./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:29,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:29,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:29,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:29,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:29,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:29,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:29,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:29,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:29,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:29,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:29,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:29,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:29,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:29,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:29,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:29,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:29,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:29,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:29,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:29,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:29,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:29,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:29,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:29,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:29,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:29,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:29,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:29,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:29,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:29,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:29,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:29,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:29,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:29,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:29,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:29,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:29,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:29,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:29,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:29,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:29,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:29,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:29,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:29,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:29,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:29,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:29,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:29,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:29,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:29,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:29,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:29,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:29,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:29,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:29,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:29,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:29,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:29,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:29,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:29,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:29,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:29,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:29,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:29,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:29,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:29,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:29,762 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:29,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:29,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:29,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c [2021-11-22 23:18:30,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:30,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:30,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:30,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:30,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:30,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2021-11-22 23:18:30,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/data/c45ff7e41/b4e292f00d64423ea0ff8f4810e4a54e/FLAG175bc51af [2021-11-22 23:18:30,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:30,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2021-11-22 23:18:30,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/data/c45ff7e41/b4e292f00d64423ea0ff8f4810e4a54e/FLAG175bc51af [2021-11-22 23:18:31,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/data/c45ff7e41/b4e292f00d64423ea0ff8f4810e4a54e [2021-11-22 23:18:31,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:31,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:31,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:31,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:31,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:31,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd42896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31, skipping insertion in model container [2021-11-22 23:18:31,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:31,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:31,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2021-11-22 23:18:31,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:31,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:31,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2021-11-22 23:18:31,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:31,542 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:31,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31 WrapperNode [2021-11-22 23:18:31,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:31,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:31,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:31,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:31,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,620 INFO L137 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 285 [2021-11-22 23:18:31,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:31,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:31,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:31,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:31,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:31,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:31,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:31,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:31,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:31" (1/1) ... [2021-11-22 23:18:31,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:31,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:31,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:31,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8435029-a71e-4d1e-ae99-01307e300e9a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:18:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2021-11-22 23:18:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-22 23:18:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:18:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:31,877 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:31,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:32,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:32,499 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:32,499 INFO L301 CfgBuilder]: Removed 33 assume(true) statements. [2021-11-22 23:18:32,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:32 BoogieIcfgContainer [2021-11-22 23:18:32,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:32,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:32,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:32,514 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:32,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:32" (1/1) ... [2021-11-22 23:18:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:18:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 80 states and 146 transitions. [2021-11-22 23:18:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2021-11-22 23:18:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:18:32,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-22 23:18:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-22 23:18:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:18:32,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 132 transitions. [2021-11-22 23:18:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2021-11-22 23:18:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:18:32,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2021-11-22 23:18:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2021-11-22 23:18:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:18:33,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2021-11-22 23:18:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2021-11-22 23:18:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:18:33,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2021-11-22 23:18:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2021-11-22 23:18:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:18:33,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2021-11-22 23:18:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2021-11-22 23:18:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:18:33,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2021-11-22 23:18:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2021-11-22 23:18:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:18:33,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 91 states and 133 transitions. [2021-11-22 23:18:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2021-11-22 23:18:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:18:34,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2021-11-22 23:18:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2021-11-22 23:18:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:18:35,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2021-11-22 23:18:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2021-11-22 23:18:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:35,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 119 states and 162 transitions. [2021-11-22 23:18:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2021-11-22 23:18:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:38,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 129 states and 171 transitions. [2021-11-22 23:18:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 171 transitions. [2021-11-22 23:18:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:39,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:40,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 137 states and 180 transitions. [2021-11-22 23:18:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2021-11-22 23:18:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:40,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 138 states and 180 transitions. [2021-11-22 23:18:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2021-11-22 23:18:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:40,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 138 states and 177 transitions. [2021-11-22 23:18:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2021-11-22 23:18:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:40,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 156 states and 201 transitions. [2021-11-22 23:18:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 201 transitions. [2021-11-22 23:18:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:43,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 152 states and 196 transitions. [2021-11-22 23:18:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2021-11-22 23:18:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:44,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 148 states and 191 transitions. [2021-11-22 23:18:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2021-11-22 23:18:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:44,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 174 states and 223 transitions. [2021-11-22 23:18:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 223 transitions. [2021-11-22 23:18:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:50,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 225 transitions. [2021-11-22 23:18:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 225 transitions. [2021-11-22 23:18:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:18:50,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 177 states and 228 transitions. [2021-11-22 23:18:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 228 transitions. [2021-11-22 23:18:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:18:52,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:18:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 179 states and 230 transitions. [2021-11-22 23:18:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2021-11-22 23:18:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:18:54,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 181 states and 233 transitions. [2021-11-22 23:18:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 233 transitions. [2021-11-22 23:18:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:18:54,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 205 states and 262 transitions. [2021-11-22 23:19:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 262 transitions. [2021-11-22 23:19:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:01,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 224 states and 290 transitions. [2021-11-22 23:19:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 290 transitions. [2021-11-22 23:19:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:09,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 227 states and 293 transitions. [2021-11-22 23:19:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 293 transitions. [2021-11-22 23:19:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:11,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 228 states and 293 transitions. [2021-11-22 23:19:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 293 transitions. [2021-11-22 23:19:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:19:12,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 233 states and 303 transitions. [2021-11-22 23:19:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 303 transitions. [2021-11-22 23:19:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:19:16,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 233 states and 302 transitions. [2021-11-22 23:19:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 302 transitions. [2021-11-22 23:19:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:19:16,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:17,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 294 transitions. [2021-11-22 23:19:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 294 transitions. [2021-11-22 23:19:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:19:17,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 232 states and 303 transitions. [2021-11-22 23:19:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 303 transitions. [2021-11-22 23:19:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:19:17,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 251 states and 331 transitions. [2021-11-22 23:19:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 331 transitions. [2021-11-22 23:19:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:19:31,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 254 states and 334 transitions. [2021-11-22 23:19:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 334 transitions. [2021-11-22 23:19:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:19:33,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 334 transitions. [2021-11-22 23:19:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2021-11-22 23:19:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:19:35,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:19:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 260 states and 341 transitions. [2021-11-22 23:19:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 341 transitions. [2021-11-22 23:19:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:19:38,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 260 states and 338 transitions. [2021-11-22 23:19:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 338 transitions. [2021-11-22 23:19:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:19:38,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 263 states and 347 transitions. [2021-11-22 23:19:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 347 transitions. [2021-11-22 23:19:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:19:41,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 258 states and 339 transitions. [2021-11-22 23:19:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 339 transitions. [2021-11-22 23:19:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:19:45,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 257 states and 337 transitions. [2021-11-22 23:19:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 337 transitions. [2021-11-22 23:19:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:19:47,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 259 states and 342 transitions. [2021-11-22 23:19:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 342 transitions. [2021-11-22 23:19:50,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:19:50,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:19:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 261 states and 345 transitions. [2021-11-22 23:19:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 345 transitions. [2021-11-22 23:19:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:19:50,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:19:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 262 states and 346 transitions. [2021-11-22 23:19:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 346 transitions. [2021-11-22 23:19:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:19:50,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:19:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 274 states and 360 transitions. [2021-11-22 23:19:57,331 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 360 transitions. [2021-11-22 23:19:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:19:57,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:19:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 277 states and 363 transitions. [2021-11-22 23:19:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 363 transitions. [2021-11-22 23:19:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:19:59,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:20:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 279 states and 365 transitions. [2021-11-22 23:20:02,217 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2021-11-22 23:20:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:20:02,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 281 states and 368 transitions. [2021-11-22 23:20:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 368 transitions. [2021-11-22 23:20:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:20:05,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:05,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 311 states and 414 transitions. [2021-11-22 23:20:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 414 transitions. [2021-11-22 23:20:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:20:30,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 314 states and 417 transitions. [2021-11-22 23:20:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2021-11-22 23:20:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:20:33,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 333 states and 446 transitions. [2021-11-22 23:20:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 446 transitions. [2021-11-22 23:20:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:20:55,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2021-11-22 23:20:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2021-11-22 23:20:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:20:59,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:59,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 338 states and 453 transitions. [2021-11-22 23:21:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 453 transitions. [2021-11-22 23:21:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:21:02,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:21:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2021-11-22 23:21:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2021-11-22 23:21:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:21:09,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:09,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 360 states and 487 transitions. [2021-11-22 23:21:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 487 transitions. [2021-11-22 23:21:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:21:39,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:22:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 381 states and 514 transitions. [2021-11-22 23:22:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 514 transitions. [2021-11-22 23:22:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:22:05,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:05,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:22:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 383 states and 515 transitions. [2021-11-22 23:22:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2021-11-22 23:22:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:22:07,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 413 states and 557 transitions. [2021-11-22 23:22:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 557 transitions. [2021-11-22 23:22:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:22:43,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:43,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 416 states and 559 transitions. [2021-11-22 23:22:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 559 transitions. [2021-11-22 23:22:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:22:46,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 406 states and 543 transitions. [2021-11-22 23:22:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 543 transitions. [2021-11-22 23:22:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:22:50,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:50,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 428 states and 590 transitions. [2021-11-22 23:23:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 590 transitions. [2021-11-22 23:23:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:23:51,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 456 states and 624 transitions. [2021-11-22 23:24:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 624 transitions. [2021-11-22 23:24:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:24:26,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 468 states and 644 transitions. [2021-11-22 23:25:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 644 transitions. [2021-11-22 23:25:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:25:29,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:25:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 469 states and 644 transitions. [2021-11-22 23:25:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 644 transitions. [2021-11-22 23:25:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:25:31,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:25:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 477 states and 663 transitions. [2021-11-22 23:25:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 663 transitions. [2021-11-22 23:25:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:25:41,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 514 states and 728 transitions. [2021-11-22 23:27:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 728 transitions. [2021-11-22 23:27:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:27:20,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:20,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:30:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 551 states and 796 transitions. [2021-11-22 23:30:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 796 transitions. [2021-11-22 23:30:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:30:35,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:35,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.