./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/mlceu.c --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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/mlceu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/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 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:42,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:42,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:42,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:42,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:42,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:42,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:42,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:42,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:42,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:42,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:42,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:42,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:42,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:42,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:42,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:42,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:42,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:42,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:42,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:42,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:42,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:42,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:42,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:42,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:42,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:42,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:42,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:42,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:42,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:42,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:42,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:42,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:42,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:42,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:42,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:42,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:42,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:42,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:42,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:42,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:42,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:43,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:43,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:43,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:43,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:43,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:43,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:43,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:43,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:43,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:43,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:43,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:43,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:43,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:43,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:43,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:43,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:43,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:43,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:43,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:43,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:43,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:43,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:43,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:43,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:43,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:43,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:43,025 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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 [2021-11-23 01:03:43,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:43,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:43,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:43,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:43,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:43,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/mlceu.c [2021-11-23 01:03:43,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/data/ac38f19ee/fd85230e08f9447797aa9579b7f539c6/FLAG931d5449c [2021-11-23 01:03:43,798 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:43,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/sv-benchmarks/c/array-tiling/mlceu.c [2021-11-23 01:03:43,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/data/ac38f19ee/fd85230e08f9447797aa9579b7f539c6/FLAG931d5449c [2021-11-23 01:03:44,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/data/ac38f19ee/fd85230e08f9447797aa9579b7f539c6 [2021-11-23 01:03:44,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:44,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:44,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:44,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:44,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca6d11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44, skipping insertion in model container [2021-11-23 01:03:44,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:44,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:44,392 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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/sv-benchmarks/c/array-tiling/mlceu.c[396,409] [2021-11-23 01:03:44,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,417 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:44,430 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_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/sv-benchmarks/c/array-tiling/mlceu.c[396,409] [2021-11-23 01:03:44,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,449 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:44,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44 WrapperNode [2021-11-23 01:03:44,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:44,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:44,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,486 INFO L137 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2021-11-23 01:03:44,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:44,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:44,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:44,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:44,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:44,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:44,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:44,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:44,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:44,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:44,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d90ffa-1f7a-4ded-9f4d-8a352d9a6a9e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:03:44,644 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:44,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:44,759 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:44,792 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:44,793 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:03:44,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:44 BoogieIcfgContainer [2021-11-23 01:03:44,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:44,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:44,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:44,807 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:44,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:03:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 01:03:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 01:03:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:03:44,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 01:03:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 01:03:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:03:45,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:03:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:03:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:03:45,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 01:03:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 01:03:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:03:46,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 01:03:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 01:03:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:03:48,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-11-23 01:03:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-11-23 01:03:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:03:49,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-11-23 01:03:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-11-23 01:03:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:03:52,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2021-11-23 01:03:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2021-11-23 01:03:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:03:54,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2021-11-23 01:03:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2021-11-23 01:03:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:03:57,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 61 states and 90 transitions. [2021-11-23 01:04:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2021-11-23 01:04:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:01,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2021-11-23 01:04:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2021-11-23 01:04:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:04:07,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2021-11-23 01:04:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2021-11-23 01:04:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:04:12,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 86 states and 125 transitions. [2021-11-23 01:04:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2021-11-23 01:04:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:04:13,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 98 states and 140 transitions. [2021-11-23 01:04:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2021-11-23 01:04:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:04:20,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2021-11-23 01:04:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2021-11-23 01:04:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:04:22,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 113 states and 164 transitions. [2021-11-23 01:04:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2021-11-23 01:04:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:04:29,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 165 transitions. [2021-11-23 01:04:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2021-11-23 01:04:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:04:30,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 127 states and 180 transitions. [2021-11-23 01:04:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2021-11-23 01:04:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:04:39,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 129 states and 181 transitions. [2021-11-23 01:04:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 181 transitions. [2021-11-23 01:04:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:04:41,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 142 states and 205 transitions. [2021-11-23 01:04:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2021-11-23 01:04:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:04:50,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 144 states and 206 transitions. [2021-11-23 01:04:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 206 transitions. [2021-11-23 01:04:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:04:52,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 156 states and 221 transitions. [2021-11-23 01:05:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 221 transitions. [2021-11-23 01:05:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:05:03,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:03,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 158 states and 222 transitions. [2021-11-23 01:05:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 222 transitions. [2021-11-23 01:05:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:05:05,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 171 states and 247 transitions. [2021-11-23 01:05:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 247 transitions. [2021-11-23 01:05:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:05:17,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 173 states and 248 transitions. [2021-11-23 01:05:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 248 transitions. [2021-11-23 01:05:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:05:19,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 185 states and 263 transitions. [2021-11-23 01:05:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 263 transitions. [2021-11-23 01:05:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:05:32,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:32,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 187 states and 264 transitions. [2021-11-23 01:05:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2021-11-23 01:05:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:05:35,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:35,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 200 states and 290 transitions. [2021-11-23 01:05:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 290 transitions. [2021-11-23 01:05:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:05:49,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:49,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 202 states and 291 transitions. [2021-11-23 01:05:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 291 transitions. [2021-11-23 01:05:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:05:52,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 214 states and 306 transitions. [2021-11-23 01:06:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 306 transitions. [2021-11-23 01:06:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:06:08,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:11,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:11,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 216 states and 307 transitions. [2021-11-23 01:06:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 307 transitions. [2021-11-23 01:06:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:06:11,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:11,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 229 states and 334 transitions. [2021-11-23 01:06:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 334 transitions. [2021-11-23 01:06:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:06:27,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:27,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 231 states and 335 transitions. [2021-11-23 01:06:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 335 transitions. [2021-11-23 01:06:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:06:30,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:30,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 243 states and 350 transitions. [2021-11-23 01:06:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 350 transitions. [2021-11-23 01:06:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:06:50,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 245 states and 351 transitions. [2021-11-23 01:06:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 351 transitions. [2021-11-23 01:06:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:06:53,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 258 states and 379 transitions. [2021-11-23 01:07:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 379 transitions. [2021-11-23 01:07:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:07:13,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2021-11-23 01:07:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2021-11-23 01:07:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:07:16,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 272 states and 395 transitions. [2021-11-23 01:07:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 395 transitions. [2021-11-23 01:07:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:07:39,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:39,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 274 states and 396 transitions. [2021-11-23 01:07:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 396 transitions. [2021-11-23 01:07:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:07:43,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:43,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 287 states and 425 transitions. [2021-11-23 01:08:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 425 transitions. [2021-11-23 01:08:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:08:08,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:08,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 289 states and 426 transitions. [2021-11-23 01:08:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2021-11-23 01:08:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:08:12,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:12,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 299 states and 437 transitions. [2021-11-23 01:08:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 437 transitions. [2021-11-23 01:08:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:08:53,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:53,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 301 states and 440 transitions. [2021-11-23 01:08:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 440 transitions. [2021-11-23 01:08:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:08:57,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:57,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 223 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 314 states and 467 transitions. [2021-11-23 01:09:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 467 transitions. [2021-11-23 01:09:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:09:25,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:25,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 329 states and 485 transitions. [2021-11-23 01:10:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 485 transitions. [2021-11-23 01:10:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:10:05,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:05,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 331 states and 486 transitions. [2021-11-23 01:10:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2021-11-23 01:10:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:10:08,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:08,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 261 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 347 states and 520 transitions. [2021-11-23 01:10:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 520 transitions. [2021-11-23 01:10:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:10:46,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:46,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 261 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 349 states and 521 transitions. [2021-11-23 01:10:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 521 transitions. [2021-11-23 01:10:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:50,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:50,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 364 states and 539 transitions. [2021-11-23 01:11:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 539 transitions. [2021-11-23 01:11:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:11:33,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:33,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 366 states and 540 transitions. [2021-11-23 01:11:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 540 transitions. [2021-11-23 01:11:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:11:37,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:37,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 302 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 382 states and 575 transitions. [2021-11-23 01:12:22,538 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 575 transitions. [2021-11-23 01:12:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:12:22,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:22,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 302 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 384 states and 576 transitions. [2021-11-23 01:12:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 576 transitions. [2021-11-23 01:12:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:12:26,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:26,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 399 states and 594 transitions. [2021-11-23 01:13:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 594 transitions. [2021-11-23 01:13:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:13:15,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:15,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 401 states and 595 transitions. [2021-11-23 01:13:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 595 transitions. [2021-11-23 01:13:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:13:20,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:20,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 346 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 417 states and 631 transitions. [2021-11-23 01:14:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 631 transitions. [2021-11-23 01:14:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:14:09,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:09,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 346 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 419 states and 632 transitions. [2021-11-23 01:14:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 632 transitions. [2021-11-23 01:14:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:14:14,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:14,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 434 states and 650 transitions. [2021-11-23 01:15:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 650 transitions. [2021-11-23 01:15:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:15:09,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:09,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 436 states and 651 transitions. [2021-11-23 01:15:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 651 transitions. [2021-11-23 01:15:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:15:15,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:15,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 393 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.