./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3 --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 9b09a0fefbe5958e3921329b980c8e1375b708e4803fba0d8e1dfc742c64b031 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:54:43,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:54:43,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:54:43,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:54:43,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:54:43,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:54:43,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:54:43,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:54:43,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:54:43,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:54:43,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:54:43,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:54:43,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:54:43,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:54:43,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:54:43,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:54:43,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:54:43,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:54:43,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:54:43,681 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:54:43,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:54:43,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:54:43,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:54:43,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:54:43,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:54:43,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:54:43,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:54:43,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:43,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:54:43,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:54:43,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:54:43,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:54:43,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:54:43,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9b09a0fefbe5958e3921329b980c8e1375b708e4803fba0d8e1dfc742c64b031 [2024-11-25 02:54:43,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:54:43,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:54:43,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:54:43,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:54:44,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:54:44,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem16_label19.c [2024-11-25 02:54:47,003 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/data/06b90eec3/ca606bf182d343d9ab0859c7cfa72d27/FLAG5224ea15b [2024-11-25 02:54:47,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:54:47,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/sv-benchmarks/c/eca-rers2012/Problem16_label19.c [2024-11-25 02:54:47,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/data/06b90eec3/ca606bf182d343d9ab0859c7cfa72d27/FLAG5224ea15b [2024-11-25 02:54:47,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/data/06b90eec3/ca606bf182d343d9ab0859c7cfa72d27 [2024-11-25 02:54:47,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:54:47,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:54:47,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:47,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:54:47,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:54:47,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:47" (1/1) ... [2024-11-25 02:54:47,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21389ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:47, skipping insertion in model container [2024-11-25 02:54:47,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:47" (1/1) ... [2024-11-25 02:54:47,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:54:47,876 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_d52aad63-d015-4a20-b867-26e61442083e/sv-benchmarks/c/eca-rers2012/Problem16_label19.c[4623,4636] [2024-11-25 02:54:48,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:48,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:54:48,325 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_d52aad63-d015-4a20-b867-26e61442083e/sv-benchmarks/c/eca-rers2012/Problem16_label19.c[4623,4636] [2024-11-25 02:54:48,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:48,582 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:54:48,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48 WrapperNode [2024-11-25 02:54:48,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:48,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:48,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:54:48,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:54:48,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,781 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-11-25 02:54:48,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:48,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:54:48,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:54:48,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:54:48,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:48,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:54:48,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:54:48,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:54:48,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:54:48,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:48" (1/1) ... [2024-11-25 02:54:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:54:49,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:54:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52aad63-d015-4a20-b867-26e61442083e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:54:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:54:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:54:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:54:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:54:49,188 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:54:49,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:54:52,300 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-25 02:54:52,300 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:55:09,443 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:55:09,444 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:55:09,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:55:09 BoogieIcfgContainer [2024-11-25 02:55:09,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:55:09,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:55:09,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:55:09,455 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:55:09,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:55:09" (1/1) ... [2024-11-25 02:55:09,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:55:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 02:55:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 02:55:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:55:09,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:09,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:55:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:55:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:55:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 02:55:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 02:55:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:55:10,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:55:10,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:55:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:57:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:57:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-25 02:57:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-25 02:57:48,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:57:48,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-11-25 03:03:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-11-25 03:03:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:03:53,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat