./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:41:40,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:40,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:41:40,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:41:40,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:41:40,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:40,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:40,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:40,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:40,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:40,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:40,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:40,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:41:40,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:40,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:40,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:40,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:40,489 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:40,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:40,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:40,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:40,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:40,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:40,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:40,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:40,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:40,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:40,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:40,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:41:40,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:41:40,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:40,496 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_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2023-11-11 23:41:40,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:40,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:40,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:40,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:40,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:40,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-11 23:41:44,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:44,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:44,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-11 23:41:44,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/data/b12fc4149/94e0eaafb1a34e6d9516e94c54dbad3d/FLAGf325407b8 [2023-11-11 23:41:44,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/data/b12fc4149/94e0eaafb1a34e6d9516e94c54dbad3d [2023-11-11 23:41:44,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:44,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:44,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:44,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:44,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:44,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7f57b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44, skipping insertion in model container [2023-11-11 23:41:44,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:44,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:44,580 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:44,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:44,638 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:44,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44 WrapperNode [2023-11-11 23:41:44,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:44,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:44,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:44,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:44,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,678 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-11 23:41:44,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:44,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:44,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:44,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:44,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:44,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:44,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:44,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:44,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:44" (1/1) ... [2023-11-11 23:41:44,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:44,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:44,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8adacdb-8b0d-4bec-ac3e-c678814078ef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:44,886 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:44,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:45,009 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:45,031 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:45,032 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:41:45,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:45 BoogieIcfgContainer [2023-11-11 23:41:45,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:41:45,036 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:41:45,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:41:45,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:41:45,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:45" (1/1) ... [2023-11-11 23:41:45,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:41:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-11 23:41:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-11 23:41:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:41:45,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-11 23:41:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-11 23:41:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:41:45,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-11 23:41:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-11 23:41:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:41:45,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:45,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-11 23:41:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-11 23:41:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:41:45,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-11 23:41:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-11 23:41:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:41:46,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-11-11 23:41:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-11-11 23:41:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:41:46,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2023-11-11 23:41:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2023-11-11 23:41:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:41:47,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2023-11-11 23:41:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2023-11-11 23:41:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:41:48,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2023-11-11 23:41:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2023-11-11 23:41:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:41:48,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2023-11-11 23:41:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-11-11 23:41:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:41:49,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-11-11 23:41:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-11 23:41:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:41:50,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:50,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2023-11-11 23:41:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-11 23:41:50,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:41:50,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2023-11-11 23:41:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2023-11-11 23:41:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:41:52,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 78 states and 157 transitions. [2023-11-11 23:41:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 157 transitions. [2023-11-11 23:41:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:41:54,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2023-11-11 23:41:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2023-11-11 23:41:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:41:56,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:56,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 180 transitions. [2023-11-11 23:41:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2023-11-11 23:41:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:41:57,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 92 states and 196 transitions. [2023-11-11 23:41:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 196 transitions. [2023-11-11 23:41:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:41:58,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:58,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 98 states and 220 transitions. [2023-11-11 23:41:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 220 transitions. [2023-11-11 23:41:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:41:59,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:59,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2023-11-11 23:42:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2023-11-11 23:42:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:42:01,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 108 states and 243 transitions. [2023-11-11 23:42:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 243 transitions. [2023-11-11 23:42:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:42:03,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 111 states and 250 transitions. [2023-11-11 23:42:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2023-11-11 23:42:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:42:03,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:03,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 122 states and 276 transitions. [2023-11-11 23:42:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 276 transitions. [2023-11-11 23:42:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:42:07,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 129 states and 291 transitions. [2023-11-11 23:42:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 291 transitions. [2023-11-11 23:42:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:42:11,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:11,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 131 states and 300 transitions. [2023-11-11 23:42:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 300 transitions. [2023-11-11 23:42:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:42:11,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 137 states and 308 transitions. [2023-11-11 23:42:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 308 transitions. [2023-11-11 23:42:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:42:13,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:13,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 139 states and 311 transitions. [2023-11-11 23:42:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 311 transitions. [2023-11-11 23:42:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:42:14,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:42:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 142 states and 315 transitions. [2023-11-11 23:42:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 315 transitions. [2023-11-11 23:42:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:42:15,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:15,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 320 transitions. [2023-11-11 23:42:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 320 transitions. [2023-11-11 23:42:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:42:16,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 146 states and 324 transitions. [2023-11-11 23:42:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 324 transitions. [2023-11-11 23:42:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:42:16,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 148 states and 327 transitions. [2023-11-11 23:42:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 327 transitions. [2023-11-11 23:42:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:42:17,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:17,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 152 states and 345 transitions. [2023-11-11 23:42:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 345 transitions. [2023-11-11 23:42:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:42:19,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 157 states and 363 transitions. [2023-11-11 23:42:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 363 transitions. [2023-11-11 23:42:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:42:21,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:21,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 160 states and 371 transitions. [2023-11-11 23:42:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 371 transitions. [2023-11-11 23:42:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:42:22,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 160 states and 370 transitions. [2023-11-11 23:42:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 370 transitions. [2023-11-11 23:42:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:23,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:42:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 160 states and 369 transitions. [2023-11-11 23:42:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 369 transitions. [2023-11-11 23:42:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:23,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:23,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 166 states and 383 transitions. [2023-11-11 23:42:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 383 transitions. [2023-11-11 23:42:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:26,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 170 states and 390 transitions. [2023-11-11 23:42:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 390 transitions. [2023-11-11 23:42:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:28,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 173 states and 396 transitions. [2023-11-11 23:42:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 396 transitions. [2023-11-11 23:42:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:29,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:42:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 175 states and 399 transitions. [2023-11-11 23:42:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 399 transitions. [2023-11-11 23:42:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:29,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 176 states and 403 transitions. [2023-11-11 23:42:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 403 transitions. [2023-11-11 23:42:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:30,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:30,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 184 states and 436 transitions. [2023-11-11 23:42:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 436 transitions. [2023-11-11 23:42:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:34,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:34,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 188 states and 447 transitions. [2023-11-11 23:42:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 447 transitions. [2023-11-11 23:42:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:35,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 192 states and 460 transitions. [2023-11-11 23:42:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 460 transitions. [2023-11-11 23:42:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:37,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:37,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.