./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 8e1cc7bd6d61ad657043b3d64734eb72bac85bbb0b94a7e552324d8a06f1ef9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:38,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:38,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:52:38,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:52:38,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:52:38,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:38,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:38,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:38,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:38,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:38,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:38,123 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:38,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:38,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:38,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:38,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:38,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:52:38,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:52:38,124 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_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e1cc7bd6d61ad657043b3d64734eb72bac85bbb0b94a7e552324d8a06f1ef9e [2024-12-06 03:52:38,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:38,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:38,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:38,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:38,357 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:38,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c [2024-12-06 03:52:40,962 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/data/96f6b1d65/2d243d42504c4a2fb203fadc35835be9/FLAG5553c526d [2024-12-06 03:52:41,505 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:41,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c [2024-12-06 03:52:41,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/data/96f6b1d65/2d243d42504c4a2fb203fadc35835be9/FLAG5553c526d [2024-12-06 03:52:42,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/data/96f6b1d65/2d243d42504c4a2fb203fadc35835be9 [2024-12-06 03:52:42,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:42,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:42,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:42,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:42,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:42,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:42" (1/1) ... [2024-12-06 03:52:42,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1946b40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:42, skipping insertion in model container [2024-12-06 03:52:42,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:42" (1/1) ... [2024-12-06 03:52:42,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:42,383 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_94311abe-f673-4b6b-82db-9a4176e3e495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c[1180,1193] [2024-12-06 03:52:43,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:43,534 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:52:43,543 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_94311abe-f673-4b6b-82db-9a4176e3e495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop5-back-serstep.c[1180,1193] [2024-12-06 03:52:44,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:44,519 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:52:44,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44 WrapperNode [2024-12-06 03:52:44,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:44,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:44,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:52:44,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:52:44,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:44,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:47,960 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49349 [2024-12-06 03:52:47,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:47,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:52:47,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:52:47,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:52:47,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:47,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:48,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:48,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:50,402 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:50,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:50,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:50,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:50,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:51,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:52:51,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:52:51,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:52:51,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:52:51,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:44" (1/1) ... [2024-12-06 03:52:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:52:51,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:52:51,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94311abe-f673-4b6b-82db-9a4176e3e495/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:52:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:52:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:52:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:52:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:52:53,394 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:52:53,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:58:52,655 INFO L? ?]: Removed 27933 outVars from TransFormulas that were not future-live. [2024-12-06 03:58:52,655 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:01:11,635 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:01:11,635 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:01:11,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:01:11 BoogieIcfgContainer [2024-12-06 04:01:11,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:01:11,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:01:11,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:01:11,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:01:11,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:01:11" (1/1) ... [2024-12-06 04:01:11,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:01:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:01:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:01:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:01:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:01:11,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:01:11,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:01:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:01:44,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:01:54,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:02:01,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:02:11,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:02:22,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:02:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:02:45,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:02:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:02:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:02:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:02:45,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:03:25,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:03:40,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:03:51,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:01,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:11,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:21,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:04:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2024-12-06 04:04:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2024-12-06 04:04:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:04:21,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:04:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat