./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.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_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/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_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/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_050d1d61-51e3-4402-84c5-faecd094632c/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 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:10:25,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:10:25,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:10:25,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:10:25,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:10:25,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:10:25,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:10:25,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:10:25,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:10:25,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:10:25,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:10:25,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:10:25,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:10:25,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:10:25,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:10:25,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:10:25,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:10:25,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:10:25,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:10:25,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:10:25,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:10:25,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:10:25,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:10:25,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:10:25,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:10:25,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:10:25,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:10:25,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:10:25,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:10:25,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:10:25,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:10:25,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:10:25,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:10:25,748 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_050d1d61-51e3-4402-84c5-faecd094632c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d [2024-11-09 00:10:26,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:10:26,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:10:26,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:10:26,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:10:26,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:10:26,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c Unable to find full path for "g++" [2024-11-09 00:10:28,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:10:28,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:10:28,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/sv-benchmarks/c/eca-rers2012/Problem11_label28.c [2024-11-09 00:10:28,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/data/041c4e0d6/46aecb999d0243c48738018adeb0d8e4/FLAGea280afc0 [2024-11-09 00:10:29,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/data/041c4e0d6/46aecb999d0243c48738018adeb0d8e4 [2024-11-09 00:10:29,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:10:29,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:10:29,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:10:29,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:10:29,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:10:29,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:29,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780c3c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29, skipping insertion in model container [2024-11-09 00:10:29,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:29,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:10:29,411 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_050d1d61-51e3-4402-84c5-faecd094632c/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2024-11-09 00:10:29,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:10:29,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:10:29,781 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_050d1d61-51e3-4402-84c5-faecd094632c/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2024-11-09 00:10:29,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:10:29,982 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:10:29,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29 WrapperNode [2024-11-09 00:10:29,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:10:29,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:10:29,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:10:29,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:10:29,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,190 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-09 00:10:30,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:10:30,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:10:30,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:10:30,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:10:30,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:10:30,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:10:30,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:10:30,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:10:30,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:29" (1/1) ... [2024-11-09 00:10:30,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:10:30,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:10:30,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:10:30,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050d1d61-51e3-4402-84c5-faecd094632c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:10:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:10:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:10:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:10:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:10:30,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:10:30,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:10:32,704 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-09 00:10:32,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:10:41,566 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:10:41,566 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:10:41,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:41 BoogieIcfgContainer [2024-11-09 00:10:41,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:10:41,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:10:41,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:10:41,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:10:41,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:41" (1/1) ... [2024-11-09 00:10:41,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:10:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:10:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:10:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:10:41,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:41,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:10:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:10:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:10:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:10:42,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:42,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:11:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-09 00:11:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-09 00:11:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:11:36,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:13:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-09 00:13:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-09 00:13:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:13:17,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-09 00:14:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-09 00:14:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:14:58,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:18:50,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:18:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 105 transitions. [2024-11-09 00:18:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 105 transitions. [2024-11-09 00:18:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:18:53,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:18:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:22:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 56 states and 134 transitions. [2024-11-09 00:22:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2024-11-09 00:22:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:22:22,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:22,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat