./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/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 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:43:02,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:43:02,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:43:02,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:43:02,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:43:02,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:43:02,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:43:02,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:43:02,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:43:02,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:43:02,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:43:02,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:43:02,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:43:02,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:43:02,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:43:02,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:43:02,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:43:02,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:43:02,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:43:02,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:43:02,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:43:02,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:43:02,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:43:02,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:43:02,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:43:02,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:43:02,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:43:02,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:43:02,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:43:02,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:43:02,986 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:43:02,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:43:02,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:43:02,987 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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea [2023-12-03 01:43:03,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:43:03,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:43:03,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:43:03,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:43:03,238 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:43:03,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label15.c [2023-12-03 01:43:05,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:43:07,526 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:43:07,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/sv-benchmarks/c/eca-programs/Problem101_label15.c [2023-12-03 01:43:07,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/data/3bc3dc964/6c89c38b77e345aeaebec86d71a07f31/FLAG9bcbf3611 [2023-12-03 01:43:07,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/data/3bc3dc964/6c89c38b77e345aeaebec86d71a07f31 [2023-12-03 01:43:07,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:43:07,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:43:07,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:43:07,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:43:07,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:43:07,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:43:07" (1/1) ... [2023-12-03 01:43:07,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf876eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:07, skipping insertion in model container [2023-12-03 01:43:07,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:43:07" (1/1) ... [2023-12-03 01:43:08,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:43:19,108 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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2023-12-03 01:43:19,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:43:19,181 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:43:25,638 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_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2023-12-03 01:43:25,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:43:26,412 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:43:26,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26 WrapperNode [2023-12-03 01:43:26,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:43:26,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:43:26,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:43:26,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:43:26,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:26,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:28,828 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 01:43:28,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:43:28,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:43:28,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:43:28,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:43:28,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:28,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:29,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:29,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:29,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:29,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:30,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:30,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:30,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:43:30,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:43:30,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:43:30,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:43:30,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:43:26" (1/1) ... [2023-12-03 01:43:30,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:43:30,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:43:30,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:43:30,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fceda82-b7b8-4366-8fc0-18cbd004e2cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:43:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:43:30,884 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:43:30,886 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:11,245 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:12,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:12,356 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:44:12,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:12 BoogieIcfgContainer [2023-12-03 01:44:12,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:12,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:12,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:12,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:12,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:12" (1/1) ... [2023-12-03 01:44:12,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 01:44:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 01:44:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 01:44:13,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:43,778 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 01:45:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:45:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34422 states to 20218 states and 34422 transitions. [2023-12-03 01:45:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 34422 transitions. [2023-12-03 01:45:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 01:45:25,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:45:25,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:45:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:45:48,478 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 01:45:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:45:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34427 states to 20221 states and 34427 transitions. [2023-12-03 01:45:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 34427 transitions. [2023-12-03 01:45:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 01:45:50,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:45:50,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:45:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:11,291 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 01:46:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34434 states to 20225 states and 34434 transitions. [2023-12-03 01:46:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 34434 transitions. [2023-12-03 01:46:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10092 [2023-12-03 01:46:13,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:13,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:46:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34435 states to 20226 states and 34435 transitions. [2023-12-03 01:46:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 20226 states and 34435 transitions. [2023-12-03 01:46:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10096 [2023-12-03 01:46:36,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34448 states to 20235 states and 34448 transitions. [2023-12-03 01:47:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 20235 states and 34448 transitions. [2023-12-03 01:47:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 01:47:03,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:26,948 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 01:47:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34463 states to 20245 states and 34463 transitions. [2023-12-03 01:47:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20245 states and 34463 transitions. [2023-12-03 01:47:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 01:47:28,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:53,374 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 01:47:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34464 states to 20246 states and 34464 transitions. [2023-12-03 01:47:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 20246 states and 34464 transitions. [2023-12-03 01:47:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 01:47:55,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:15,964 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 01:48:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34482 states to 20258 states and 34482 transitions. [2023-12-03 01:48:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 20258 states and 34482 transitions. [2023-12-03 01:48:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10101 [2023-12-03 01:48:18,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.