./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_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_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/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 eb8eeb6e67f290f9d56e698aa8c9c7a779115813 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:14:16,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:14:16,695 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:14:16,701 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:14:16,701 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:14:16,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:14:16,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:14:16,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:14:16,704 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:14:16,704 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:14:16,705 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:14:16,705 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:14:16,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:14:16,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:14:16,706 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:14:16,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:14:16,707 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:14:16,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:14:16,709 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:14:16,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:14:16,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:14:16,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:14:16,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:14:16,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:14:16,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:14:16,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:14:16,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:14:16,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:14:16,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:14:16,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:14:16,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:14:16,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:14:16,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:14:16,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:14:16,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:14:16,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:14:16,717 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 15:14:16,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:14:16,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:14:16,725 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:14:16,725 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:14:16,725 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:14:16,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:14:16,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:14:16,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:14:16,726 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:14:16,727 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:14:16,727 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:14:16,727 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:14:16,727 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:14:16,727 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:14:16,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:14:16,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:14:16,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:14:16,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:14:16,728 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 15:14:16,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:14:16,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:14:16,728 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_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/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 -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813 [2018-12-02 15:14:16,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:14:16,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:14:16,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:14:16,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:14:16,754 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:14:16,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-12-02 15:14:16,795 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/data/52e298efa/c7bfe62a85854b73ad27a0a65e269114/FLAGf448ef838 [2018-12-02 15:14:17,257 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:14:17,258 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-12-02 15:14:17,265 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/data/52e298efa/c7bfe62a85854b73ad27a0a65e269114/FLAGf448ef838 [2018-12-02 15:14:17,273 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/data/52e298efa/c7bfe62a85854b73ad27a0a65e269114 [2018-12-02 15:14:17,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:14:17,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:14:17,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:14:17,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:14:17,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:14:17,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17, skipping insertion in model container [2018-12-02 15:14:17,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:14:17,309 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:14:17,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:14:17,488 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:14:17,573 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:14:17,583 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:14:17,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17 WrapperNode [2018-12-02 15:14:17,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:14:17,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:14:17,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:14:17,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:14:17,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:14:17,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:14:17,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:14:17,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:14:17,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... [2018-12-02 15:14:17,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:14:17,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:14:17,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:14:17,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:14:17,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/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 15:14:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:14:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:14:18,662 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:14:18,662 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 15:14:18,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:18 BoogieIcfgContainer [2018-12-02 15:14:18,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:14:18,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:14:18,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:14:18,673 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:14:18,673 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:18" (1/1) ... [2018-12-02 15:14:18,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:14:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 15:14:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 15:14:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 15:14:18,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:18,925 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 15:14:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-02 15:14:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-02 15:14:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 15:14:19,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-02 15:14:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-02 15:14:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 15:14:19,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:19,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-02 15:14:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-02 15:14:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 15:14:19,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 15:14:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-12-02 15:14:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-12-02 15:14:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 15:14:20,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:20,048 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 15:14:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-12-02 15:14:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-12-02 15:14:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 15:14:20,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 15:14:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-12-02 15:14:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-12-02 15:14:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 15:14:20,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:20,938 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 15:14:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-12-02 15:14:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-12-02 15:14:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:14:20,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 278 states and 395 transitions. [2018-12-02 15:14:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 395 transitions. [2018-12-02 15:14:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:14:21,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 284 states and 404 transitions. [2018-12-02 15:14:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 404 transitions. [2018-12-02 15:14:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:14:21,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 287 states and 408 transitions. [2018-12-02 15:14:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 408 transitions. [2018-12-02 15:14:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:14:21,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-12-02 15:14:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-12-02 15:14:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 15:14:22,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 15:14:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-12-02 15:14:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-12-02 15:14:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 15:14:22,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 304 states and 429 transitions. [2018-12-02 15:14:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 429 transitions. [2018-12-02 15:14:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 15:14:22,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 307 states and 433 transitions. [2018-12-02 15:14:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 433 transitions. [2018-12-02 15:14:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 15:14:22,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-12-02 15:14:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-12-02 15:14:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 15:14:22,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-12-02 15:14:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-12-02 15:14:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 15:14:22,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 317 states and 447 transitions. [2018-12-02 15:14:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 447 transitions. [2018-12-02 15:14:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:23,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 329 states and 463 transitions. [2018-12-02 15:14:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 463 transitions. [2018-12-02 15:14:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:24,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 15:14:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 332 states and 466 transitions. [2018-12-02 15:14:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 466 transitions. [2018-12-02 15:14:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 15:14:24,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:24,246 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 15:14:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 346 states and 480 transitions. [2018-12-02 15:14:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 480 transitions. [2018-12-02 15:14:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 15:14:24,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 391 states and 529 transitions. [2018-12-02 15:14:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 529 transitions. [2018-12-02 15:14:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 15:14:24,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 15:14:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 398 states and 538 transitions. [2018-12-02 15:14:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 538 transitions. [2018-12-02 15:14:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 15:14:24,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:14:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 416 states and 558 transitions. [2018-12-02 15:14:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 558 transitions. [2018-12-02 15:14:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 15:14:25,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 15:14:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 444 states and 600 transitions. [2018-12-02 15:14:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 600 transitions. [2018-12-02 15:14:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 15:14:26,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 15:14:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 445 states and 600 transitions. [2018-12-02 15:14:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 600 transitions. [2018-12-02 15:14:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 15:14:27,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 15:14:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 449 states and 603 transitions. [2018-12-02 15:14:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 603 transitions. [2018-12-02 15:14:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 15:14:27,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:27,727 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 15:14:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 514 states and 670 transitions. [2018-12-02 15:14:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 670 transitions. [2018-12-02 15:14:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 15:14:28,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:14:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 569 states and 730 transitions. [2018-12-02 15:14:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 730 transitions. [2018-12-02 15:14:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 15:14:32,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:32,711 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 15:14:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 637 states and 813 transitions. [2018-12-02 15:14:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 813 transitions. [2018-12-02 15:14:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 15:14:35,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:35,132 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 15:14:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 645 states and 821 transitions. [2018-12-02 15:14:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2018-12-02 15:14:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 15:14:35,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:14:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 646 states and 821 transitions. [2018-12-02 15:14:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 821 transitions. [2018-12-02 15:14:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 15:14:35,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:35,922 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 15:14:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 715 states and 895 transitions. [2018-12-02 15:14:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 895 transitions. [2018-12-02 15:14:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 15:14:36,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 15:14:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 720 states and 904 transitions. [2018-12-02 15:14:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 904 transitions. [2018-12-02 15:14:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 15:14:37,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 15:14:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 726 states and 911 transitions. [2018-12-02 15:14:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 911 transitions. [2018-12-02 15:14:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 15:14:38,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 15:14:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 729 states and 914 transitions. [2018-12-02 15:14:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 914 transitions. [2018-12-02 15:14:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 15:14:38,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:14:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 798 states and 984 transitions. [2018-12-02 15:14:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 984 transitions. [2018-12-02 15:14:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 15:14:39,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:14:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:40,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 820 states and 1012 transitions. [2018-12-02 15:14:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1012 transitions. [2018-12-02 15:14:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 15:14:40,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:14:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 824 states and 1017 transitions. [2018-12-02 15:14:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1017 transitions. [2018-12-02 15:14:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 15:14:40,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:14:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 829 states and 1022 transitions. [2018-12-02 15:14:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1022 transitions. [2018-12-02 15:14:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:14:41,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 15:14:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 840 states and 1038 transitions. [2018-12-02 15:14:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1038 transitions. [2018-12-02 15:14:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:14:42,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 15:14:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 842 states and 1039 transitions. [2018-12-02 15:14:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1039 transitions. [2018-12-02 15:14:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:14:42,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 15:14:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 844 states and 1042 transitions. [2018-12-02 15:14:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1042 transitions. [2018-12-02 15:14:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 15:14:42,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 15:14:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 846 states and 1044 transitions. [2018-12-02 15:14:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1044 transitions. [2018-12-02 15:14:42,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 15:14:42,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:43,246 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 15:14:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 911 states and 1121 transitions. [2018-12-02 15:14:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1121 transitions. [2018-12-02 15:14:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 15:14:47,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,336 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 15:14:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 918 states and 1131 transitions. [2018-12-02 15:14:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1131 transitions. [2018-12-02 15:14:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 15:14:48,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:48,127 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 15:14:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 935 states and 1150 transitions. [2018-12-02 15:14:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1150 transitions. [2018-12-02 15:14:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 15:14:49,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:14:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 944 states and 1169 transitions. [2018-12-02 15:14:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1169 transitions. [2018-12-02 15:14:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 15:14:52,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:14:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 948 states and 1175 transitions. [2018-12-02 15:14:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1175 transitions. [2018-12-02 15:14:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 15:14:54,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:54,078 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 15:14:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 951 states and 1179 transitions. [2018-12-02 15:14:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1179 transitions. [2018-12-02 15:14:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 15:14:54,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:14:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 996 states and 1231 transitions. [2018-12-02 15:14:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1231 transitions. [2018-12-02 15:14:56,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 15:14:56,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:14:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1002 states and 1238 transitions. [2018-12-02 15:14:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1238 transitions. [2018-12-02 15:14:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:14:56,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:57,980 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 15:15:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1071 states and 1327 transitions. [2018-12-02 15:15:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1327 transitions. [2018-12-02 15:15:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:15:03,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:03,540 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 15:15:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1090 states and 1348 transitions. [2018-12-02 15:15:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1348 transitions. [2018-12-02 15:15:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:15:05,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:05,241 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 15:15:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1092 states and 1350 transitions. [2018-12-02 15:15:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1350 transitions. [2018-12-02 15:15:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 15:15:05,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 15:15:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1133 states and 1395 transitions. [2018-12-02 15:15:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1395 transitions. [2018-12-02 15:15:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 15:15:08,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 15:15:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1147 states and 1409 transitions. [2018-12-02 15:15:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1409 transitions. [2018-12-02 15:15:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 15:15:08,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:10,238 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 15:15:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1151 states and 1416 transitions. [2018-12-02 15:15:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1416 transitions. [2018-12-02 15:15:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 15:15:14,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:14,261 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 15:15:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1154 states and 1420 transitions. [2018-12-02 15:15:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1420 transitions. [2018-12-02 15:15:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 15:15:15,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:15,307 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 15:15:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1224 states and 1493 transitions. [2018-12-02 15:15:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1493 transitions. [2018-12-02 15:15:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-02 15:15:16,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1248 states and 1522 transitions. [2018-12-02 15:15:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1522 transitions. [2018-12-02 15:15:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-02 15:15:18,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1250 states and 1524 transitions. [2018-12-02 15:15:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1524 transitions. [2018-12-02 15:15:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 15:15:19,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:15:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1275 states and 1549 transitions. [2018-12-02 15:15:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1549 transitions. [2018-12-02 15:15:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 15:15:20,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 15:15:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1323 states and 1602 transitions. [2018-12-02 15:15:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1602 transitions. [2018-12-02 15:15:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 15:15:26,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 15:15:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1323 states and 1601 transitions. [2018-12-02 15:15:26,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1601 transitions. [2018-12-02 15:15:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 15:15:26,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:15:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1341 states and 1623 transitions. [2018-12-02 15:15:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1623 transitions. [2018-12-02 15:15:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 15:15:29,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:15:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1357 states and 1643 transitions. [2018-12-02 15:15:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1643 transitions. [2018-12-02 15:15:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 15:15:31,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:15:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1359 states and 1644 transitions. [2018-12-02 15:15:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1644 transitions. [2018-12-02 15:15:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-02 15:15:31,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 15:15:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1429 states and 1717 transitions. [2018-12-02 15:15:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1717 transitions. [2018-12-02 15:15:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 15:15:32,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:15:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1436 states and 1725 transitions. [2018-12-02 15:15:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1725 transitions. [2018-12-02 15:15:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 15:15:33,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1463 states and 1762 transitions. [2018-12-02 15:15:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1762 transitions. [2018-12-02 15:15:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 15:15:39,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1482 states and 1783 transitions. [2018-12-02 15:15:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1783 transitions. [2018-12-02 15:15:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 15:15:41,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1484 states and 1785 transitions. [2018-12-02 15:15:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1785 transitions. [2018-12-02 15:15:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 15:15:42,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1516 states and 1822 transitions. [2018-12-02 15:15:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1822 transitions. [2018-12-02 15:15:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 15:15:49,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1526 states and 1830 transitions. [2018-12-02 15:15:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1830 transitions. [2018-12-02 15:15:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-02 15:15:52,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 15:15:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1541 states and 1844 transitions. [2018-12-02 15:15:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1844 transitions. [2018-12-02 15:15:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 15:15:53,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 15:16:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1633 states and 1967 transitions. [2018-12-02 15:16:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1967 transitions. [2018-12-02 15:16:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 15:16:09,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 15:16:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1664 states and 2001 transitions. [2018-12-02 15:16:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2001 transitions. [2018-12-02 15:16:16,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 15:16:16,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 15:16:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1674 states and 2014 transitions. [2018-12-02 15:16:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2014 transitions. [2018-12-02 15:16:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 15:16:19,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 15:16:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:20,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1679 states and 2019 transitions. [2018-12-02 15:16:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2019 transitions. [2018-12-02 15:16:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:16:20,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:16:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1695 states and 2038 transitions. [2018-12-02 15:16:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2038 transitions. [2018-12-02 15:16:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:16:24,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:16:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1700 states and 2046 transitions. [2018-12-02 15:16:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2046 transitions. [2018-12-02 15:16:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 15:16:25,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:16:36,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1764 states and 2121 transitions. [2018-12-02 15:16:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2121 transitions. [2018-12-02 15:16:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 15:16:36,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:16:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1772 states and 2129 transitions. [2018-12-02 15:16:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2129 transitions. [2018-12-02 15:16:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 15:16:37,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:16:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1796 states and 2152 transitions. [2018-12-02 15:16:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2152 transitions. [2018-12-02 15:16:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 15:16:37,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:40,447 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 15:16:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1828 states and 2186 transitions. [2018-12-02 15:16:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2186 transitions. [2018-12-02 15:16:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 15:16:51,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 15:17:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1878 states and 2243 transitions. [2018-12-02 15:17:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2243 transitions. [2018-12-02 15:17:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 15:17:07,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 15:17:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1883 states and 2248 transitions. [2018-12-02 15:17:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2248 transitions. [2018-12-02 15:17:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 15:17:09,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 15:17:18,010 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2018-12-02 15:17:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1931 states and 2297 transitions. [2018-12-02 15:17:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2297 transitions. [2018-12-02 15:17:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-02 15:17:26,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 15:17:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2003 states and 2372 transitions. [2018-12-02 15:17:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2372 transitions. [2018-12-02 15:17:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 15:17:29,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:17:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2005 states and 2374 transitions. [2018-12-02 15:17:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2374 transitions. [2018-12-02 15:17:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 15:17:30,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-02 15:17:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2008 states and 2378 transitions. [2018-12-02 15:17:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2378 transitions. [2018-12-02 15:17:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 15:17:32,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 15:17:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2061 states and 2441 transitions. [2018-12-02 15:17:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2441 transitions. [2018-12-02 15:17:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 15:17:44,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 15:17:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2069 states and 2447 transitions. [2018-12-02 15:17:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2447 transitions. [2018-12-02 15:17:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 15:17:46,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:17:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2081 states and 2461 transitions. [2018-12-02 15:17:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2461 transitions. [2018-12-02 15:17:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 15:17:50,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:17:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2086 states and 2465 transitions. [2018-12-02 15:17:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2465 transitions. [2018-12-02 15:17:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 15:17:52,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:17:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2089 states and 2468 transitions. [2018-12-02 15:17:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2468 transitions. [2018-12-02 15:17:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:53,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 15:17:57,840 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 15:18:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2116 states and 2498 transitions. [2018-12-02 15:18:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2498 transitions. [2018-12-02 15:18:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:18:06,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 15:18:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2117 states and 2498 transitions. [2018-12-02 15:18:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2498 transitions. [2018-12-02 15:18:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 15:18:07,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 15:18:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2165 states and 2548 transitions. [2018-12-02 15:18:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2548 transitions. [2018-12-02 15:18:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 15:18:17,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 15:18:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2234 states and 2620 transitions. [2018-12-02 15:18:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2620 transitions. [2018-12-02 15:18:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-02 15:18:20,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 15:18:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2362 states and 2760 transitions. [2018-12-02 15:18:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2760 transitions. [2018-12-02 15:18:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 15:18:32,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 15:18:42,474 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 15:18:44,088 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 15:18:45,433 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 15:18:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2405 states and 2806 transitions. [2018-12-02 15:18:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2806 transitions. [2018-12-02 15:18:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 15:18:49,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 15:18:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2428 states and 2828 transitions. [2018-12-02 15:18:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2828 transitions. [2018-12-02 15:18:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 15:18:55,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 15:18:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2434 states and 2833 transitions. [2018-12-02 15:18:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2833 transitions. [2018-12-02 15:18:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 15:18:56,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:59,981 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 15:19:01,622 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 15:19:02,878 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 15:19:03,939 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 15:19:05,126 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 15:19:06,285 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 15:19:08,777 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:19:11,022 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:19:11,773 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:19:12,679 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:19:15,818 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 15:19:17,813 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 15:19:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2474 states and 2877 transitions. [2018-12-02 15:19:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2877 transitions. [2018-12-02 15:19:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 15:19:20,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:20,526 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 15:19:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2476 states and 2878 transitions. [2018-12-02 15:19:21,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2878 transitions. [2018-12-02 15:19:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 15:19:21,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:22,130 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 15:19:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2482 states and 2883 transitions. [2018-12-02 15:19:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2883 transitions. [2018-12-02 15:19:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 15:19:23,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-02 15:19:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2487 states and 2895 transitions. [2018-12-02 15:19:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2895 transitions. [2018-12-02 15:19:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:24,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:24,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2557 states and 2975 transitions. [2018-12-02 15:19:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2975 transitions. [2018-12-02 15:19:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:32,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2626 states and 3050 transitions. [2018-12-02 15:19:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3050 transitions. [2018-12-02 15:19:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:39,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2674 states and 3102 transitions. [2018-12-02 15:19:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3102 transitions. [2018-12-02 15:19:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:45,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2712 states and 3140 transitions. [2018-12-02 15:19:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3140 transitions. [2018-12-02 15:19:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:46,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2716 states and 3144 transitions. [2018-12-02 15:19:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3144 transitions. [2018-12-02 15:19:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:48,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2719 states and 3147 transitions. [2018-12-02 15:19:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3147 transitions. [2018-12-02 15:19:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:49,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 2722 states and 3150 transitions. [2018-12-02 15:19:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3150 transitions. [2018-12-02 15:19:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:50,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 2725 states and 3153 transitions. [2018-12-02 15:19:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3153 transitions. [2018-12-02 15:19:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:50,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 2729 states and 3157 transitions. [2018-12-02 15:19:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3157 transitions. [2018-12-02 15:19:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:51,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2732 states and 3159 transitions. [2018-12-02 15:19:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3159 transitions. [2018-12-02 15:19:52,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:19:52,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:19:55,872 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-12-02 15:20:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 2772 states and 3205 transitions. [2018-12-02 15:20:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3205 transitions. [2018-12-02 15:20:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 15:20:10,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-02 15:20:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2347 states and 2739 transitions. [2018-12-02 15:20:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2739 transitions. [2018-12-02 15:20:12,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:20:12,525 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2018-12-02 15:20:12,531 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 15:20:12,654 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:12,768 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2018-12-02 15:20:12,954 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-02 15:20:13,077 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:13,295 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 42 [2018-12-02 15:20:13,552 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 40 [2018-12-02 15:20:13,780 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 29 [2018-12-02 15:20:13,957 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-02 15:20:14,153 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-02 15:20:14,485 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-02 15:20:14,645 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 40 [2018-12-02 15:20:14,823 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 38 [2018-12-02 15:20:15,063 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 38 [2018-12-02 15:20:15,226 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-02 15:20:15,568 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-02 15:20:15,914 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 41 [2018-12-02 15:20:16,049 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:16,259 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 39 [2018-12-02 15:20:16,483 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 40 [2018-12-02 15:20:16,701 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:16,840 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2018-12-02 15:20:16,951 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2018-12-02 15:20:17,165 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:17,349 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:17,491 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2018-12-02 15:20:17,592 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2018-12-02 15:20:17,745 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-02 15:20:17,985 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 40 [2018-12-02 15:20:18,091 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2018-12-02 15:20:18,333 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 38 [2018-12-02 15:20:18,586 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-02 15:20:18,886 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-12-02 15:20:19,297 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 40 [2018-12-02 15:20:19,594 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 40 [2018-12-02 15:20:19,788 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-02 15:20:19,912 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2018-12-02 15:20:20,175 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-02 15:20:20,513 WARN L180 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2018-12-02 15:20:20,701 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:20,815 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-12-02 15:20:21,092 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2018-12-02 15:20:21,290 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-02 15:20:21,480 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2018-12-02 15:20:21,991 WARN L180 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 74 [2018-12-02 15:20:22,236 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2018-12-02 15:20:22,348 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-02 15:20:22,544 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 42 [2018-12-02 15:20:22,805 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 39 [2018-12-02 15:20:22,979 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 39 [2018-12-02 15:20:23,171 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 40 [2018-12-02 15:20:23,358 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-12-02 15:20:23,358 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:20:23,360 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-02 15:20:23,365 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-02 15:20:23,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:20:23 ImpRootNode [2018-12-02 15:20:23,366 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:20:23,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:20:23,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:20:23,366 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:20:23,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:18" (3/4) ... [2018-12-02 15:20:23,370 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:20:23,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 15:20:23,383 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 15:20:23,384 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 15:20:23,385 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 15:20:23,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2bed6f76-a2a0-487b-ae5b-e25d04e257d0/bin-2019/ukojak/witness.graphml [2018-12-02 15:20:23,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:20:23,466 INFO L168 Benchmark]: Toolchain (without parser) took 366190.12 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 825.2 MB). Free memory was 945.2 MB in the beginning and 1.2 GB in the end (delta: -268.0 MB). Peak memory consumption was 557.2 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,466 INFO L168 Benchmark]: CDTParser took 0.15 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 15:20:23,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,467 INFO L168 Benchmark]: Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:20:23,467 INFO L168 Benchmark]: RCFGBuilder took 1008.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 838.5 MB in the end (delta: 215.4 MB). Peak memory consumption was 215.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,467 INFO L168 Benchmark]: CodeCheck took 364702.58 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 745.5 MB). Free memory was 838.5 MB in the beginning and 1.2 GB in the end (delta: -395.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,467 INFO L168 Benchmark]: Witness Printer took 98.73 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:23,468 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, 353.8s OverallTime, 121 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1292007976 SDtfs, -267023012 SDslu, 1566235104 SDs, 0 SdLazy, 1308012708 SolverSat, -5570560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 505.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177110 GetRequests, 170421 SyntacticMatches, 4837 SemanticMatches, 1852 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2450370 ImplicationChecksByTransitivity, 326.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.2s InterpolantComputationTime, 26931 NumberOfCodeBlocks, 26931 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 26811 ConstructedInterpolants, 0 QuantifiedInterpolants, 43284630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 81 PerfectInterpolantSequences, 43041/43552 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: 476]: 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: (((!(a17 == 1) || !(a7 == 1)) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1008.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 838.5 MB in the end (delta: 215.4 MB). Peak memory consumption was 215.4 MB. Max. memory is 11.5 GB. * CodeCheck took 364702.58 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 745.5 MB). Free memory was 838.5 MB in the beginning and 1.2 GB in the end (delta: -395.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 98.73 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...