./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:13:22,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:13:22,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:13:22,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:13:22,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:13:22,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:13:22,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:13:22,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:13:22,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:13:22,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:13:22,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:13:22,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:13:22,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:13:22,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:13:22,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:13:22,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:13:22,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:13:22,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:13:22,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:13:22,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:13:22,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:13:22,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:13:22,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:13:22,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:13:22,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:13:22,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:13:22,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:13:22,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:13:22,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:13:22,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:13:22,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:13:22,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:13:22,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:13:22,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:13:22,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:13:22,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:13:22,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:13:22,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:13:22,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:13:22,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:13:22,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:13:22,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:13:22,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:13:22,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:13:22,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:13:22,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:13:22,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:13:22,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:13:22,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:13:22,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:13:22,389 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:13:22,390 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:13:22,391 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:13:22,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:13:22,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:13:22,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:13:22,392 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:13:22,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:13:22,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:22,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:13:22,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:13:22,393 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:13:22,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:13:22,393 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_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 [2022-11-20 17:13:22,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:13:22,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:13:22,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:13:22,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:13:22,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:13:22,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2022-11-20 17:13:25,675 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:13:26,002 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:13:26,002 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2022-11-20 17:13:26,014 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/data/dfcf6ef68/1d58da98710e449ea2652def3acb0b4e/FLAGc9919a2d8 [2022-11-20 17:13:26,028 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/data/dfcf6ef68/1d58da98710e449ea2652def3acb0b4e [2022-11-20 17:13:26,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:13:26,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:13:26,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:26,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:13:26,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:13:26,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4573b417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26, skipping insertion in model container [2022-11-20 17:13:26,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:13:26,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:13:26,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:26,410 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:13:26,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:26,507 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:13:26,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26 WrapperNode [2022-11-20 17:13:26,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:26,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:26,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:13:26,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:13:26,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,573 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-20 17:13:26,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:26,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:13:26,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:13:26,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:13:26,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:13:26,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:13:26,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:13:26,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:13:26,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:26" (1/1) ... [2022-11-20 17:13:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:26,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:13:26,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:13:26,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e44d2-744f-4d57-9976-d934ce142d1b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:13:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:13:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:13:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:13:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:13:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:13:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:13:26,803 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:13:26,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:13:26,956 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:13:27,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:13:27,095 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:13:27,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:27 BoogieIcfgContainer [2022-11-20 17:13:27,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:13:27,099 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:13:27,099 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:13:27,124 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:13:27,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:27" (1/1) ... [2022-11-20 17:13:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:13:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 17:13:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 17:13:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:13:27,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 17:13:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 17:13:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:13:27,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-11-20 17:13:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-20 17:13:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:13:28,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-11-20 17:13:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-20 17:13:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:13:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:28,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 17:13:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 17:13:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:13:29,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2022-11-20 17:13:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 17:13:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:13:29,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:29,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 17:13:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:13:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:13:30,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 17:13:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 17:13:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:13:31,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:31,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2022-11-20 17:13:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-20 17:13:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:13:33,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-20 17:13:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-20 17:13:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:13:37,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:37,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-11-20 17:13:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-11-20 17:13:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:13:39,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:39,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2022-11-20 17:13:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2022-11-20 17:13:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:13:48,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:48,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2022-11-20 17:13:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2022-11-20 17:13:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:13:58,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:02,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2022-11-20 17:14:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2022-11-20 17:14:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:14:02,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:02,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-11-20 17:14:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-11-20 17:14:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:14:07,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:07,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:14:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2022-11-20 17:14:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2022-11-20 17:14:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:14:17,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:17,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 69 states and 138 transitions. [2022-11-20 17:14:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 138 transitions. [2022-11-20 17:14:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:14:25,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:14:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2022-11-20 17:14:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2022-11-20 17:14:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:14:29,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 78 states and 168 transitions. [2022-11-20 17:14:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 168 transitions. [2022-11-20 17:14:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:14:54,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:54,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 186 transitions. [2022-11-20 17:15:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 186 transitions. [2022-11-20 17:15:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:15:11,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:15:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 85 states and 188 transitions. [2022-11-20 17:15:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 188 transitions. [2022-11-20 17:15:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:15:14,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:14,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:15:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 87 states and 192 transitions. [2022-11-20 17:15:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 192 transitions. [2022-11-20 17:15:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:15:16,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 89 states and 200 transitions. [2022-11-20 17:15:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 200 transitions. [2022-11-20 17:15:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:15:25,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:15:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 91 states and 203 transitions. [2022-11-20 17:15:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 203 transitions. [2022-11-20 17:15:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:15:29,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 97 states and 224 transitions. [2022-11-20 17:15:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 224 transitions. [2022-11-20 17:15:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:15:48,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:48,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:15:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 99 states and 224 transitions. [2022-11-20 17:15:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 224 transitions. [2022-11-20 17:15:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:15:54,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 228 transitions. [2022-11-20 17:15:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 228 transitions. [2022-11-20 17:15:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:15:58,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:16:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 103 states and 229 transitions. [2022-11-20 17:16:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 229 transitions. [2022-11-20 17:16:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:16:01,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 104 states and 231 transitions. [2022-11-20 17:16:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 231 transitions. [2022-11-20 17:16:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:16:03,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:03,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 114 states and 265 transitions. [2022-11-20 17:16:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 265 transitions. [2022-11-20 17:16:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:16:55,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:17:15,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 116 states and 271 transitions. [2022-11-20 17:17:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 271 transitions. [2022-11-20 17:17:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:17:15,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:17:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 120 states and 288 transitions. [2022-11-20 17:17:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 288 transitions. [2022-11-20 17:17:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:17:25,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:17:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 125 states and 311 transitions. [2022-11-20 17:17:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 311 transitions. [2022-11-20 17:17:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:17:58,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:18:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 129 states and 338 transitions. [2022-11-20 17:18:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 338 transitions. [2022-11-20 17:18:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:18:22,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:18:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 131 states and 342 transitions. [2022-11-20 17:18:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 342 transitions. [2022-11-20 17:18:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:18:28,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:18:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 132 states and 342 transitions. [2022-11-20 17:18:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 342 transitions. [2022-11-20 17:18:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:18:30,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:18:35,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 134 states and 343 transitions. [2022-11-20 17:18:35,738 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 343 transitions. [2022-11-20 17:18:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:18:35,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:18:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 136 states and 349 transitions. [2022-11-20 17:18:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 349 transitions. [2022-11-20 17:18:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:18:41,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:18:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 138 states and 350 transitions. [2022-11-20 17:18:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 350 transitions. [2022-11-20 17:18:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:18:48,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:48,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:18:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 140 states and 354 transitions. [2022-11-20 17:18:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 354 transitions. [2022-11-20 17:18:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:18:54,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 150 states and 404 transitions. [2022-11-20 17:19:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 404 transitions. [2022-11-20 17:19:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:19:45,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:45,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:19:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 152 states and 407 transitions. [2022-11-20 17:19:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 407 transitions. [2022-11-20 17:19:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:19:56,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 156 states and 430 transitions. [2022-11-20 17:20:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 430 transitions. [2022-11-20 17:20:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:20:29,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:29,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 160 states and 443 transitions. [2022-11-20 17:20:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 443 transitions. [2022-11-20 17:20:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:20:52,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:21:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 164 states and 455 transitions. [2022-11-20 17:21:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 455 transitions. [2022-11-20 17:21:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:06,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:21:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 166 states and 469 transitions. [2022-11-20 17:21:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 469 transitions. [2022-11-20 17:21:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:14,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 170 states and 482 transitions. [2022-11-20 17:21:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 482 transitions. [2022-11-20 17:21:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:29,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 178 states and 515 transitions. [2022-11-20 17:22:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 515 transitions. [2022-11-20 17:22:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:09,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:09,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:22:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 178 states and 514 transitions. [2022-11-20 17:22:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 514 transitions. [2022-11-20 17:22:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:12,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:22:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 177 states and 511 transitions. [2022-11-20 17:22:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 511 transitions. [2022-11-20 17:22:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:16,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 179 states and 515 transitions. [2022-11-20 17:22:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 515 transitions. [2022-11-20 17:22:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:23,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:23,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 185 states and 540 transitions. [2022-11-20 17:22:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 540 transitions. [2022-11-20 17:22:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:46,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 188 states and 547 transitions. [2022-11-20 17:23:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 547 transitions. [2022-11-20 17:23:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:23:01,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:01,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:23:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 188 states and 545 transitions. [2022-11-20 17:23:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 545 transitions. [2022-11-20 17:23:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:23:04,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 194 states and 578 transitions. [2022-11-20 17:23:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 578 transitions. [2022-11-20 17:23:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:23:43,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 196 states and 585 transitions. [2022-11-20 17:23:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 585 transitions. [2022-11-20 17:23:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:23:50,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:24:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 204 states and 627 transitions. [2022-11-20 17:24:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 627 transitions. [2022-11-20 17:24:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:24:23,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:24:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 206 states and 638 transitions. [2022-11-20 17:24:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 638 transitions. [2022-11-20 17:24:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:24:42,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 222 states and 698 transitions. [2022-11-20 17:26:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 698 transitions. [2022-11-20 17:26:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:26:44,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:44,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.