./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b --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 138fe3363990224d4ee1c993f67206032b375644ce625e0beb4bc6a3fb870415 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:10:00,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:10:00,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:10:00,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:10:00,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:10:00,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:10:00,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:10:00,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:10:00,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:10:00,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:10:00,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:10:00,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:10:00,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:10:00,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:10:00,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:10:00,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:10:00,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:10:00,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:10:00,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:10:00,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b 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 -> 138fe3363990224d4ee1c993f67206032b375644ce625e0beb4bc6a3fb870415 [2024-12-06 00:10:01,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:10:01,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:10:01,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:10:01,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:10:01,118 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:10:01,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem07_label03.c [2024-12-06 00:10:03,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/data/dc92c12bd/f3cf2a89f2144589a61a8c774fb79952/FLAG634ac034e [2024-12-06 00:10:05,071 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:10:05,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/sv-benchmarks/c/eca-rers2012/Problem07_label03.c [2024-12-06 00:10:05,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/data/dc92c12bd/f3cf2a89f2144589a61a8c774fb79952/FLAG634ac034e [2024-12-06 00:10:05,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/data/dc92c12bd/f3cf2a89f2144589a61a8c774fb79952 [2024-12-06 00:10:05,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:10:05,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:10:05,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:10:05,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:10:05,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:10:05,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:10:05" (1/1) ... [2024-12-06 00:10:05,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff57567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:05, skipping insertion in model container [2024-12-06 00:10:05,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:10:05" (1/1) ... [2024-12-06 00:10:05,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:10:14,725 WARN L250 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_1d227c87-c0ed-47e0-a258-3325285c0fed/sv-benchmarks/c/eca-rers2012/Problem07_label03.c[2770520,2770533] [2024-12-06 00:10:14,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:10:14,784 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:10:20,341 WARN L250 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_1d227c87-c0ed-47e0-a258-3325285c0fed/sv-benchmarks/c/eca-rers2012/Problem07_label03.c[2770520,2770533] [2024-12-06 00:10:20,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:10:20,982 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:10:20,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20 WrapperNode [2024-12-06 00:10:20,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:10:20,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:10:20,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:10:20,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:10:20,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:21,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,059 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-12-06 00:10:23,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:10:23,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:10:23,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:10:23,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:10:23,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:23,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:24,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:24,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:24,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:24,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:10:24,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:10:24,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:10:24,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:10:24,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:10:20" (1/1) ... [2024-12-06 00:10:24,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:10:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:10:24,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:10:24,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d227c87-c0ed-47e0-a258-3325285c0fed/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:10:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:10:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:10:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:10:24,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:10:24,645 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:10:24,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:11:03,964 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-12-06 00:11:03,965 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:11:04,761 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:11:04,762 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:11:04,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:04 BoogieIcfgContainer [2024-12-06 00:11:04,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:11:04,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:11:04,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:11:04,776 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:11:04,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:04" (1/1) ... [2024-12-06 00:11:04,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:11:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-12-06 00:11:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-12-06 00:11:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-12-06 00:11:05,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:05,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2024-12-06 00:12:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2024-12-06 00:12:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2024-12-06 00:12:08,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2024-12-06 00:12:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2024-12-06 00:12:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2024-12-06 00:12:24,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:24,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2024-12-06 00:12:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2024-12-06 00:12:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2024-12-06 00:12:41,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2024-12-06 00:12:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2024-12-06 00:12:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2024-12-06 00:12:57,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:57,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:13:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2024-12-06 00:13:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2024-12-06 00:13:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2024-12-06 00:13:15,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:13:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat