./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label44.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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/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 fa9d2acb477e5597286ed66c09500081f8cdead1505b7e844467a9794e73fef7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:29:02,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:29:02,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:29:02,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:29:02,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:29:02,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:29:02,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:29:02,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:29:02,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:29:02,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:29:02,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:29:02,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:29:02,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:29:02,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:29:02,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:29:02,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:29:02,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:29:02,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:29:02,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:29:02,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:29:02,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:29:02,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:29:02,831 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:29:02,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:29:02,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:29:02,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:29:02,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:02,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:29:02,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:29:02,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:29:02,834 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:29:02,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:29:02,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:29:02,835 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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9d2acb477e5597286ed66c09500081f8cdead1505b7e844467a9794e73fef7 [2023-12-03 01:29:03,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:29:03,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:29:03,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:29:03,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:29:03,086 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:29:03,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem07_label44.c [2023-12-03 01:29:05,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:29:07,327 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:29:07,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/sv-benchmarks/c/eca-rers2012/Problem07_label44.c [2023-12-03 01:29:07,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/data/bdb1b00c3/31bfba2e838b4666a54fddc45140c098/FLAG098db243e [2023-12-03 01:29:07,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/data/bdb1b00c3/31bfba2e838b4666a54fddc45140c098 [2023-12-03 01:29:07,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:29:07,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:29:07,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:07,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:29:07,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:29:07,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:07" (1/1) ... [2023-12-03 01:29:07,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373759f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:07, skipping insertion in model container [2023-12-03 01:29:07,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:07" (1/1) ... [2023-12-03 01:29:08,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:29:19,227 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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/sv-benchmarks/c/eca-rers2012/Problem07_label44.c[2769500,2769513] [2023-12-03 01:29:19,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:19,318 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:29:25,855 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_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/sv-benchmarks/c/eca-rers2012/Problem07_label44.c[2769500,2769513] [2023-12-03 01:29:25,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:26,885 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:29:26,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26 WrapperNode [2023-12-03 01:29:26,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:26,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:26,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:29:26,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:29:26,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:27,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:29,712 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-12-03 01:29:29,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:29,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:29:29,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:29:29,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:29:29,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:29,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:30,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:30,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:29:31,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:29:31,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:29:31,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:29:31,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:26" (1/1) ... [2023-12-03 01:29:31,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:29:32,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:29:32,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04187f23-faaf-4e0d-8a00-bd8fb4a3c1fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:29:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:29:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:29:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:29:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:29:32,170 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:29:32,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:30:10,856 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:30:11,897 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:30:11,897 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:30:11,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:30:11 BoogieIcfgContainer [2023-12-03 01:30:11,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:30:11,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:30:11,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:30:11,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:30:11,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:30:11" (1/1) ... [2023-12-03 01:30:11,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:30:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 01:30:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 01:30:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 01:30:12,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:30:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:52,709 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 01:31:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-03 01:31:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-03 01:31:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 01:31:34,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:31:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:59,867 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 01:32:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-03 01:32:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-03 01:32:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 01:32:02,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:32:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:26,776 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 01:32:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-03 01:32:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-03 01:32:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-03 01:32:28,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:28,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:32:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:53,344 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 01:32:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-03 01:32:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-03 01:32:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 01:32:54,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:32:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:22,917 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 01:33:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-03 01:33:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-03 01:33:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 01:33:25,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:52,215 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 01:33:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-03 01:33:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-03 01:33:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 01:33:53,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:53,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:16,594 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 01:34:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-03 01:34:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-03 01:34:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 01:34:18,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:34:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:41,456 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 01:34:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-03 01:34:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-03 01:34:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-03 01:34:43,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:34:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:05,523 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 01:35:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-03 01:35:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-03 01:35:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-03 01:35:07,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:35:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:30,764 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 01:35:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-03 01:35:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-03 01:35:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-03 01:35:32,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:35:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:04,020 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 01:36:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-03 01:36:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-03 01:36:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-03 01:36:05,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:36:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:36:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:36:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35512 states to 20307 states and 35512 transitions. [2023-12-03 01:36:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 20307 states and 35512 transitions. [2023-12-03 01:36:33,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10112 [2023-12-03 01:36:33,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:36:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:36:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:36:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:37:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35543 states to 20332 states and 35543 transitions. [2023-12-03 01:37:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 35543 transitions. [2023-12-03 01:37:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10113 [2023-12-03 01:37:01,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:37:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35547 states to 20335 states and 35547 transitions. [2023-12-03 01:37:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20335 states and 35547 transitions. [2023-12-03 01:37:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10114 [2023-12-03 01:37:28,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:37:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35550 states to 20337 states and 35550 transitions. [2023-12-03 01:37:56,210 INFO L276 IsEmpty]: Start isEmpty. Operand 20337 states and 35550 transitions. [2023-12-03 01:37:56,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2023-12-03 01:37:56,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35587 states to 20367 states and 35587 transitions. [2023-12-03 01:38:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 20367 states and 35587 transitions. [2023-12-03 01:38:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2023-12-03 01:38:23,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:38:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:38:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:38:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35589 states to 20369 states and 35589 transitions. [2023-12-03 01:38:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 20369 states and 35589 transitions. [2023-12-03 01:38:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10122 [2023-12-03 01:38:46,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:38:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:38:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:39:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:39:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35598 states to 20377 states and 35598 transitions. [2023-12-03 01:39:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 20377 states and 35598 transitions. [2023-12-03 01:39:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10123 [2023-12-03 01:39:16,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:39:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:39:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:39:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:39:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:39:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35610 states to 20387 states and 35610 transitions. [2023-12-03 01:39:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20387 states and 35610 transitions. [2023-12-03 01:39:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10124 [2023-12-03 01:39:42,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:39:42,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:39:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat