./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.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_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/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_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop5-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/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_d946553a-c04a-4f8c-8b92-12650c1a970f/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 0d8da36838c50442ed4fba44dc3a3606a0b458df76e86edfd6bb41e0239a61ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:49,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:49,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:26:49,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:49,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:49,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:49,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:49,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:49,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:49,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:49,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:49,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:49,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:49,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:49,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:49,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:49,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:49,631 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_d946553a-c04a-4f8c-8b92-12650c1a970f/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 -> 0d8da36838c50442ed4fba44dc3a3606a0b458df76e86edfd6bb41e0239a61ff [2024-12-05 21:26:49,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:49,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:49,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:49,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:49,862 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:49,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop5-back-serstep.c [2024-12-05 21:26:52,504 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/data/1e3661bd5/f82d9e58f80b46cf8ff37b28f23fbf39/FLAGe4640a4c3 [2024-12-05 21:26:53,016 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:53,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop5-back-serstep.c [2024-12-05 21:26:53,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/data/1e3661bd5/f82d9e58f80b46cf8ff37b28f23fbf39/FLAGe4640a4c3 [2024-12-05 21:26:53,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/data/1e3661bd5/f82d9e58f80b46cf8ff37b28f23fbf39 [2024-12-05 21:26:53,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:53,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:53,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:53,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:53,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:53,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:53" (1/1) ... [2024-12-05 21:26:53,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb656b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:53, skipping insertion in model container [2024-12-05 21:26:53,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:53" (1/1) ... [2024-12-05 21:26:53,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:54,019 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_d946553a-c04a-4f8c-8b92-12650c1a970f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop5-back-serstep.c[1180,1193] [2024-12-05 21:26:55,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:55,284 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:55,294 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_d946553a-c04a-4f8c-8b92-12650c1a970f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop5-back-serstep.c[1180,1193] [2024-12-05 21:26:56,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:56,201 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:56,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56 WrapperNode [2024-12-05 21:26:56,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:56,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:56,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:56,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:56,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:26:56,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:26:59,648 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48545 [2024-12-05 21:26:59,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:59,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:59,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:59,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:59,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:26:59,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:00,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:00,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:01,559 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:01,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:01,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:01,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:02,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:02,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:02,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:02,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:02,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:02,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:27:02,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:02,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:02,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:02,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d946553a-c04a-4f8c-8b92-12650c1a970f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:27:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:04,739 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:04,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:32:45,199 INFO L? ?]: Removed 27376 outVars from TransFormulas that were not future-live. [2024-12-05 21:32:45,200 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:35:09,802 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:35:09,802 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:35:09,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:09 BoogieIcfgContainer [2024-12-05 21:35:09,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:35:09,805 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:35:09,805 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:35:09,827 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:35:09,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:09" (1/1) ... [2024-12-05 21:35:09,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:35:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:35:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:35:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:35:09,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:09,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:35:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:35:41,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:35:51,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:36:02,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:12,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:21,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:31,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:41,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:51,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:36:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:36:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:36:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:36:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:36:51,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:36:51,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:37:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:37:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:37:23,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:37:37,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:37:48,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:37:58,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:38:08,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:38:18,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:38:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:38:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2024-12-05 21:38:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2024-12-05 21:38:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:38:18,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:38:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:38:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:38:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:38:50,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:39:05,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []