./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-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_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/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_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/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_0d0e5343-206f-4d80-8152-7a3adb970cdb/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 75e9c146a04a5bdc98741403be2eff0adf0dfc8fb9ed157b2772cea009b28f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:25:57,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:25:57,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:25:57,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:25:57,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:25:57,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:25:57,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:25:57,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:25:57,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:25:57,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:25:57,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:25:57,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:25:57,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:25:57,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:25:57,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:25:57,940 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_0d0e5343-206f-4d80-8152-7a3adb970cdb/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 -> 75e9c146a04a5bdc98741403be2eff0adf0dfc8fb9ed157b2772cea009b28f74 [2024-12-05 22:25:58,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:25:58,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:25:58,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:25:58,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:25:58,173 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:25:58,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-back-serstep.c [2024-12-05 22:26:00,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/data/92131776b/73e7a3bd14c449138b1002f94294d0ba/FLAGacb66ae6b [2024-12-05 22:26:01,278 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:26:01,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-back-serstep.c [2024-12-05 22:26:01,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/data/92131776b/73e7a3bd14c449138b1002f94294d0ba/FLAGacb66ae6b [2024-12-05 22:26:01,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/data/92131776b/73e7a3bd14c449138b1002f94294d0ba [2024-12-05 22:26:01,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:26:01,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:26:01,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:01,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:26:01,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:26:01,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:01" (1/1) ... [2024-12-05 22:26:01,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2e22b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:01, skipping insertion in model container [2024-12-05 22:26:01,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:01" (1/1) ... [2024-12-05 22:26:01,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:26:01,798 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_0d0e5343-206f-4d80-8152-7a3adb970cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-back-serstep.c[1180,1193] [2024-12-05 22:26:03,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:03,042 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:26:03,049 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_0d0e5343-206f-4d80-8152-7a3adb970cdb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop1-back-serstep.c[1180,1193] [2024-12-05 22:26:03,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:03,995 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:26:03,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03 WrapperNode [2024-12-05 22:26:03,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:03,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:03,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:26:03,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:26:04,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:04,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:06,985 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48430 [2024-12-05 22:26:06,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:06,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:26:06,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:26:06,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:26:06,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:06,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:08,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:08,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:09,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:09,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:09,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:09,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:09,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:10,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:26:10,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:26:10,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:26:10,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:26:10,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:03" (1/1) ... [2024-12-05 22:26:10,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:26:10,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:26:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0e5343-206f-4d80-8152-7a3adb970cdb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:26:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:26:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:26:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:26:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:26:12,381 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:26:12,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:31:29,507 INFO L? ?]: Removed 27350 outVars from TransFormulas that were not future-live. [2024-12-05 22:31:29,507 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:33:46,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:33:46,074 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:33:46,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:33:46 BoogieIcfgContainer [2024-12-05 22:33:46,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:33:46,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:33:46,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:33:46,094 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:33:46,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:33:46" (1/1) ... [2024-12-05 22:33:46,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:33:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:33:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:33:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:33:46,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:06,303 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 22:34:18,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:34:28,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:34:38,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:34:48,999 WARN L539 Checker$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 22:34:58,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:08,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:18,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:28,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:35:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:35:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:35:28,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:32,512 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 22:37:47,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:38:01,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:38:12,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:38:22,815 WARN L539 Checker$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 22:38:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2024-12-05 22:38:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2024-12-05 22:38:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:38:22,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:22,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:41,529 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 22:38:57,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []