./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label43.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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/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 1517fa46ec5e3deaa556c4d1abf6414cd1124c01b59fb30f69a647372d6443be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:46:24,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:46:24,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:46:24,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:46:24,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:46:24,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:46:24,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:46:24,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:46:24,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:46:24,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:46:24,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:46:24,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:46:24,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:46:24,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:46:24,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:46:24,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:46:24,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:46:24,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:46:24,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:46:24,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:46:24,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:46:24,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:46:24,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:46:24,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:46:24,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:46:24,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:46:24,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:46:24,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:46:24,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:46:24,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:46:24,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:46:24,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:46:24,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:46:24,722 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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1517fa46ec5e3deaa556c4d1abf6414cd1124c01b59fb30f69a647372d6443be [2023-12-02 21:46:24,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:46:24,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:46:24,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:46:24,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:46:24,975 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:46:24,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label43.c [2023-12-02 21:46:27,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:46:27,960 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:46:27,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/sv-benchmarks/c/eca-rers2012/Problem14_label43.c [2023-12-02 21:46:27,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/data/08fd0dd76/8aff6547ebb94ef5959346a9dc7a83fd/FLAG6c0465488 [2023-12-02 21:46:27,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/data/08fd0dd76/8aff6547ebb94ef5959346a9dc7a83fd [2023-12-02 21:46:27,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:46:27,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:46:27,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:46:27,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:46:27,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:46:27,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:27" (1/1) ... [2023-12-02 21:46:27,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115f5dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:27, skipping insertion in model container [2023-12-02 21:46:27,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:46:27" (1/1) ... [2023-12-02 21:46:28,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:46:28,190 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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/sv-benchmarks/c/eca-rers2012/Problem14_label43.c[1819,1832] [2023-12-02 21:46:28,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:46:28,374 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:46:28,388 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_f7030ee3-37c4-4df4-b0a2-63dc380a7231/sv-benchmarks/c/eca-rers2012/Problem14_label43.c[1819,1832] [2023-12-02 21:46:28,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:46:28,533 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:46:28,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28 WrapperNode [2023-12-02 21:46:28,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:46:28,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:46:28,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:46:28,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:46:28,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,652 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-02 21:46:28,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:46:28,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:46:28,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:46:28,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:46:28,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:46:28,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:46:28,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:46:28,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:46:28,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:46:28" (1/1) ... [2023-12-02 21:46:28,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:46:28,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:46:28,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:46:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7030ee3-37c4-4df4-b0a2-63dc380a7231/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:46:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:46:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:46:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:46:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:46:28,863 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:46:28,865 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:46:29,982 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:46:33,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:46:33,562 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:46:33,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:33 BoogieIcfgContainer [2023-12-02 21:46:33,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:46:33,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:46:33,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:46:33,571 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:46:33,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:46:33" (1/1) ... [2023-12-02 21:46:33,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:46:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-02 21:46:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-02 21:46:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:46:33,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-02 21:46:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-02 21:46:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:46:33,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-02 21:46:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-02 21:46:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:46:52,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:52,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-02 21:47:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-02 21:47:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:47:26,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-12-02 21:47:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-12-02 21:47:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:47:59,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:49:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2023-12-02 21:49:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-12-02 21:49:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:49:12,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:50:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2023-12-02 21:50:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2023-12-02 21:50:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:50:25,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:25,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2023-12-02 21:52:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2023-12-02 21:52:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:52:22,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:22,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2023-12-02 21:58:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2023-12-02 21:58:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:58:06,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:06,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat