./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:23:04,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:23:04,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:23:04,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:23:04,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:23:04,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:23:04,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:23:04,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:23:04,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:23:04,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:23:04,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:23:04,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:23:04,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:23:04,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:23:04,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:23:04,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:23:04,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:23:04,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:23:04,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:23:04,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:23:04,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:23:04,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:23:04,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:23:04,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:23:04,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:04,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:23:04,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:23:04,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:23:04,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:23:04,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:23:04,942 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_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 [2024-11-13 23:23:05,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:23:05,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:23:05,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:23:05,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:23:05,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:23:05,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:23:07,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:23:08,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:23:08,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c [2024-11-13 23:23:08,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/data/da8600fa6/2c8f0a6d7a734e38aacda12bbd1e712c/FLAG161fddae1 [2024-11-13 23:23:08,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/data/da8600fa6/2c8f0a6d7a734e38aacda12bbd1e712c [2024-11-13 23:23:08,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:23:08,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:23:08,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:08,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:23:08,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:23:08,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:08" (1/1) ... [2024-11-13 23:23:08,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e9e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:08, skipping insertion in model container [2024-11-13 23:23:08,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:08" (1/1) ... [2024-11-13 23:23:08,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:23:08,537 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_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-11-13 23:23:09,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:09,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:23:09,396 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_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-11-13 23:23:09,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:09,783 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:23:09,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09 WrapperNode [2024-11-13 23:23:09,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:09,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:09,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:23:09,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:23:09,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:09,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:11,154 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11628 [2024-11-13 23:23:11,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:11,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:23:11,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:23:11,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:23:11,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:11,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:11,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:11,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:23:12,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:23:12,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:23:12,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:23:12,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:09" (1/1) ... [2024-11-13 23:23:12,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:12,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:23:12,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:23:12,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae83caa6-b6e3-44f1-9182-8fbea9a4da0b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:23:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:23:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:23:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:23:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:23:13,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:23:13,851 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:23:41,134 INFO L? ?]: Removed 6198 outVars from TransFormulas that were not future-live. [2024-11-13 23:23:41,134 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:24:07,802 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:24:07,802 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:24:07,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:07 BoogieIcfgContainer [2024-11-13 23:24:07,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:24:07,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:24:07,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:24:07,815 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:24:07,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:24:07" (1/1) ... [2024-11-13 23:24:07,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:24:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:24:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:24:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:24:07,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:07,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:24,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:24:34,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:24:41,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:24:47,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:24:57,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:01,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:11,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:25:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:25:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:25:11,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:11,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:27,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:25:37,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:25:39,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:41,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:49,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 23:25:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 23:25:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:25:49,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms