./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/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 82b86c6cd174f4eeed42529d368b084a3082d6bbee740b41df67c5878679db59 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:43:40,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:43:40,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:43:40,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:43:40,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:43:40,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:43:40,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:43:40,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:43:40,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:43:40,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:43:40,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:43:40,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:43:40,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:40,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:43:40,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:43:40,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:43:40,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:43:40,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:43:40,820 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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/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 -> 82b86c6cd174f4eeed42529d368b084a3082d6bbee740b41df67c5878679db59 [2024-12-05 22:43:41,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:43:41,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:43:41,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:43:41,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:43:41,078 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:43:41,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c [2024-12-05 22:43:43,745 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/data/0e22369c5/5e0fd81cbbcf4baf839d5f6c7fcfd03f/FLAGe7ac97f92 [2024-12-05 22:43:44,088 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:43:44,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c [2024-12-05 22:43:44,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/data/0e22369c5/5e0fd81cbbcf4baf839d5f6c7fcfd03f/FLAGe7ac97f92 [2024-12-05 22:43:44,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/data/0e22369c5/5e0fd81cbbcf4baf839d5f6c7fcfd03f [2024-12-05 22:43:44,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:43:44,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:43:44,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:44,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:43:44,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:43:44,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:44" (1/1) ... [2024-12-05 22:43:44,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a64026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:44, skipping insertion in model container [2024-12-05 22:43:44,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:44" (1/1) ... [2024-12-05 22:43:44,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:43:44,391 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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c[1174,1187] [2024-12-05 22:43:44,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:44,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:43:44,848 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_29eef0ab-aa04-4495-b8aa-6fb72312e40d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.2.prop1-back-serstep.c[1174,1187] [2024-12-05 22:43:45,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:45,247 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:43:45,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45 WrapperNode [2024-12-05 22:43:45,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:45,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:45,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:43:45,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:43:45,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:45,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:46,452 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16934 [2024-12-05 22:43:46,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:46,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:43:46,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:43:46,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:43:46,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:46,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:46,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:46,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:43:47,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:43:47,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:43:47,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:43:47,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:45" (1/1) ... [2024-12-05 22:43:47,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:47,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:43:47,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:43:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29eef0ab-aa04-4495-b8aa-6fb72312e40d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:43:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:43:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:43:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:43:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:43:48,437 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:43:48,439 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:44:21,710 INFO L? ?]: Removed 9331 outVars from TransFormulas that were not future-live. [2024-12-05 22:44:21,710 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:44:49,082 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:44:49,082 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:44:49,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:49 BoogieIcfgContainer [2024-12-05 22:44:49,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:44:49,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:44:49,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:44:49,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:44:49,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:49" (1/1) ... [2024-12-05 22:44:49,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:44:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:44:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:44:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:44:49,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:09,638 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 22:45:20,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:45:30,280 WARN L539 Checker$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 22:45:32,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:42,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:52,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:46:02,149 WARN L539 Checker$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 22:46:08,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:46:18,067 WARN L539 Checker$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 22:46:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:46:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:46:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:46:18,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:18,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:23,472 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 22:46:34,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:46:45,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:46:55,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:46:58,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:01,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:10,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:10,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:47:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:47:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:47:10,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:10,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms