./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:18:41,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:18:41,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:18:41,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:18:41,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:18:41,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:18:41,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:18:41,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:18:41,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:18:41,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:18:41,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:18:41,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:18:41,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:18:41,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:18:41,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:18:41,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:18:41,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:18:41,462 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:18:41,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:18:41,462 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_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f7b08d697525a6b6e4b6c32e081a52208b7f6ea0ef3da259b2ed32d3a516e9b [2024-12-06 06:18:41,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:18:41,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:18:41,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:18:41,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:18:41,704 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:18:41,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 06:18:44,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/data/6c194d8a5/0cc88f5301ae4007b8dc7a9ca5f16c4c/FLAG99274a29a [2024-12-06 06:18:44,549 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:18:44,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 06:18:44,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/data/6c194d8a5/0cc88f5301ae4007b8dc7a9ca5f16c4c/FLAG99274a29a [2024-12-06 06:18:44,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/data/6c194d8a5/0cc88f5301ae4007b8dc7a9ca5f16c4c [2024-12-06 06:18:44,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:18:44,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:18:44,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:18:44,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:18:44,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:18:44,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cab59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44, skipping insertion in model container [2024-12-06 06:18:44,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:18:44,786 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_84524d9a-bab8-402a-bed0-3e2d4b350587/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2024-12-06 06:18:44,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:18:44,799 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:18:44,849 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_84524d9a-bab8-402a-bed0-3e2d4b350587/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3_overflow.ufo.UNBOUNDED.pals.c[14467,14480] [2024-12-06 06:18:44,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:18:44,862 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:18:44,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44 WrapperNode [2024-12-06 06:18:44,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:18:44,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:18:44,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:18:44,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:18:44,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,904 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 489 [2024-12-06 06:18:44,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:18:44,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:18:44,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:18:44,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:18:44,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,925 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:18:44,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:18:44,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:18:44,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:18:44,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:44" (1/1) ... [2024-12-06 06:18:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:18:44,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:18:44,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:18:44,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84524d9a-bab8-402a-bed0-3e2d4b350587/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:18:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:18:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:18:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:18:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:18:45,073 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:18:45,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:18:45,590 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-12-06 06:18:45,590 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:18:46,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:18:46,237 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:18:46,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:46 BoogieIcfgContainer [2024-12-06 06:18:46,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:18:46,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:18:46,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:18:46,247 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:18:46,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:18:46" (1/1) ... [2024-12-06 06:18:46,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:18:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 06:18:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 06:18:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:18:46,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:46,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 06:18:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 06:18:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:18:48,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-12-06 06:18:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-12-06 06:18:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:18:49,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-12-06 06:18:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-12-06 06:18:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:18:50,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 06:18:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 06:18:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 06:18:52,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2024-12-06 06:18:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2024-12-06 06:18:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 06:18:53,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-12-06 06:18:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-12-06 06:18:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:18:55,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2024-12-06 06:18:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2024-12-06 06:18:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:18:55,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2024-12-06 06:18:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2024-12-06 06:18:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:18:55,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2024-12-06 06:18:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2024-12-06 06:18:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:18:57,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2024-12-06 06:18:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2024-12-06 06:18:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 06:18:59,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:59,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 76 states and 126 transitions. [2024-12-06 06:19:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 126 transitions. [2024-12-06 06:19:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 06:19:04,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2024-12-06 06:19:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2024-12-06 06:19:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 06:19:08,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:08,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2024-12-06 06:19:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2024-12-06 06:19:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 06:19:13,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:13,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2024-12-06 06:19:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2024-12-06 06:19:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:19:17,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:17,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2024-12-06 06:19:21,581 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2024-12-06 06:19:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:19:21,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 139 states and 245 transitions. [2024-12-06 06:19:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2024-12-06 06:19:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:19:23,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 249 transitions. [2024-12-06 06:19:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2024-12-06 06:19:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 06:19:24,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2024-12-06 06:19:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2024-12-06 06:19:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 06:19:31,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:31,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 166 states and 295 transitions. [2024-12-06 06:19:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 295 transitions. [2024-12-06 06:19:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 06:19:34,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:34,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 173 states and 311 transitions. [2024-12-06 06:19:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 311 transitions. [2024-12-06 06:19:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 06:19:40,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:40,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:19:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 187 states and 357 transitions. [2024-12-06 06:19:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 357 transitions. [2024-12-06 06:19:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 06:19:49,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 06:19:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 197 states and 392 transitions. [2024-12-06 06:19:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 392 transitions. [2024-12-06 06:19:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 06:19:55,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:55,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 209 states and 425 transitions. [2024-12-06 06:20:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 425 transitions. [2024-12-06 06:20:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 06:20:02,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 210 states and 431 transitions. [2024-12-06 06:20:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2024-12-06 06:20:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 06:20:05,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:05,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 211 states and 435 transitions. [2024-12-06 06:20:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 435 transitions. [2024-12-06 06:20:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 06:20:07,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:07,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:15,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 225 states and 467 transitions. [2024-12-06 06:20:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 467 transitions. [2024-12-06 06:20:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 06:20:15,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 227 states and 479 transitions. [2024-12-06 06:20:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 479 transitions. [2024-12-06 06:20:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:20:18,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 241 states and 512 transitions. [2024-12-06 06:20:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 512 transitions. [2024-12-06 06:20:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:20:32,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:32,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 242 states and 516 transitions. [2024-12-06 06:20:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 516 transitions. [2024-12-06 06:20:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:20:39,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 247 states and 538 transitions. [2024-12-06 06:20:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 538 transitions. [2024-12-06 06:20:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 06:20:45,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 260 states and 572 transitions. [2024-12-06 06:20:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 572 transitions. [2024-12-06 06:20:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 06:20:53,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 266 states and 599 transitions. [2024-12-06 06:20:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 599 transitions. [2024-12-06 06:20:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 06:20:59,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:59,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 270 states and 619 transitions. [2024-12-06 06:21:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 619 transitions. [2024-12-06 06:21:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 06:21:05,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:05,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 276 states and 646 transitions. [2024-12-06 06:21:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 646 transitions. [2024-12-06 06:21:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 06:21:12,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:12,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 287 states and 657 transitions. [2024-12-06 06:21:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 657 transitions. [2024-12-06 06:21:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 06:21:22,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:22,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:24:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:26:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:26:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 330 states and 746 transitions. [2024-12-06 06:26:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 746 transitions. [2024-12-06 06:26:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 06:26:54,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:26:54,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:26:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:26:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 06:27:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:27:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 342 states and 786 transitions. [2024-12-06 06:27:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 786 transitions. [2024-12-06 06:27:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 06:27:51,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:27:51,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:27:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:27:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:28:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:28:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 357 states and 834 transitions. [2024-12-06 06:28:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 834 transitions. [2024-12-06 06:28:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 06:28:55,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:28:55,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:28:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:29:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:29:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 367 states and 863 transitions. [2024-12-06 06:29:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 863 transitions. [2024-12-06 06:29:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 06:29:53,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:29:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:29:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:30:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:30:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:30:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 368 states and 871 transitions. [2024-12-06 06:30:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 871 transitions. [2024-12-06 06:30:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 06:30:07,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:30:07,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:30:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:30:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:30:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:30:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 369 states and 872 transitions. [2024-12-06 06:30:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 872 transitions. [2024-12-06 06:30:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 06:30:22,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:30:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:30:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:30:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:30:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:30:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 378 states and 887 transitions. [2024-12-06 06:30:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 887 transitions. [2024-12-06 06:30:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 06:30:57,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:30:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:30:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:31:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:31:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:31:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 381 states and 902 transitions. [2024-12-06 06:31:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 902 transitions. [2024-12-06 06:31:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 06:31:07,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:31:07,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:31:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:31:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:31:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:31:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 383 states and 917 transitions. [2024-12-06 06:31:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 917 transitions. [2024-12-06 06:31:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 06:31:12,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:31:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:31:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:31:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:31:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:31:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 385 states and 928 transitions. [2024-12-06 06:31:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 928 transitions. [2024-12-06 06:31:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 06:31:17,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:31:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:31:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat