./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:16,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:16,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:16,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:16,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:16,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:16,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:16,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:16,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:16,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:16,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:16,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:16,891 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:16,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:16,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:16,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:16,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:16,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:16,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:16,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:16,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:16,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:16,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:16,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:16,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:16,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:16,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:16,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:16,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:16,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:16,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:16,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:16,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:16,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2023-11-19 04:02:17,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:17,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:17,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:17,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:17,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:17,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-11-19 04:02:20,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:21,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:21,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-11-19 04:02:21,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/data/56586848f/3f029a0a455546d7b756cea01767d451/FLAG934333da5 [2023-11-19 04:02:21,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/data/56586848f/3f029a0a455546d7b756cea01767d451 [2023-11-19 04:02:21,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:21,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:21,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:21,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:21,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:21,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243b2f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21, skipping insertion in model container [2023-11-19 04:02:21,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:21,448 WARN L240 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_b69d7468-ca8d-472d-b341-0014d44bf131/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-11-19 04:02:21,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:21,483 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:21,495 WARN L240 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_b69d7468-ca8d-472d-b341-0014d44bf131/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-11-19 04:02:21,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:21,520 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:21,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21 WrapperNode [2023-11-19 04:02:21,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:21,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:21,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:21,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:21,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,566 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 04:02:21,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:21,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:21,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:21,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:21,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:21,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:21,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:21,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:21,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:21,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:21,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69d7468-ca8d-472d-b341-0014d44bf131/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:02:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:02:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:21,826 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:21,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:22,059 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:22,147 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:22,147 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:22,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:22 BoogieIcfgContainer [2023-11-19 04:02:22,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:22,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:22,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:22,181 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:22,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 04:02:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 04:02:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:22,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:22,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:02:22,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:02:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-19 04:02:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-19 04:02:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:02:22,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:23,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:02:23,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:02:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 04:02:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 04:02:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:02:23,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:23,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:02:23,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:02:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2023-11-19 04:02:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 04:02:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:02:24,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:02:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 63 transitions. [2023-11-19 04:02:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 04:02:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:02:24,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:02:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 75 transitions. [2023-11-19 04:02:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-19 04:02:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:02:25,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:02:25,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 04:02:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2023-11-19 04:02:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2023-11-19 04:02:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:02:26,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:26,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:02:26,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 04:02:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:28,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 109 transitions. [2023-11-19 04:02:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2023-11-19 04:02:28,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:02:28,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:28,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:28,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:02:28,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:02:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 58 states and 125 transitions. [2023-11-19 04:02:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 125 transitions. [2023-11-19 04:02:30,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:02:30,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:02:30,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 04:02:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 61 states and 133 transitions. [2023-11-19 04:02:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 133 transitions. [2023-11-19 04:02:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:31,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:02:31,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 04:02:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 65 states and 144 transitions. [2023-11-19 04:02:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 144 transitions. [2023-11-19 04:02:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:34,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:34,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:02:34,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 04:02:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 68 states and 150 transitions. [2023-11-19 04:02:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2023-11-19 04:02:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:02:36,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:36,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:36,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:36,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 04:02:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 72 states and 160 transitions. [2023-11-19 04:02:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2023-11-19 04:02:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:02:37,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:37,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:37,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:02:37,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 04:02:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 74 states and 169 transitions. [2023-11-19 04:02:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 169 transitions. [2023-11-19 04:02:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:02:39,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:39,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:02:39,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 04:02:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 46 states and 80 transitions. [2023-11-19 04:02:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2023-11-19 04:02:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:02:40,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:40,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:40,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:02:40,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 04:02:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 49 states and 84 transitions. [2023-11-19 04:02:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2023-11-19 04:02:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:02:42,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:42,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:02:42,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 04:02:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 46 states and 76 transitions. [2023-11-19 04:02:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2023-11-19 04:02:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:02:44,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:44,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:44,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:44,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 04:02:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 50 states and 84 transitions. [2023-11-19 04:02:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2023-11-19 04:02:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:02:48,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:48,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:48,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 04:02:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 46 states and 73 transitions. [2023-11-19 04:02:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2023-11-19 04:02:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:02:51,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:51,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:51,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:51,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-19 04:02:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 47 states and 75 transitions. [2023-11-19 04:02:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2023-11-19 04:02:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:02:55,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:55,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:55,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.