./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:21,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:21,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:03:21,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:21,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:21,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:21,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:21,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:21,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:21,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:21,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:21,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:21,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:21,514 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:03:21,514 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:03:21,515 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:03:21,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:21,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:21,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:21,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:21,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:21,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:21,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:21,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:21,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:21,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:21,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:21,522 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:21,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:21,523 INFO L153 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_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2023-11-24 23:03:21,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:21,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:21,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:21,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:21,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:21,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2023-11-24 23:03:25,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:25,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:25,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2023-11-24 23:03:25,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/data/b4bac0316/e09ae7c1f6484591ae6b051f8c3fceaa/FLAG06608a315 [2023-11-24 23:03:25,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/data/b4bac0316/e09ae7c1f6484591ae6b051f8c3fceaa [2023-11-24 23:03:25,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:25,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:25,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:25,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:25,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:25,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d66bb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25, skipping insertion in model container [2023-11-24 23:03:25,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:25,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:25,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:25,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:25,567 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:25,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25 WrapperNode [2023-11-24 23:03:25,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:25,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:25,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:25,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:25,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,602 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-24 23:03:25,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:25,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:25,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:25,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:25,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:25,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:25,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:25,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:25,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:25" (1/1) ... [2023-11-24 23:03:25,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:25,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:25,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:25,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4515874d-167a-495f-b785-49cecbcb031b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:25,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:03:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:25,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:03:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:25,809 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:25,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:26,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:26,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:26,109 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:03:26,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:26 BoogieIcfgContainer [2023-11-24 23:03:26,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:26,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:26,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:26,122 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:26,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:26" (1/1) ... [2023-11-24 23:03:26,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-24 23:03:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 23:03:26,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:03:26,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-24 23:03:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 23:03:26,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:03:26,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:26,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-24 23:03:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 23:03:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:03:26,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:26,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-24 23:03:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-24 23:03:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:03:26,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:26,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-24 23:03:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-24 23:03:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:03:27,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:27,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-24 23:03:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-24 23:03:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:28,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-24 23:03:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-24 23:03:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:28,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-24 23:03:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-24 23:03:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:29,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2023-11-24 23:03:30,234 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-24 23:03:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:30,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2023-11-24 23:03:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2023-11-24 23:03:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:30,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-24 23:03:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-24 23:03:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:03:32,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2023-11-24 23:03:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2023-11-24 23:03:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:03:32,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2023-11-24 23:03:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2023-11-24 23:03:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:03:33,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:33,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:03:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2023-11-24 23:03:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2023-11-24 23:03:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:03:34,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2023-11-24 23:03:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2023-11-24 23:03:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:35,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2023-11-24 23:03:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-24 23:03:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:36,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-24 23:03:36,757 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-24 23:03:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:36,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:03:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2023-11-24 23:03:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2023-11-24 23:03:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:37,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:39,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2023-11-24 23:03:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2023-11-24 23:03:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:39,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:39,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2023-11-24 23:03:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-24 23:03:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:40,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 77 states and 144 transitions. [2023-11-24 23:03:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 144 transitions. [2023-11-24 23:03:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:03:40,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 23:03:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 145 transitions. [2023-11-24 23:03:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2023-11-24 23:03:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:03:41,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 81 states and 166 transitions. [2023-11-24 23:03:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 166 transitions. [2023-11-24 23:03:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:44,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 178 transitions. [2023-11-24 23:03:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 178 transitions. [2023-11-24 23:03:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:45,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2023-11-24 23:03:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2023-11-24 23:03:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:46,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:46,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 88 states and 185 transitions. [2023-11-24 23:03:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 185 transitions. [2023-11-24 23:03:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:03:47,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 185 transitions. [2023-11-24 23:03:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2023-11-24 23:03:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:03:48,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 94 states and 212 transitions. [2023-11-24 23:03:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 212 transitions. [2023-11-24 23:03:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:03:51,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:03:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 95 states and 213 transitions. [2023-11-24 23:03:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 213 transitions. [2023-11-24 23:03:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:03:51,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:03:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2023-11-24 23:03:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2023-11-24 23:03:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:03:52,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:52,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 99 states and 238 transitions. [2023-11-24 23:03:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 238 transitions. [2023-11-24 23:03:55,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:55,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 102 states and 254 transitions. [2023-11-24 23:03:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 254 transitions. [2023-11-24 23:03:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:56,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 105 states and 265 transitions. [2023-11-24 23:03:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 265 transitions. [2023-11-24 23:03:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:58,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 107 states and 266 transitions. [2023-11-24 23:03:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 266 transitions. [2023-11-24 23:03:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:58,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 108 states and 274 transitions. [2023-11-24 23:03:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 274 transitions. [2023-11-24 23:03:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:59,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 109 states and 282 transitions. [2023-11-24 23:04:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 282 transitions. [2023-11-24 23:04:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:04:00,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:01,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 110 states and 282 transitions. [2023-11-24 23:04:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 282 transitions. [2023-11-24 23:04:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:04:01,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 111 states and 282 transitions. [2023-11-24 23:04:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 282 transitions. [2023-11-24 23:04:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:04:02,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:04:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 112 states and 283 transitions. [2023-11-24 23:04:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 283 transitions. [2023-11-24 23:04:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:04:03,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 116 states and 309 transitions. [2023-11-24 23:04:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 309 transitions. [2023-11-24 23:04:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:04:06,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 118 states and 319 transitions. [2023-11-24 23:04:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 319 transitions. [2023-11-24 23:04:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:04:07,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 121 states and 338 transitions. [2023-11-24 23:04:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 338 transitions. [2023-11-24 23:04:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:04:09,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 122 states and 345 transitions. [2023-11-24 23:04:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 345 transitions. [2023-11-24 23:04:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:04:09,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.