./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9 --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 bc0c987e1a7ba46775705505d09cb94d967fadd6d9e6218a822aa4c4e061e2a4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:03:08,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:03:08,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:03:08,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:03:08,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:03:08,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:03:08,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:03:08,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:03:08,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:03:08,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:03:08,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:03:08,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:03:08,769 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:03:08,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:03:08,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:03:08,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:03:08,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:03:08,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:03:08,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:03:08,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:03:08,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:03:08,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:03:08,775 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:03:08,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:03:08,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:03:08,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:03:08,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:08,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:03:08,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:03:08,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:03:08,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:03:08,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:03:08,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:03:08,786 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_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc0c987e1a7ba46775705505d09cb94d967fadd6d9e6218a822aa4c4e061e2a4 [2023-12-03 03:03:09,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:03:09,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:03:09,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:03:09,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:03:09,045 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:03:09,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label01.c [2023-12-03 03:03:11,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:03:13,256 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:03:13,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/sv-benchmarks/c/eca-programs/Problem101_label01.c [2023-12-03 03:03:13,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/data/310c66716/f2595526b6524234b0815d82a80d7e5e/FLAG8167a0328 [2023-12-03 03:03:13,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/data/310c66716/f2595526b6524234b0815d82a80d7e5e [2023-12-03 03:03:13,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:03:13,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:03:13,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:13,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:03:13,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:03:13,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:13" (1/1) ... [2023-12-03 03:03:13,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d19860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:13, skipping insertion in model container [2023-12-03 03:03:13,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:13" (1/1) ... [2023-12-03 03:03:14,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:03:24,791 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_1a6a3dc0-d038-4630-b60c-8027f0adc80a/sv-benchmarks/c/eca-programs/Problem101_label01.c[2766796,2766809] [2023-12-03 03:03:24,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:24,871 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:03:31,298 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_1a6a3dc0-d038-4630-b60c-8027f0adc80a/sv-benchmarks/c/eca-programs/Problem101_label01.c[2766796,2766809] [2023-12-03 03:03:31,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:32,105 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:03:32,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32 WrapperNode [2023-12-03 03:03:32,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:32,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:32,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:03:32,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:03:32,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:32,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:34,286 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 03:03:34,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:34,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:03:34,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:03:34,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:03:34,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:34,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:34,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:34,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:35,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:35,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:36,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:36,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:36,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:03:36,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:03:36,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:03:36,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:03:36,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:32" (1/1) ... [2023-12-03 03:03:36,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:36,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:03:36,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:03:36,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6a3dc0-d038-4630-b60c-8027f0adc80a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:03:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:03:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:03:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:03:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:03:36,556 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:03:36,558 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:04:15,854 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:04:16,831 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:04:16,832 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:04:16,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:16 BoogieIcfgContainer [2023-12-03 03:04:16,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:04:16,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:04:16,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:04:16,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:04:16,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:16" (1/1) ... [2023-12-03 03:04:16,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:04:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 03:04:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 03:04:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 03:04:17,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:17,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-03 03:05:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-03 03:05:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 03:05:34,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-03 03:06:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-03 03:06:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 03:06:00,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-03 03:06:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-03 03:06:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-03 03:06:27,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:06:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:06:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-03 03:06:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-03 03:06:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 03:06:51,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:06:51,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:06:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:07:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-03 03:07:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-03 03:07:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 03:07:18,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:07:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-03 03:07:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-03 03:07:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 03:07:44,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:44,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-03 03:08:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-03 03:08:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 03:08:08,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:08,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-03 03:08:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-03 03:08:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-03 03:08:32,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-03 03:08:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-03 03:08:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-03 03:08:55,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:09:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:09:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:09:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-03 03:09:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-03 03:09:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-03 03:09:20,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:09:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:09:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:09:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:09:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:09:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-03 03:09:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-03 03:09:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-03 03:09:59,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:09:59,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:10:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat