347 transitions. [2018-12-02 02:38:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 02:38:16,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 217 states and 350 transitions. [2018-12-02 02:38:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 350 transitions. [2018-12-02 02:38:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 02:38:16,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:38:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 219 states and 351 transitions. [2018-12-02 02:38:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 351 transitions. [2018-12-02 02:38:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 02:38:16,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 224 states and 356 transitions. [2018-12-02 02:38:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 356 transitions. [2018-12-02 02:38:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 02:38:17,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 230 states and 366 transitions. [2018-12-02 02:38:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 366 transitions. [2018-12-02 02:38:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 02:38:17,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 236 states and 376 transitions. [2018-12-02 02:38:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 376 transitions. [2018-12-02 02:38:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 02:38:17,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 241 states and 381 transitions. [2018-12-02 02:38:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 381 transitions. [2018-12-02 02:38:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 02:38:17,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 243 states and 382 transitions. [2018-12-02 02:38:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 382 transitions. [2018-12-02 02:38:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 02:38:18,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:38:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 254 states and 392 transitions. [2018-12-02 02:38:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 392 transitions. [2018-12-02 02:38:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 02:38:18,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 278 states and 426 transitions. [2018-12-02 02:38:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2018-12-02 02:38:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 02:38:19,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 280 states and 431 transitions. [2018-12-02 02:38:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2018-12-02 02:38:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 02:38:19,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 283 states and 434 transitions. [2018-12-02 02:38:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2018-12-02 02:38:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 02:38:19,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 298 states and 451 transitions. [2018-12-02 02:38:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 451 transitions. [2018-12-02 02:38:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 02:38:19,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 301 states and 454 transitions. [2018-12-02 02:38:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 454 transitions. [2018-12-02 02:38:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 02:38:19,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 326 states and 489 transitions. [2018-12-02 02:38:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 489 transitions. [2018-12-02 02:38:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 02:38:20,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:20,986 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 02:38:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 337 states and 501 transitions. [2018-12-02 02:38:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 501 transitions. [2018-12-02 02:38:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:21,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 362 states and 545 transitions. [2018-12-02 02:38:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 545 transitions. [2018-12-02 02:38:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:24,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 367 states and 552 transitions. [2018-12-02 02:38:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 552 transitions. [2018-12-02 02:38:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:24,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 368 states and 554 transitions. [2018-12-02 02:38:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 554 transitions. [2018-12-02 02:38:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:25,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 379 states and 567 transitions. [2018-12-02 02:38:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 567 transitions. [2018-12-02 02:38:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:25,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 380 states and 568 transitions. [2018-12-02 02:38:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 568 transitions. [2018-12-02 02:38:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:26,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 390 states and 579 transitions. [2018-12-02 02:38:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 579 transitions. [2018-12-02 02:38:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:26,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 391 states and 580 transitions. [2018-12-02 02:38:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 580 transitions. [2018-12-02 02:38:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:38:26,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 393 states and 583 transitions. [2018-12-02 02:38:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 583 transitions. [2018-12-02 02:38:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:38:26,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:29,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 407 states and 607 transitions. [2018-12-02 02:38:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 607 transitions. [2018-12-02 02:38:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 02:38:29,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 418 states and 618 transitions. [2018-12-02 02:38:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 618 transitions. [2018-12-02 02:38:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 02:38:29,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:29,610 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 02:38:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 429 states and 631 transitions. [2018-12-02 02:38:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 631 transitions. [2018-12-02 02:38:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 02:38:31,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 438 states and 642 transitions. [2018-12-02 02:38:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 642 transitions. [2018-12-02 02:38:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:38:32,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 466 states and 674 transitions. [2018-12-02 02:38:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 674 transitions. [2018-12-02 02:38:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:38:34,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 483 states and 703 transitions. [2018-12-02 02:38:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 703 transitions. [2018-12-02 02:38:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:38:36,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 490 states and 710 transitions. [2018-12-02 02:38:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 710 transitions. [2018-12-02 02:38:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:38:36,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 500 states and 720 transitions. [2018-12-02 02:38:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 720 transitions. [2018-12-02 02:38:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:38:36,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 501 states and 720 transitions. [2018-12-02 02:38:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 720 transitions. [2018-12-02 02:38:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 02:38:37,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:37,199 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 02:38:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 510 states and 728 transitions. [2018-12-02 02:38:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 728 transitions. [2018-12-02 02:38:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 02:38:37,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 580 states and 800 transitions. [2018-12-02 02:38:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 800 transitions. [2018-12-02 02:38:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 02:38:38,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 593 states and 816 transitions. [2018-12-02 02:38:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 816 transitions. [2018-12-02 02:38:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 02:38:38,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 597 states and 820 transitions. [2018-12-02 02:38:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 820 transitions. [2018-12-02 02:38:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 02:38:39,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 608 states and 834 transitions. [2018-12-02 02:38:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 834 transitions. [2018-12-02 02:38:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 02:38:39,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 610 states and 835 transitions. [2018-12-02 02:38:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 835 transitions. [2018-12-02 02:38:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 02:38:39,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:38:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 612 states and 836 transitions. [2018-12-02 02:38:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 836 transitions. [2018-12-02 02:38:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 02:38:39,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:38:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 623 states and 849 transitions. [2018-12-02 02:38:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 849 transitions. [2018-12-02 02:38:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 02:38:39,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:38:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 628 states and 853 transitions. [2018-12-02 02:38:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 853 transitions. [2018-12-02 02:38:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 02:38:40,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 632 states and 858 transitions. [2018-12-02 02:38:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 858 transitions. [2018-12-02 02:38:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 02:38:40,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:38:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 638 states and 864 transitions. [2018-12-02 02:38:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 864 transitions. [2018-12-02 02:38:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 02:38:40,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 663 states and 894 transitions. [2018-12-02 02:38:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 894 transitions. [2018-12-02 02:38:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 02:38:41,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 679 states and 916 transitions. [2018-12-02 02:38:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 916 transitions. [2018-12-02 02:38:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 02:38:41,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 686 states and 924 transitions. [2018-12-02 02:38:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 924 transitions. [2018-12-02 02:38:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 02:38:42,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 703 states and 955 transitions. [2018-12-02 02:38:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 955 transitions. [2018-12-02 02:38:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 02:38:43,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:43,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 717 states and 968 transitions. [2018-12-02 02:38:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 968 transitions. [2018-12-02 02:38:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 02:38:43,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:43,841 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 02:38:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 769 states and 1028 transitions. [2018-12-02 02:38:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1028 transitions. [2018-12-02 02:38:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:45,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 773 states and 1031 transitions. [2018-12-02 02:38:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1031 transitions. [2018-12-02 02:38:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:45,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 816 states and 1087 transitions. [2018-12-02 02:38:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1087 transitions. [2018-12-02 02:38:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:50,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 837 states and 1118 transitions. [2018-12-02 02:38:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1118 transitions. [2018-12-02 02:38:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:53,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 846 states and 1127 transitions. [2018-12-02 02:38:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1127 transitions. [2018-12-02 02:38:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:53,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 847 states and 1128 transitions. [2018-12-02 02:38:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1128 transitions. [2018-12-02 02:38:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:54,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 855 states and 1136 transitions. [2018-12-02 02:38:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1136 transitions. [2018-12-02 02:38:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 02:38:54,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:38:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 859 states and 1140 transitions. [2018-12-02 02:38:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1140 transitions. [2018-12-02 02:38:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 02:38:55,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 02:38:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 862 states and 1143 transitions. [2018-12-02 02:38:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1143 transitions. [2018-12-02 02:38:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 02:38:55,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 02:38:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 871 states and 1153 transitions. [2018-12-02 02:38:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1153 transitions. [2018-12-02 02:38:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 02:38:55,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 02:38:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:38:55,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 873 states and 1153 transitions. [2018-12-02 02:38:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1153 transitions. [2018-12-02 02:38:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 02:38:55,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:38:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:38:56,424 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 02:39:00,427 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 02:39:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 938 states and 1220 transitions. [2018-12-02 02:39:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1220 transitions. [2018-12-02 02:39:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 02:39:03,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:39:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 945 states and 1230 transitions. [2018-12-02 02:39:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1230 transitions. [2018-12-02 02:39:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 02:39:03,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:39:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 949 states and 1233 transitions. [2018-12-02 02:39:03,903 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1233 transitions. [2018-12-02 02:39:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 02:39:03,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:39:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 953 states and 1239 transitions. [2018-12-02 02:39:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1239 transitions. [2018-12-02 02:39:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 02:39:04,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:39:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1010 states and 1300 transitions. [2018-12-02 02:39:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1300 transitions. [2018-12-02 02:39:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 02:39:08,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:09,010 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 02:39:11,549 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-02 02:39:12,846 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-02 02:39:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1055 states and 1350 transitions. [2018-12-02 02:39:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1350 transitions. [2018-12-02 02:39:13,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 02:39:13,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:13,998 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 02:39:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1079 states and 1373 transitions. [2018-12-02 02:39:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1373 transitions. [2018-12-02 02:39:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 02:39:14,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 02:39:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1080 states and 1373 transitions. [2018-12-02 02:39:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1373 transitions. [2018-12-02 02:39:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 02:39:14,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:14,883 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 02:39:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1117 states and 1411 transitions. [2018-12-02 02:39:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1411 transitions. [2018-12-02 02:39:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 02:39:16,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:16,178 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 02:39:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1124 states and 1418 transitions. [2018-12-02 02:39:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1418 transitions. [2018-12-02 02:39:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 02:39:16,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 106 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:39:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1135 states and 1434 transitions. [2018-12-02 02:39:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1434 transitions. [2018-12-02 02:39:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 02:39:18,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:18,301 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 02:39:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1165 states and 1470 transitions. [2018-12-02 02:39:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1470 transitions. [2018-12-02 02:39:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 02:39:20,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:20,103 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 02:39:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1195 states and 1505 transitions. [2018-12-02 02:39:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1505 transitions. [2018-12-02 02:39:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 02:39:21,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:39:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1197 states and 1507 transitions. [2018-12-02 02:39:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1507 transitions. [2018-12-02 02:39:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 02:39:22,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 02:39:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1207 states and 1521 transitions. [2018-12-02 02:39:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1521 transitions. [2018-12-02 02:39:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 02:39:23,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:23,842 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 02:39:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1236 states and 1555 transitions. [2018-12-02 02:39:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1555 transitions. [2018-12-02 02:39:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 02:39:27,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:39:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1248 states and 1568 transitions. [2018-12-02 02:39:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1568 transitions. [2018-12-02 02:39:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 02:39:28,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:39:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1249 states and 1568 transitions. [2018-12-02 02:39:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1568 transitions. [2018-12-02 02:39:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 02:39:29,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:39:33,316 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-02 02:39:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1300 states and 1628 transitions. [2018-12-02 02:39:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1628 transitions. [2018-12-02 02:39:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 02:39:37,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:39:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1311 states and 1638 transitions. [2018-12-02 02:39:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1638 transitions. [2018-12-02 02:39:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 02:39:37,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:39:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1341 states and 1672 transitions. [2018-12-02 02:39:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1672 transitions. [2018-12-02 02:39:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 02:39:39,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:39:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1351 states and 1683 transitions. [2018-12-02 02:39:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1683 transitions. [2018-12-02 02:39:41,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 02:39:41,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:39:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1356 states and 1689 transitions. [2018-12-02 02:39:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1689 transitions. [2018-12-02 02:39:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 02:39:41,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:39:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1366 states and 1698 transitions. [2018-12-02 02:39:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1698 transitions. [2018-12-02 02:39:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 02:39:42,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:42,919 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 02:39:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1406 states and 1744 transitions. [2018-12-02 02:39:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1744 transitions. [2018-12-02 02:39:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 02:39:44,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 02:39:47,645 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 02:39:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1454 states and 1795 transitions. [2018-12-02 02:39:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1795 transitions. [2018-12-02 02:39:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 02:39:50,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 02:39:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1461 states and 1806 transitions. [2018-12-02 02:39:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1806 transitions. [2018-12-02 02:39:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 02:39:51,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 02:39:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1462 states and 1806 transitions. [2018-12-02 02:39:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1806 transitions. [2018-12-02 02:39:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 02:39:51,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 02:39:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1487 states and 1829 transitions. [2018-12-02 02:39:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1829 transitions. [2018-12-02 02:39:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 02:39:51,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 02:39:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1491 states and 1834 transitions. [2018-12-02 02:39:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1834 transitions. [2018-12-02 02:39:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 02:39:52,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:53,681 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 02:39:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1538 states and 1886 transitions. [2018-12-02 02:39:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1886 transitions. [2018-12-02 02:39:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 02:39:56,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:39:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:39:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1542 states and 1891 transitions. [2018-12-02 02:39:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1891 transitions. [2018-12-02 02:39:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 02:39:57,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:39:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:39:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:40:03,365 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 02:40:03,862 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 02:40:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1602 states and 1953 transitions. [2018-12-02 02:40:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1953 transitions. [2018-12-02 02:40:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 02:40:07,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:40:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1603 states and 1953 transitions. [2018-12-02 02:40:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1953 transitions. [2018-12-02 02:40:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 02:40:08,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:09,016 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 02:40:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1607 states and 1959 transitions. [2018-12-02 02:40:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1959 transitions. [2018-12-02 02:40:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 02:40:10,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:10,892 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 02:40:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1677 states and 2038 transitions. [2018-12-02 02:40:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2038 transitions. [2018-12-02 02:40:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 02:40:12,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 02:40:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1798 states and 2171 transitions. [2018-12-02 02:40:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2171 transitions. [2018-12-02 02:40:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 02:40:16,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 02:40:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1817 states and 2189 transitions. [2018-12-02 02:40:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2189 transitions. [2018-12-02 02:40:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 02:40:17,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 02:40:20,299 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-12-02 02:40:21,185 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-02 02:40:22,352 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 02:40:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1857 states and 2229 transitions. [2018-12-02 02:40:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2229 transitions. [2018-12-02 02:40:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 02:40:26,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 02:40:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1896 states and 2268 transitions. [2018-12-02 02:40:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2268 transitions. [2018-12-02 02:40:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 02:40:26,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 236 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 02:40:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1907 states and 2287 transitions. [2018-12-02 02:40:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2287 transitions. [2018-12-02 02:40:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 02:40:28,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 02:40:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1917 states and 2301 transitions. [2018-12-02 02:40:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2301 transitions. [2018-12-02 02:40:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 02:40:29,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:40:32,654 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 02:40:34,955 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-02 02:40:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1942 states and 2329 transitions. [2018-12-02 02:40:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2329 transitions. [2018-12-02 02:40:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:37,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 02:40:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1950 states and 2339 transitions. [2018-12-02 02:40:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2339 transitions. [2018-12-02 02:40:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:39,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1972 states and 2373 transitions. [2018-12-02 02:40:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2373 transitions. [2018-12-02 02:40:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:45,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 1988 states and 2391 transitions. [2018-12-02 02:40:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2391 transitions. [2018-12-02 02:40:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:47,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1990 states and 2392 transitions. [2018-12-02 02:40:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2392 transitions. [2018-12-02 02:40:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:49,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2006 states and 2410 transitions. [2018-12-02 02:40:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2410 transitions. [2018-12-02 02:40:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:54,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2007 states and 2410 transitions. [2018-12-02 02:40:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2410 transitions. [2018-12-02 02:40:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 02:40:55,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 02:40:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:40:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2008 states and 2410 transitions. [2018-12-02 02:40:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2410 transitions. [2018-12-02 02:40:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-02 02:40:56,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:40:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:40:59,505 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-02 02:41:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 02:41:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2012 states and 2416 transitions. [2018-12-02 02:41:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2416 transitions. [2018-12-02 02:41:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 02:41:04,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 02:41:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2030 states and 2432 transitions. [2018-12-02 02:41:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2432 transitions. [2018-12-02 02:41:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 02:41:07,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:41:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2056 states and 2461 transitions. [2018-12-02 02:41:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2461 transitions. [2018-12-02 02:41:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 02:41:10,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:41:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2058 states and 2464 transitions. [2018-12-02 02:41:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2464 transitions. [2018-12-02 02:41:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 02:41:10,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:41:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2069 states and 2474 transitions. [2018-12-02 02:41:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2474 transitions. [2018-12-02 02:41:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 02:41:12,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 235 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:41:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2079 states and 2485 transitions. [2018-12-02 02:41:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2485 transitions. [2018-12-02 02:41:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 02:41:15,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 02:41:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2080 states and 2485 transitions. [2018-12-02 02:41:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2485 transitions. [2018-12-02 02:41:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 02:41:16,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 02:41:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2168 states and 2585 transitions. [2018-12-02 02:41:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2585 transitions. [2018-12-02 02:41:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 02:41:19,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 02:41:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2169 states and 2585 transitions. [2018-12-02 02:41:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2585 transitions. [2018-12-02 02:41:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:41:19,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 02:41:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2188 states and 2619 transitions. [2018-12-02 02:41:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2619 transitions. [2018-12-02 02:41:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:41:25,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 02:41:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2198 states and 2632 transitions. [2018-12-02 02:41:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2632 transitions. [2018-12-02 02:41:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:41:26,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 02:41:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2200 states and 2634 transitions. [2018-12-02 02:41:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2634 transitions. [2018-12-02 02:41:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:41:27,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 02:41:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2204 states and 2638 transitions. [2018-12-02 02:41:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2638 transitions. [2018-12-02 02:41:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 02:41:27,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 02:41:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2208 states and 2641 transitions. [2018-12-02 02:41:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2641 transitions. [2018-12-02 02:41:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 02:41:27,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 02:41:30,919 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 02:41:33,984 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 02:41:39,039 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 02:41:41,265 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 02:41:42,772 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 02:41:43,711 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 02:41:45,028 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 02:41:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2256 states and 2688 transitions. [2018-12-02 02:41:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2688 transitions. [2018-12-02 02:41:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 02:41:46,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 02:41:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2262 states and 2693 transitions. [2018-12-02 02:41:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2693 transitions. [2018-12-02 02:41:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 02:41:46,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 02:41:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2298 states and 2728 transitions. [2018-12-02 02:41:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2728 transitions. [2018-12-02 02:41:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 02:41:51,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 02:41:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2300 states and 2729 transitions. [2018-12-02 02:41:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2729 transitions. [2018-12-02 02:41:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 02:41:51,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 02:41:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2310 states and 2738 transitions. [2018-12-02 02:41:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2738 transitions. [2018-12-02 02:41:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 02:41:51,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 02:41:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2346 states and 2785 transitions. [2018-12-02 02:41:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2785 transitions. [2018-12-02 02:41:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 02:41:55,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 02:42:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2363 states and 2808 transitions. [2018-12-02 02:42:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2808 transitions. [2018-12-02 02:42:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 02:42:03,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 02:42:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2364 states and 2808 transitions. [2018-12-02 02:42:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2808 transitions. [2018-12-02 02:42:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 02:42:04,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 02:42:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2365 states and 2808 transitions. [2018-12-02 02:42:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2808 transitions. [2018-12-02 02:42:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 02:42:05,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-02 02:42:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2377 states and 2827 transitions. [2018-12-02 02:42:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2827 transitions. [2018-12-02 02:42:07,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 02:42:07,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-02 02:42:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2381 states and 2831 transitions. [2018-12-02 02:42:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2831 transitions. [2018-12-02 02:42:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 02:42:08,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-02 02:42:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2386 states and 2840 transitions. [2018-12-02 02:42:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2840 transitions. [2018-12-02 02:42:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 02:42:14,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-02 02:42:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2387 states and 2841 transitions. [2018-12-02 02:42:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2841 transitions. [2018-12-02 02:42:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 02:42:15,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 02:42:21,182 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-02 02:42:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2426 states and 2890 transitions. [2018-12-02 02:42:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2890 transitions. [2018-12-02 02:42:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 02:42:28,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 02:42:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2427 states and 2891 transitions. [2018-12-02 02:42:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2891 transitions. [2018-12-02 02:42:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 02:42:28,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 02:42:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2444 states and 2910 transitions. [2018-12-02 02:42:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2910 transitions. [2018-12-02 02:42:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 02:42:38,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 02:42:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2445 states and 2910 transitions. [2018-12-02 02:42:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2910 transitions. [2018-12-02 02:42:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 02:42:39,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 02:42:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2450 states and 2917 transitions. [2018-12-02 02:42:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2917 transitions. [2018-12-02 02:42:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 02:42:42,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:46,650 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 02:42:47,926 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 02:42:50,979 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 02:43:20,445 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 02:43:25,122 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 02:43:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2450 states and 2956 transitions. [2018-12-02 02:43:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2956 transitions. [2018-12-02 02:43:26,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:43:26,671 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 157 iterations. [2018-12-02 02:43:26,678 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:43:26,790 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2018-12-02 02:43:27,090 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2018-12-02 02:43:27,417 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2018-12-02 02:43:27,644 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 46 [2018-12-02 02:43:27,764 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2018-12-02 02:43:27,937 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-02 02:43:28,159 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2018-12-02 02:43:28,325 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 25 [2018-12-02 02:43:28,449 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2018-12-02 02:43:28,619 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-02 02:43:28,833 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-02 02:43:28,975 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 02:43:29,171 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 30 [2018-12-02 02:43:29,468 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-12-02 02:43:29,782 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-12-02 02:43:29,971 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 46 [2018-12-02 02:43:30,819 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 32 [2018-12-02 02:43:31,043 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-02 02:43:31,291 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 32 [2018-12-02 02:43:31,549 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 46 [2018-12-02 02:43:31,684 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 32 [2018-12-02 02:43:31,941 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 28 [2018-12-02 02:43:32,054 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2018-12-02 02:43:32,659 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 54 [2018-12-02 02:43:33,039 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 71 [2018-12-02 02:43:33,604 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 49 [2018-12-02 02:43:33,874 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2018-12-02 02:43:34,095 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-12-02 02:43:34,251 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2018-12-02 02:43:34,509 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 35 [2018-12-02 02:43:34,509 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:43:34,511 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-02 02:43:34,518 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-02 02:43:34,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:43:34 ImpRootNode [2018-12-02 02:43:34,519 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:43:34,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:43:34,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:43:34,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:43:34,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:13" (3/4) ... [2018-12-02 02:43:34,524 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:43:34,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 02:43:34,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 02:43:34,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:43:34,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1939c35c-bd4b-442c-8ba0-61cfcb2b9aae/bin-2019/ukojak/witness.graphml [2018-12-02 02:43:34,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:43:34,594 INFO L168 Benchmark]: Toolchain (without parser) took 322399.47 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 945.2 MB in the beginning and 620.4 MB in the end (delta: 324.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,595 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:43:34,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,595 INFO L168 Benchmark]: Boogie Preprocessor took 30.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,595 INFO L168 Benchmark]: RCFGBuilder took 1053.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 201.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,596 INFO L168 Benchmark]: CodeCheck took 320838.48 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 950.5 MB). Free memory was 896.2 MB in the beginning and 642.3 MB in the end (delta: 253.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,596 INFO L168 Benchmark]: Witness Printer took 74.01 ms. Allocated memory is still 2.1 GB. Free memory was 642.3 MB in the beginning and 620.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:43:34,597 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, 312.9s OverallTime, 157 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -234847972 SDtfs, 1238966350 SDslu, -1409087836 SDs, 0 SdLazy, -1979006882 SolverSat, 116919944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 696.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179107 GetRequests, 174364 SyntacticMatches, 2895 SemanticMatches, 1848 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2481723 ImplicationChecksByTransitivity, 288.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 26197 NumberOfCodeBlocks, 26197 NumberOfCodeBlocksAsserted, 156 NumberOfCheckSat, 26041 ConstructedInterpolants, 0 QuantifiedInterpolants, 20621507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 156 InterpolantComputations, 123 PerfectInterpolantSequences, 27562/28457 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: 455]: 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) || a17 == 1) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a17 == 1) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1053.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 201.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. * CodeCheck took 320838.48 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 950.5 MB). Free memory was 896.2 MB in the beginning and 642.3 MB in the end (delta: 253.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 74.01 ms. Allocated memory is still 2.1 GB. Free memory was 642.3 MB in the beginning and 620.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...