./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk --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 79b7ed930517f0c303520f60ebdea461202c3431ddfaa74076064178b3e4d861 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:27,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:28,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:48:28,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:48:28,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:48:28,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:28,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:28,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:28,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:28,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:28,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:28,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:28,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:48:28,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:48:28,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:48:28,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:28,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:28,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:28,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:28,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:28,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:48:28,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:28,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:28,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:28,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:28,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:28,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:28,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:28,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:28,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:28,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:28,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:48:28,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:48:28,166 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_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b7ed930517f0c303520f60ebdea461202c3431ddfaa74076064178b3e4d861 [2024-11-08 19:48:28,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:28,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:28,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:28,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:28,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:28,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c Unable to find full path for "g++" [2024-11-08 19:48:30,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:30,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:30,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/sv-benchmarks/c/eca-rers2012/Problem14_label40.c [2024-11-08 19:48:30,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/data/85b9122c4/8f83e0685163447cb483525cc00f53e6/FLAG99794a328 [2024-11-08 19:48:30,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/data/85b9122c4/8f83e0685163447cb483525cc00f53e6 [2024-11-08 19:48:30,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:30,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:30,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:30,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:30,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:30,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:30" (1/1) ... [2024-11-08 19:48:30,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2f483e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:30, skipping insertion in model container [2024-11-08 19:48:30,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:30" (1/1) ... [2024-11-08 19:48:30,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:31,103 WARN L250 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_026ef279-9384-44df-86fe-eab26a3f3cd2/sv-benchmarks/c/eca-rers2012/Problem14_label40.c[2182,2195] [2024-11-08 19:48:31,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:31,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:31,431 WARN L250 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_026ef279-9384-44df-86fe-eab26a3f3cd2/sv-benchmarks/c/eca-rers2012/Problem14_label40.c[2182,2195] [2024-11-08 19:48:31,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:31,624 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:31,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31 WrapperNode [2024-11-08 19:48:31,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:31,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:31,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:31,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:31,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,771 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 19:48:31,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:31,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:31,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:31,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:31,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:31,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:31,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:31,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:31,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:31" (1/1) ... [2024-11-08 19:48:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:31,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026ef279-9384-44df-86fe-eab26a3f3cd2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:48:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:32,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:32,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:33,843 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:33,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:39,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:39,783 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:48:39,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:39 BoogieIcfgContainer [2024-11-08 19:48:39,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:39,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:39,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:39,797 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:39,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:39" (1/1) ... [2024-11-08 19:48:39,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 19:48:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 19:48:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:48:39,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:39,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:48:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 19:48:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 19:48:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:48:40,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:40,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:49:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 19:49:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 19:49:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:49:10,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:49:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 19:49:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 19:49:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:49:51,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:51,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:50:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2024-11-08 19:50:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2024-11-08 19:50:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:50:47,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:52:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:52:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-08 19:52:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-08 19:52:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:52:04,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:52:04,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat