./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label48.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_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/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_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/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_135d63fd-72a7-47f3-b97d-8af30c86f1be/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 8261a53c19f43c038d6c9bf7efdae8a565c27af3d0b11334f16494326c28bf76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:24:38,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:24:38,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:24:38,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:24:38,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:24:38,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:24:38,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:24:38,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:24:38,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:24:38,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:24:38,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:24:38,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:24:38,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:24:38,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:24:38,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:24:38,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:24:38,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:24:38,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:24:38,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:24:38,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:24:38,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:24:38,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:24:38,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:24:38,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:24:38,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:24:38,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:24:38,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:24:38,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:24:38,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:24:38,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:24:38,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:24:38,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:24:38,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:24:38,916 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_135d63fd-72a7-47f3-b97d-8af30c86f1be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8261a53c19f43c038d6c9bf7efdae8a565c27af3d0b11334f16494326c28bf76 [2023-12-03 01:24:39,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:24:39,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:24:39,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:24:39,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:24:39,162 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:24:39,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label48.c [2023-12-03 01:24:41,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:24:42,112 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:24:42,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/sv-benchmarks/c/eca-rers2012/Problem14_label48.c [2023-12-03 01:24:42,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/data/4939ee495/bcf6191fecdb4b968bbf9b28518467fe/FLAG0e939bfc4 [2023-12-03 01:24:42,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/data/4939ee495/bcf6191fecdb4b968bbf9b28518467fe [2023-12-03 01:24:42,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:24:42,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:24:42,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:24:42,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:24:42,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:24:42,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cac3781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42, skipping insertion in model container [2023-12-03 01:24:42,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:24:42,377 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_135d63fd-72a7-47f3-b97d-8af30c86f1be/sv-benchmarks/c/eca-rers2012/Problem14_label48.c[4040,4053] [2023-12-03 01:24:42,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:24:42,539 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:24:42,562 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_135d63fd-72a7-47f3-b97d-8af30c86f1be/sv-benchmarks/c/eca-rers2012/Problem14_label48.c[4040,4053] [2023-12-03 01:24:42,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:24:42,676 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:24:42,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42 WrapperNode [2023-12-03 01:24:42,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:24:42,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:24:42,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:24:42,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:24:42,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,795 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-03 01:24:42,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:24:42,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:24:42,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:24:42,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:24:42,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:24:42,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:24:42,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:24:42,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:24:42,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:42" (1/1) ... [2023-12-03 01:24:42,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:24:42,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:24:42,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:24:42,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d63fd-72a7-47f3-b97d-8af30c86f1be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:24:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:24:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:24:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:24:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:24:43,008 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:24:43,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:24:44,110 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:24:47,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:24:47,770 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:24:47,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:24:47 BoogieIcfgContainer [2023-12-03 01:24:47,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:24:47,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:24:47,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:24:47,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:24:47,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:24:47" (1/1) ... [2023-12-03 01:24:47,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:24:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 01:24:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 01:24:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:24:47,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:47,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:48,068 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 01:24:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-12-03 01:24:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-12-03 01:24:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:24:48,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:48,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-12-03 01:25:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-12-03 01:25:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:25:06,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2023-12-03 01:25:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2023-12-03 01:25:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:25:40,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2023-12-03 01:26:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-12-03 01:26:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:26:55,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-12-03 01:28:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-12-03 01:28:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:28:07,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:31:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2023-12-03 01:31:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2023-12-03 01:31:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:31:27,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:31:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:34:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2023-12-03 01:34:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2023-12-03 01:34:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:34:52,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:34:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat