./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm --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 6daccdc8626f94035cea0466bad1a8fc30515e69347c1e3176fb3c54858c8622 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:46,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:46,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:04:46,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:04:46,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:04:46,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:46,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:46,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:46,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:46,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:46,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:46,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:46,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:46,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:46,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:46,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:46,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:46,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:46,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:46,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:46,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:46,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:46,570 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:04:46,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:04:46,570 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_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm 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 -> 6daccdc8626f94035cea0466bad1a8fc30515e69347c1e3176fb3c54858c8622 [2024-11-13 22:04:46,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:46,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:46,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:46,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:46,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:46,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:04:48,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:49,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:49,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c [2024-11-13 22:04:49,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/data/fd682042f/26579f46641d478a9b92b2ab8c9d550e/FLAG4be19a354 [2024-11-13 22:04:49,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/data/fd682042f/26579f46641d478a9b92b2ab8c9d550e [2024-11-13 22:04:49,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:49,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:49,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:49,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:49,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:49,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:49" (1/1) ... [2024-11-13 22:04:49,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37af8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:49, skipping insertion in model container [2024-11-13 22:04:49,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:49" (1/1) ... [2024-11-13 22:04:49,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:49,613 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_485d57cd-b769-4eb5-b391-bb113fdd7141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c[1182,1195] [2024-11-13 22:04:50,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:50,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:50,290 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_485d57cd-b769-4eb5-b391-bb113fdd7141/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.4.prop1-func-interl.c[1182,1195] [2024-11-13 22:04:50,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:50,572 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:50,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50 WrapperNode [2024-11-13 22:04:50,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:50,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:50,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:50,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:50,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:50,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:52,147 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9170 [2024-11-13 22:04:52,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:52,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:52,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:52,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:52,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:52,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:52,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:52,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:53,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:53,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:53,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:53,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:50" (1/1) ... [2024-11-13 22:04:53,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:53,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:53,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485d57cd-b769-4eb5-b391-bb113fdd7141/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:04:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:54,324 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:54,326 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:09,052 INFO L? ?]: Removed 5091 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:09,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:24,572 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:24,572 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:05:24,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:24 BoogieIcfgContainer [2024-11-13 22:05:24,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:24,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:24,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:24,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:24,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:24" (1/1) ... [2024-11-13 22:05:24,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:05:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:05:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:05:24,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:38,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:48,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:05:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:05:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:05:48,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:57,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:07,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:18,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:28,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:38,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:48,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:58,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:08,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:19,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:29,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:39,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:49,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 22:13:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 22:13:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:13:49,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat