./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:25,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:25,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:13:25,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:25,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:25,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:25,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:25,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:25,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:25,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:25,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:25,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:25,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:25,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:25,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:25,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:25,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:25,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:25,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:25,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:25,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:25,279 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:25,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:25,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:25,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:25,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:25,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:25,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:25,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:25,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:25,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:25,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:25,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:25,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:25,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:25,287 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_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2023-11-24 23:13:25,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:25,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:25,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:25,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:25,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:25,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-24 23:13:29,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:29,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:29,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-24 23:13:29,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/data/e3c702a28/2ee7406805d24c9b98bcdd2adb6df90d/FLAG1ad6c3a13 [2023-11-24 23:13:29,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/data/e3c702a28/2ee7406805d24c9b98bcdd2adb6df90d [2023-11-24 23:13:29,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:29,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:29,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:29,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:29,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:29,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df48ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:29, skipping insertion in model container [2023-11-24 23:13:29,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:29" (1/1) ... [2023-11-24 23:13:29,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:30,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:30,238 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:30,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:30,350 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:30,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30 WrapperNode [2023-11-24 23:13:30,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:30,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:30,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:30,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:30,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,418 INFO L138 Inliner]: procedures = 142, calls = 65, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 186 [2023-11-24 23:13:30,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:30,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:30,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:30,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:30,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:30,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:30,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:30,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:30,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:30" (1/1) ... [2023-11-24 23:13:30,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:30,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:30,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8c10e0-6952-4c10-a618-42e944631057/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:13:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:13:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-24 23:13:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-24 23:13:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-24 23:13:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-24 23:13:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-24 23:13:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-24 23:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-24 23:13:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-24 23:13:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:30,767 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:30,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:31,170 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:31,362 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:31,363 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 23:13:31,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:31 BoogieIcfgContainer [2023-11-24 23:13:31,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:31,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:31,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:31,379 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:31,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:31" (1/1) ... [2023-11-24 23:13:31,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2023-11-24 23:13:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-24 23:13:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:13:31,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:31,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2023-11-24 23:13:32,156 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-24 23:13:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:13:32,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2023-11-24 23:13:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-24 23:13:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:32,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2023-11-24 23:13:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-24 23:13:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:13:32,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:13:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2023-11-24 23:13:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-24 23:13:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:13:33,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:13:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 87 transitions. [2023-11-24 23:13:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-24 23:13:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:13:33,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:13:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 97 transitions. [2023-11-24 23:13:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 23:13:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:13:34,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:34,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:13:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 107 transitions. [2023-11-24 23:13:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2023-11-24 23:13:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:13:34,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:34,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 23:13:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 117 transitions. [2023-11-24 23:13:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2023-11-24 23:13:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:13:35,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:13:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 94 states and 127 transitions. [2023-11-24 23:13:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2023-11-24 23:13:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-24 23:13:36,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-24 23:13:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 137 transitions. [2023-11-24 23:13:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2023-11-24 23:13:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 23:13:37,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-24 23:13:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 147 transitions. [2023-11-24 23:13:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2023-11-24 23:13:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-24 23:13:38,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-24 23:13:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 115 states and 157 transitions. [2023-11-24 23:13:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2023-11-24 23:13:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 23:13:40,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-24 23:13:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 122 states and 167 transitions. [2023-11-24 23:13:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2023-11-24 23:13:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-24 23:13:41,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-11-24 23:13:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 129 states and 177 transitions. [2023-11-24 23:13:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2023-11-24 23:13:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-24 23:13:43,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-24 23:13:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 136 states and 187 transitions. [2023-11-24 23:13:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-11-24 23:13:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-24 23:13:44,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-24 23:13:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 143 states and 197 transitions. [2023-11-24 23:13:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 197 transitions. [2023-11-24 23:13:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-24 23:13:46,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-24 23:13:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 150 states and 207 transitions. [2023-11-24 23:13:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 207 transitions. [2023-11-24 23:13:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-24 23:13:48,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:13:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 157 states and 217 transitions. [2023-11-24 23:13:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-24 23:13:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-24 23:13:50,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-24 23:13:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 164 states and 227 transitions. [2023-11-24 23:13:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 227 transitions. [2023-11-24 23:13:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-24 23:13:53,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-24 23:13:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 171 states and 237 transitions. [2023-11-24 23:13:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 237 transitions. [2023-11-24 23:13:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-24 23:13:56,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-24 23:13:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 178 states and 247 transitions. [2023-11-24 23:13:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 247 transitions. [2023-11-24 23:13:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-11-24 23:13:59,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:59,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2023-11-24 23:14:01,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 185 states and 257 transitions. [2023-11-24 23:14:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2023-11-24 23:14:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-24 23:14:01,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:01,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2023-11-24 23:14:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 192 states and 267 transitions. [2023-11-24 23:14:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 267 transitions. [2023-11-24 23:14:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-24 23:14:04,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2023-11-24 23:14:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 199 states and 277 transitions. [2023-11-24 23:14:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 277 transitions. [2023-11-24 23:14:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-24 23:14:07,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat