./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label21_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_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/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 d72d8b32d23c090e7c4c923093cd0c146af9199e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:02:26,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:02:26,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:02:26,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:02:26,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:02:26,745 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:02:26,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:02:26,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:02:26,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:02:26,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:02:26,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:02:26,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:02:26,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:02:26,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:02:26,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:02:26,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:02:26,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:02:26,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:02:26,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:02:26,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:02:26,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:02:26,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:02:26,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:02:26,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:02:26,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:02:26,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:02:26,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:02:26,755 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:02:26,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:02:26,756 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:02:26,756 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:02:26,757 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:02:26,757 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:02:26,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:02:26,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:02:26,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:02:26,758 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:02:26,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:02:26,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:02:26,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:02:26,765 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:02:26,766 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:02:26,766 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:02:26,766 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:02:26,767 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:02:26,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:02:26,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:02:26,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:02:26,768 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:02:26,768 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:02:26,768 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:02:26,768 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:02:26,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:02:26,768 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_3a8cb7af-9d6c-4404-a333-29b846479c31/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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2018-12-01 15:02:26,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:02:26,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:02:26,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:02:26,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:02:26,794 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:02:26,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c [2018-12-01 15:02:26,828 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/data/e02880dca/c21de9ce96694f63987d24404e96df09/FLAG35a9a2c65 [2018-12-01 15:02:27,259 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:02:27,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c [2018-12-01 15:02:27,266 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/data/e02880dca/c21de9ce96694f63987d24404e96df09/FLAG35a9a2c65 [2018-12-01 15:02:27,275 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/data/e02880dca/c21de9ce96694f63987d24404e96df09 [2018-12-01 15:02:27,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:02:27,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:02:27,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:02:27,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:02:27,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:02:27,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,282 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 01.12 03:02:27, skipping insertion in model container [2018-12-01 15:02:27,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:02:27,309 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:02:27,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:02:27,487 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:02:27,570 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:02:27,579 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:02:27,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27 WrapperNode [2018-12-01 15:02:27,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:02:27,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:02:27,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:02:27,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:02:27,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:02:27,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:02:27,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:02:27,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:02:27,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... [2018-12-01 15:02:27,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:02:27,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:02:27,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:02:27,648 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:02:27,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:02:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/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 [2018-12-01 15:02:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:02:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:02:28,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:02:28,670 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 15:02:28,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:02:28 BoogieIcfgContainer [2018-12-01 15:02:28,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:02:28,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:02:28,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:02:28,680 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:02:28,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:02:28" (1/1) ... [2018-12-01 15:02:28,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:02:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 15:02:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 15:02:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 15:02:28,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:02:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-01 15:02:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-01 15:02:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 15:02:29,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:02:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-12-01 15:02:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-12-01 15:02:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 15:02:29,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:02:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-12-01 15:02:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-12-01 15:02:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 15:02:29,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:02:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 249 states and 333 transitions. [2018-12-01 15:02:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 333 transitions. [2018-12-01 15:02:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 15:02:29,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-12-01 15:02:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-12-01 15:02:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 15:02:30,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 284 states and 385 transitions. [2018-12-01 15:02:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 385 transitions. [2018-12-01 15:02:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 15:02:30,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-12-01 15:02:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-12-01 15:02:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 15:02:30,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 309 states and 421 transitions. [2018-12-01 15:02:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 421 transitions. [2018-12-01 15:02:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:02:30,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 15:02:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-01 15:02:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-01 15:02:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:02:31,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 15:02:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-12-01 15:02:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-12-01 15:02:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:02:31,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 331 states and 447 transitions. [2018-12-01 15:02:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 447 transitions. [2018-12-01 15:02:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 15:02:31,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:02:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 335 states and 453 transitions. [2018-12-01 15:02:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 453 transitions. [2018-12-01 15:02:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 15:02:31,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:02:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 346 states and 469 transitions. [2018-12-01 15:02:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2018-12-01 15:02:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 15:02:31,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:02:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 347 states and 472 transitions. [2018-12-01 15:02:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2018-12-01 15:02:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 15:02:32,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:02:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2018-12-01 15:02:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2018-12-01 15:02:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 15:02:32,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 394 states and 526 transitions. [2018-12-01 15:02:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 526 transitions. [2018-12-01 15:02:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 15:02:32,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 410 states and 547 transitions. [2018-12-01 15:02:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 547 transitions. [2018-12-01 15:02:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 15:02:33,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:33,510 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 413 states and 551 transitions. [2018-12-01 15:02:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 551 transitions. [2018-12-01 15:02:33,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 15:02:33,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 429 states and 569 transitions. [2018-12-01 15:02:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 569 transitions. [2018-12-01 15:02:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 15:02:33,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-01 15:02:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-01 15:02:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 15:02:34,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 449 states and 592 transitions. [2018-12-01 15:02:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 592 transitions. [2018-12-01 15:02:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 15:02:34,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:02:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 481 states and 624 transitions. [2018-12-01 15:02:34,381 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 624 transitions. [2018-12-01 15:02:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 15:02:34,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:02:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 486 states and 628 transitions. [2018-12-01 15:02:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 628 transitions. [2018-12-01 15:02:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 15:02:34,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 500 states and 642 transitions. [2018-12-01 15:02:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 642 transitions. [2018-12-01 15:02:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 15:02:34,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 540 states and 692 transitions. [2018-12-01 15:02:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 692 transitions. [2018-12-01 15:02:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 15:02:35,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 555 states and 706 transitions. [2018-12-01 15:02:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 706 transitions. [2018-12-01 15:02:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 15:02:36,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 574 states and 725 transitions. [2018-12-01 15:02:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 725 transitions. [2018-12-01 15:02:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 15:02:36,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 15:02:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 575 states and 726 transitions. [2018-12-01 15:02:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 726 transitions. [2018-12-01 15:02:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 15:02:36,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 594 states and 748 transitions. [2018-12-01 15:02:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 748 transitions. [2018-12-01 15:02:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 15:02:36,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 596 states and 750 transitions. [2018-12-01 15:02:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 750 transitions. [2018-12-01 15:02:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 15:02:36,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 597 states and 751 transitions. [2018-12-01 15:02:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 751 transitions. [2018-12-01 15:02:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 15:02:36,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:02:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 611 states and 765 transitions. [2018-12-01 15:02:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 765 transitions. [2018-12-01 15:02:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 15:02:36,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:02:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 690 states and 846 transitions. [2018-12-01 15:02:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 846 transitions. [2018-12-01 15:02:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 15:02:37,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 693 states and 849 transitions. [2018-12-01 15:02:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 849 transitions. [2018-12-01 15:02:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 15:02:37,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 694 states and 850 transitions. [2018-12-01 15:02:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 850 transitions. [2018-12-01 15:02:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 15:02:37,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 709 states and 864 transitions. [2018-12-01 15:02:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 864 transitions. [2018-12-01 15:02:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 15:02:37,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 722 states and 878 transitions. [2018-12-01 15:02:38,337 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 878 transitions. [2018-12-01 15:02:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 15:02:38,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 725 states and 881 transitions. [2018-12-01 15:02:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 881 transitions. [2018-12-01 15:02:38,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 15:02:38,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:02:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2018-12-01 15:02:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2018-12-01 15:02:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 15:02:39,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 833 states and 1002 transitions. [2018-12-01 15:02:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1002 transitions. [2018-12-01 15:02:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 15:02:40,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 862 states and 1034 transitions. [2018-12-01 15:02:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1034 transitions. [2018-12-01 15:02:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:02:42,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 877 states and 1050 transitions. [2018-12-01 15:02:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1050 transitions. [2018-12-01 15:02:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:02:42,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 880 states and 1053 transitions. [2018-12-01 15:02:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1053 transitions. [2018-12-01 15:02:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 15:02:42,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 15:02:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 898 states and 1073 transitions. [2018-12-01 15:02:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1073 transitions. [2018-12-01 15:02:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 15:02:43,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 924 states and 1102 transitions. [2018-12-01 15:02:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1102 transitions. [2018-12-01 15:02:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 15:02:43,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 939 states and 1116 transitions. [2018-12-01 15:02:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1116 transitions. [2018-12-01 15:02:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:02:44,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 967 states and 1144 transitions. [2018-12-01 15:02:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1144 transitions. [2018-12-01 15:02:44,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:02:44,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 15:02:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 988 states and 1167 transitions. [2018-12-01 15:02:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1167 transitions. [2018-12-01 15:02:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 15:02:45,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 992 states and 1171 transitions. [2018-12-01 15:02:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1171 transitions. [2018-12-01 15:02:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 15:02:45,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 995 states and 1174 transitions. [2018-12-01 15:02:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1174 transitions. [2018-12-01 15:02:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 15:02:45,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1032 states and 1214 transitions. [2018-12-01 15:02:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1214 transitions. [2018-12-01 15:02:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:02:46,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1040 states and 1227 transitions. [2018-12-01 15:02:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1227 transitions. [2018-12-01 15:02:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:02:47,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:02:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1147 states and 1337 transitions. [2018-12-01 15:02:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1337 transitions. [2018-12-01 15:02:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:02:48,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:02:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1151 states and 1342 transitions. [2018-12-01 15:02:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1342 transitions. [2018-12-01 15:02:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 15:02:48,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 15:02:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1177 states and 1367 transitions. [2018-12-01 15:02:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1367 transitions. [2018-12-01 15:02:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 15:02:49,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 15:02:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1183 states and 1374 transitions. [2018-12-01 15:02:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1374 transitions. [2018-12-01 15:02:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 15:02:49,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1186 states and 1377 transitions. [2018-12-01 15:02:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1377 transitions. [2018-12-01 15:02:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 15:02:49,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:02:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1192 states and 1385 transitions. [2018-12-01 15:02:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1385 transitions. [2018-12-01 15:02:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 15:02:50,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 15:02:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1198 states and 1393 transitions. [2018-12-01 15:02:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1393 transitions. [2018-12-01 15:02:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 15:02:50,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1233 states and 1431 transitions. [2018-12-01 15:02:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1431 transitions. [2018-12-01 15:02:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 15:02:50,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:02:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1249 states and 1448 transitions. [2018-12-01 15:02:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1448 transitions. [2018-12-01 15:02:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 15:02:51,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 15:02:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1257 states and 1457 transitions. [2018-12-01 15:02:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1457 transitions. [2018-12-01 15:02:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-01 15:02:51,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:02:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1264 states and 1467 transitions. [2018-12-01 15:02:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1467 transitions. [2018-12-01 15:02:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-01 15:02:52,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:02:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1279 states and 1483 transitions. [2018-12-01 15:02:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1483 transitions. [2018-12-01 15:02:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:02:52,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1312 states and 1522 transitions. [2018-12-01 15:02:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1522 transitions. [2018-12-01 15:02:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:02:53,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 15:02:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1315 states and 1526 transitions. [2018-12-01 15:02:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1526 transitions. [2018-12-01 15:02:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 15:02:53,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 15:02:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1414 states and 1631 transitions. [2018-12-01 15:02:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1631 transitions. [2018-12-01 15:02:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 15:02:55,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 15:02:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1434 states and 1650 transitions. [2018-12-01 15:02:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1650 transitions. [2018-12-01 15:02:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 15:02:55,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 15:02:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1438 states and 1655 transitions. [2018-12-01 15:02:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1655 transitions. [2018-12-01 15:02:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 15:02:56,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 15:02:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:02:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1455 states and 1673 transitions. [2018-12-01 15:02:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1673 transitions. [2018-12-01 15:02:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-01 15:02:56,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:02:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:02:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 15:03:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1507 states and 1731 transitions. [2018-12-01 15:03:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1731 transitions. [2018-12-01 15:03:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-01 15:03:02,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 15:03:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1545 states and 1771 transitions. [2018-12-01 15:03:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1771 transitions. [2018-12-01 15:03:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 15:03:02,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-01 15:03:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1548 states and 1773 transitions. [2018-12-01 15:03:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1773 transitions. [2018-12-01 15:03:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 15:03:02,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 15:03:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1600 states and 1831 transitions. [2018-12-01 15:03:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1831 transitions. [2018-12-01 15:03:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 15:03:05,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 15:03:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1603 states and 1834 transitions. [2018-12-01 15:03:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1834 transitions. [2018-12-01 15:03:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-01 15:03:06,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 15:03:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1624 states and 1862 transitions. [2018-12-01 15:03:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1862 transitions. [2018-12-01 15:03:06,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-01 15:03:06,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 15:03:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1641 states and 1881 transitions. [2018-12-01 15:03:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1881 transitions. [2018-12-01 15:03:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-01 15:03:07,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 15:03:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1644 states and 1884 transitions. [2018-12-01 15:03:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1884 transitions. [2018-12-01 15:03:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-01 15:03:07,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 15:03:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1659 states and 1899 transitions. [2018-12-01 15:03:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1899 transitions. [2018-12-01 15:03:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-01 15:03:07,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 15:03:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1661 states and 1900 transitions. [2018-12-01 15:03:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1900 transitions. [2018-12-01 15:03:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 15:03:08,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:03:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1759 states and 2017 transitions. [2018-12-01 15:03:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2017 transitions. [2018-12-01 15:03:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 15:03:13,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:03:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1764 states and 2021 transitions. [2018-12-01 15:03:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2021 transitions. [2018-12-01 15:03:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 15:03:14,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 283 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 15:03:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1770 states and 2027 transitions. [2018-12-01 15:03:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2027 transitions. [2018-12-01 15:03:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-01 15:03:15,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 15:03:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1797 states and 2054 transitions. [2018-12-01 15:03:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2054 transitions. [2018-12-01 15:03:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 15:03:15,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 15:03:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1935 states and 2208 transitions. [2018-12-01 15:03:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2208 transitions. [2018-12-01 15:03:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-01 15:03:21,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:03:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1978 states and 2257 transitions. [2018-12-01 15:03:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2257 transitions. [2018-12-01 15:03:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 15:03:22,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 15:03:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2112 states and 2397 transitions. [2018-12-01 15:03:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2397 transitions. [2018-12-01 15:03:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 15:03:26,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 15:03:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2130 states and 2414 transitions. [2018-12-01 15:03:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2414 transitions. [2018-12-01 15:03:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 15:03:26,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2018-12-01 15:03:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2208 states and 2492 transitions. [2018-12-01 15:03:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2492 transitions. [2018-12-01 15:03:29,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:29,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2213 states and 2498 transitions. [2018-12-01 15:03:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2498 transitions. [2018-12-01 15:03:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:29,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2223 states and 2508 transitions. [2018-12-01 15:03:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2508 transitions. [2018-12-01 15:03:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:30,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2238 states and 2522 transitions. [2018-12-01 15:03:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2522 transitions. [2018-12-01 15:03:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:30,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2272 states and 2557 transitions. [2018-12-01 15:03:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2557 transitions. [2018-12-01 15:03:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:31,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2275 states and 2560 transitions. [2018-12-01 15:03:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2560 transitions. [2018-12-01 15:03:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:32,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2278 states and 2563 transitions. [2018-12-01 15:03:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2563 transitions. [2018-12-01 15:03:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:32,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2286 states and 2572 transitions. [2018-12-01 15:03:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2572 transitions. [2018-12-01 15:03:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:33,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2301 states and 2588 transitions. [2018-12-01 15:03:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2588 transitions. [2018-12-01 15:03:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:33,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2304 states and 2591 transitions. [2018-12-01 15:03:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2591 transitions. [2018-12-01 15:03:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 15:03:34,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-01 15:03:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2335 states and 2622 transitions. [2018-12-01 15:03:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2622 transitions. [2018-12-01 15:03:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 15:03:35,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 375 proven. 42 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-01 15:03:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2354 states and 2648 transitions. [2018-12-01 15:03:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2648 transitions. [2018-12-01 15:03:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 15:03:37,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-01 15:03:40,042 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-01 15:03:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2416 states and 2711 transitions. [2018-12-01 15:03:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2711 transitions. [2018-12-01 15:03:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:03:42,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:03:52,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2477 states and 2787 transitions. [2018-12-01 15:03:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 2787 transitions. [2018-12-01 15:03:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:03:52,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:03:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2513 states and 2829 transitions. [2018-12-01 15:03:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2829 transitions. [2018-12-01 15:03:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:03:54,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:03:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2525 states and 2842 transitions. [2018-12-01 15:03:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2842 transitions. [2018-12-01 15:03:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:03:59,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:04:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2530 states and 2846 transitions. [2018-12-01 15:04:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2846 transitions. [2018-12-01 15:04:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:04:00,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:04:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2531 states and 2846 transitions. [2018-12-01 15:04:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2846 transitions. [2018-12-01 15:04:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-01 15:04:01,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 15:04:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2541 states and 2855 transitions. [2018-12-01 15:04:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 2855 transitions. [2018-12-01 15:04:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-01 15:04:01,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-01 15:04:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2544 states and 2857 transitions. [2018-12-01 15:04:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2857 transitions. [2018-12-01 15:04:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 15:04:02,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 15:04:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2563 states and 2877 transitions. [2018-12-01 15:04:03,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2877 transitions. [2018-12-01 15:04:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 15:04:03,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 15:04:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2568 states and 2881 transitions. [2018-12-01 15:04:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2881 transitions. [2018-12-01 15:04:03,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:03,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2611 states and 2927 transitions. [2018-12-01 15:04:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 2927 transitions. [2018-12-01 15:04:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:04,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2655 states and 2975 transitions. [2018-12-01 15:04:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 2975 transitions. [2018-12-01 15:04:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:06,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2658 states and 2978 transitions. [2018-12-01 15:04:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 2978 transitions. [2018-12-01 15:04:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:06,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2668 states and 2987 transitions. [2018-12-01 15:04:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 2987 transitions. [2018-12-01 15:04:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:07,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2672 states and 2992 transitions. [2018-12-01 15:04:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 2992 transitions. [2018-12-01 15:04:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:07,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2677 states and 2996 transitions. [2018-12-01 15:04:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 2996 transitions. [2018-12-01 15:04:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:04:07,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 15:04:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2682 states and 3000 transitions. [2018-12-01 15:04:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3000 transitions. [2018-12-01 15:04:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-01 15:04:08,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:09,109 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 78 proven. 397 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:04:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 2887 states and 3212 transitions. [2018-12-01 15:04:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3212 transitions. [2018-12-01 15:04:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-01 15:04:16,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 157 proven. 596 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-01 15:04:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2735 states and 3057 transitions. [2018-12-01 15:04:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3057 transitions. [2018-12-01 15:04:18,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:04:18,033 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 120 iterations. [2018-12-01 15:04:18,040 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:04:18,154 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-01 15:04:18,264 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2018-12-01 15:04:18,425 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:18,579 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2018-12-01 15:04:18,699 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2018-12-01 15:04:19,098 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-01 15:04:19,212 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:19,694 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-12-01 15:04:19,813 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:19,934 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:20,116 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2018-12-01 15:04:20,220 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-01 15:04:20,637 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2018-12-01 15:04:20,806 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:20,982 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-01 15:04:21,169 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2018-12-01 15:04:21,355 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-12-01 15:04:21,609 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-01 15:04:21,842 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2018-12-01 15:04:22,010 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2018-12-01 15:04:22,173 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 23 [2018-12-01 15:04:22,295 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-01 15:04:22,575 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:22,959 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 23 [2018-12-01 15:04:23,072 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-12-01 15:04:23,228 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2018-12-01 15:04:23,551 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2018-12-01 15:04:23,654 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-01 15:04:23,973 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2018-12-01 15:04:24,186 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-12-01 15:04:24,342 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2018-12-01 15:04:24,523 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:04:24,524 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-01 15:04:24,529 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-01 15:04:24,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:04:24 ImpRootNode [2018-12-01 15:04:24,530 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:04:24,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:04:24,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:04:24,531 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:04:24,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:02:28" (3/4) ... [2018-12-01 15:04:24,534 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:04:24,546 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-01 15:04:24,546 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 15:04:24,547 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 15:04:24,547 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 15:04:24,624 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a8cb7af-9d6c-4404-a333-29b846479c31/bin-2019/ukojak/witness.graphml [2018-12-01 15:04:24,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:04:24,625 INFO L168 Benchmark]: Toolchain (without parser) took 117348.42 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,626 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 15:04:24,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,626 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,627 INFO L168 Benchmark]: RCFGBuilder took 1023.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,627 INFO L168 Benchmark]: CodeCheck took 115859.11 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 872.6 MB in the beginning and 1.1 GB in the end (delta: -246.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,627 INFO L168 Benchmark]: Witness Printer took 94.39 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:04:24,629 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, 227 locations, 1 error locations. SAFE Result, 109.3s OverallTime, 120 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1614413032 SDtfs, 1667377328 SDslu, 2062815112 SDs, 0 SdLazy, 344568442 SolverSat, 37131294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 372.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169881 GetRequests, 165753 SyntacticMatches, 3036 SemanticMatches, 1092 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818209 ImplicationChecksByTransitivity, 90.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 26792 NumberOfCodeBlocks, 26792 NumberOfCodeBlocksAsserted, 119 NumberOfCheckSat, 26673 ConstructedInterpolants, 0 QuantifiedInterpolants, 28387343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 119 InterpolantComputations, 84 PerfectInterpolantSequences, 32280/34558 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: 460]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a21 == 1 && a11 == 1) || !(a17 == 7)) || ((!(1 == a25) || !(a28 == 8)) && a21 == 1)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a21 == 1 && a11 == 1) || !(a19 == 1)) || !(a17 == 7)) || ((!(1 == a25) || !(a28 == 8)) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1023.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * CodeCheck took 115859.11 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 872.6 MB in the beginning and 1.1 GB in the end (delta: -246.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 94.39 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...