./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea4e04de29fa04e316b1063e2c301081a96912d1c888b8274da21d93239e0001 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:17,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:17,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:19:17,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:17,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:17,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:17,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:17,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:17,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:17,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:17,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:17,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:17,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:17,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:17,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:17,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:17,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:17,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:17,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:17,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:17,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:17,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:17,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:17,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:17,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:17,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:17,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:17,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:17,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:17,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:17,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:17,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:17,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:17,438 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_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea4e04de29fa04e316b1063e2c301081a96912d1c888b8274da21d93239e0001 [2023-11-19 03:19:17,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:17,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:17,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:17,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:17,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:17,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label00.c [2023-11-19 03:19:20,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:21,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:21,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/sv-benchmarks/c/eca-rers2012/Problem06_label00.c [2023-11-19 03:19:21,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/data/8e9c2a26e/fd32b427834a402ab5e44ada473f8c3c/FLAG3857f8ae6 [2023-11-19 03:19:21,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/data/8e9c2a26e/fd32b427834a402ab5e44ada473f8c3c [2023-11-19 03:19:21,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:21,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:21,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:21,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:21,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:21,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:21" (1/1) ... [2023-11-19 03:19:21,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5af1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:21, skipping insertion in model container [2023-11-19 03:19:21,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:21" (1/1) ... [2023-11-19 03:19:22,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:24,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/sv-benchmarks/c/eca-rers2012/Problem06_label00.c[331056,331069] [2023-11-19 03:19:24,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:24,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:25,586 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/sv-benchmarks/c/eca-rers2012/Problem06_label00.c[331056,331069] [2023-11-19 03:19:25,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:25,649 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:25,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25 WrapperNode [2023-11-19 03:19:25,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:25,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:25,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:25,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:25,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:25,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,136 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 03:19:26,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:26,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:26,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:26,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:26,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:26,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:26,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:26,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:26,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:26,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2fa7fce-3fb6-4d8f-9fa8-119cb07ea381/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:26,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:26,926 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:34,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:36,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:36,046 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:19:36,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:36 BoogieIcfgContainer [2023-11-19 03:19:36,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:36,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:36,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:36,075 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:36,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:36" (1/1) ... [2023-11-19 03:19:36,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 03:19:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 03:19:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 03:19:36,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 1865 states and 2978 transitions. [2023-11-19 03:19:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2978 transitions. [2023-11-19 03:19:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 03:19:47,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 1868 states and 2983 transitions. [2023-11-19 03:19:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2983 transitions. [2023-11-19 03:19:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 03:19:49,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 1872 states and 2990 transitions. [2023-11-19 03:19:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2990 transitions. [2023-11-19 03:19:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2023-11-19 03:19:51,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 1877 states and 2999 transitions. [2023-11-19 03:19:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2999 transitions. [2023-11-19 03:19:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 03:19:52,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 1884 states and 3010 transitions. [2023-11-19 03:19:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3010 transitions. [2023-11-19 03:19:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 03:19:54,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 1892 states and 3023 transitions. [2023-11-19 03:19:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3023 transitions. [2023-11-19 03:19:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 03:19:58,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 1898 states and 3031 transitions. [2023-11-19 03:19:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3031 transitions. [2023-11-19 03:19:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 03:19:59,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1901 states and 3036 transitions. [2023-11-19 03:20:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3036 transitions. [2023-11-19 03:20:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 03:20:00,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 1906 states and 3044 transitions. [2023-11-19 03:20:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 3044 transitions. [2023-11-19 03:20:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2023-11-19 03:20:01,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat