./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.prop5-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/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 00ef65a69f1234071160993b0d2cb47794f3dee09483ce22e870944b04da1221 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:39:49,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:39:49,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:39:49,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:39:49,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:39:49,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:39:49,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:39:49,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:39:49,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:39:49,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:39:49,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:39:49,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:39:49,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:39:49,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:39:49,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:39:49,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:39:49,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:39:49,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:39:49,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:39:49,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:39:49,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:39:49,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:39:49,659 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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/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 -> 00ef65a69f1234071160993b0d2cb47794f3dee09483ce22e870944b04da1221 [2024-12-06 02:39:49,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:39:49,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:39:49,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:39:49,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:39:49,911 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:39:49,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.prop5-back-serstep.c [2024-12-06 02:39:52,559 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/data/e66983b29/ba3c6772729c4f7285f038df5dadd066/FLAG074d49220 [2024-12-06 02:39:53,045 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:39:53,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.prop5-back-serstep.c [2024-12-06 02:39:53,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/data/e66983b29/ba3c6772729c4f7285f038df5dadd066/FLAG074d49220 [2024-12-06 02:39:53,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/data/e66983b29/ba3c6772729c4f7285f038df5dadd066 [2024-12-06 02:39:53,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:39:53,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:39:53,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:53,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:39:53,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:39:53,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:53" (1/1) ... [2024-12-06 02:39:53,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f349f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:53, skipping insertion in model container [2024-12-06 02:39:53,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:39:53" (1/1) ... [2024-12-06 02:39:53,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:39:53,573 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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.prop5-back-serstep.c[1180,1193] [2024-12-06 02:39:54,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:54,727 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:39:54,738 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_1d95b136-a5eb-4c90-b02c-4294a0be80ed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.5.prop5-back-serstep.c[1180,1193] [2024-12-06 02:39:55,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:39:55,645 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:39:55,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55 WrapperNode [2024-12-06 02:39:55,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:39:55,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:55,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:39:55,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:39:55,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:39:55,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:39:59,101 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48638 [2024-12-06 02:39:59,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:39:59,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:39:59,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:39:59,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:39:59,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:39:59,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:00,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:00,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:01,004 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:01,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:01,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:01,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:01,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:02,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:40:02,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:40:02,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:40:02,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:40:02,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:39:55" (1/1) ... [2024-12-06 02:40:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:40:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:40:02,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:40:02,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d95b136-a5eb-4c90-b02c-4294a0be80ed/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:40:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:40:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:40:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:40:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:40:04,247 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:40:04,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:46:03,807 INFO L? ?]: Removed 27470 outVars from TransFormulas that were not future-live. [2024-12-06 02:46:03,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:48:24,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:48:24,575 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:48:24,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:48:24 BoogieIcfgContainer [2024-12-06 02:48:24,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:48:24,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:48:24,578 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:48:24,598 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:48:24,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:48:24" (1/1) ... [2024-12-06 02:48:24,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:48:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:48:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:48:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:48:24,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:24,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:48:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:51,960 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 02:49:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:49:14,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:49:24,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:49:35,046 WARN L539 Checker$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 02:49:45,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:49:55,403 WARN L539 Checker$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 02:50:06,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:50:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:50:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:50:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:50:06,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:06,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:50:41,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:50:55,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:51:06,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []