./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/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 63a760a667f36e72527e0d2fa5067d00224c1c33e53252a8399b2127b2da534a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:49,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:49,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:49,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:49,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:49,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:49,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:49,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:49,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:49,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:49,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:49,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:49,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:49,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:49,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:49,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:49,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:49,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:49,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:49,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:49,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:49,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:49,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:49,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:49,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:49,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:49,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:49,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:49,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:49,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:49,849 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:49,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:49,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:49,851 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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a760a667f36e72527e0d2fa5067d00224c1c33e53252a8399b2127b2da534a [2023-11-19 04:03:50,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:50,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:50,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:50,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:50,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:50,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label35.c [2023-11-19 04:03:53,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:54,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:54,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/sv-benchmarks/c/eca-rers2012/Problem06_label35.c [2023-11-19 04:03:54,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/data/686963e63/b2699a8500dd4351b6e443d9618f69bf/FLAG0e4e9d593 [2023-11-19 04:03:54,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/data/686963e63/b2699a8500dd4351b6e443d9618f69bf [2023-11-19 04:03:54,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:54,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:54,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:54,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:54,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:54,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:54" (1/1) ... [2023-11-19 04:03:54,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f3011e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:54, skipping insertion in model container [2023-11-19 04:03:54,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:54" (1/1) ... [2023-11-19 04:03:54,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:57,320 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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/sv-benchmarks/c/eca-rers2012/Problem06_label35.c[334547,334560] [2023-11-19 04:03:57,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:57,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:58,864 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_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/sv-benchmarks/c/eca-rers2012/Problem06_label35.c[334547,334560] [2023-11-19 04:03:58,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:58,940 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:58,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58 WrapperNode [2023-11-19 04:03:58,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:58,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:58,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:58,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:58,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,577 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 04:03:59,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:59,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:59,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:59,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:59,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:03:59,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:04:00,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:04:00,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:04:00,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:04:00,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:00,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:00,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:00,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:00,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:58" (1/1) ... [2023-11-19 04:04:00,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:00,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:00,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:00,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a6fc0-2f49-4cba-af67-7d9211dd0bbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:00,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:00,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:10,178 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:11,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:11,788 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:04:11,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:11 BoogieIcfgContainer [2023-11-19 04:04:11,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:11,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:11,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:11,816 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:11,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:11" (1/1) ... [2023-11-19 04:04:11,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 04:04:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 04:04:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 04:04:12,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:12,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,679 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 04:04:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1865 states and 2998 transitions. [2023-11-19 04:04:23,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2998 transitions. [2023-11-19 04:04:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 04:04:23,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,768 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 04:04:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 1868 states and 3003 transitions. [2023-11-19 04:04:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3003 transitions. [2023-11-19 04:04:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 04:04:26,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:28,306 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 04:04:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1875 states and 3013 transitions. [2023-11-19 04:04:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3013 transitions. [2023-11-19 04:04:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 04:04:28,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,299 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 04:04:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 1883 states and 3025 transitions. [2023-11-19 04:04:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3025 transitions. [2023-11-19 04:04:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 04:04:31,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 1892 states and 3039 transitions. [2023-11-19 04:04:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3039 transitions. [2023-11-19 04:04:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 04:04:33,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat