./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL --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 de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:32,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:32,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:28:32,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:32,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:32,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:32,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:32,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:32,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:32,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:32,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:32,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:32,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:32,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:32,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:32,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:32,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:32,525 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:32,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:32,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:32,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:32,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:32,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:32,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:32,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:32,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:32,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:32,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:32,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:32,536 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:32,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:32,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:32,537 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_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b [2023-11-19 03:28:32,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:32,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:32,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:32,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:32,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:32,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-numeric/rec_counter1.c [2023-11-19 03:28:36,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:36,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:36,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/sv-benchmarks/c/termination-numeric/rec_counter1.c [2023-11-19 03:28:36,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/data/cdd895ac6/21f4abf749cd4717a13fd4aa3933ca60/FLAG4861e0ef1 [2023-11-19 03:28:36,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/data/cdd895ac6/21f4abf749cd4717a13fd4aa3933ca60 [2023-11-19 03:28:36,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:36,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:36,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:36,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:36,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:36,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e8af46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36, skipping insertion in model container [2023-11-19 03:28:36,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:36,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:36,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:36,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:36,569 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:36,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36 WrapperNode [2023-11-19 03:28:36,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:36,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:36,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:36,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:36,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,600 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-11-19 03:28:36,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:36,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:36,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:36,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:36,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:36,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:36,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:36,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:36,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:36,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:36,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e12bc7e-9a34-452c-9f05-9bf43737d543/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-19 03:28:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-19 03:28:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:36,748 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:36,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:36,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:36,924 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:36,925 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:36,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:36 BoogieIcfgContainer [2023-11-19 03:28:36,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:36,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:36,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:36,941 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:36,941 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-19 03:28:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:28:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:37,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 32 transitions. [2023-11-19 03:28:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-19 03:28:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:37,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:37,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 37 transitions. [2023-11-19 03:28:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-19 03:28:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:28:37,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 34 transitions. [2023-11-19 03:28:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-19 03:28:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:28:38,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:38,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 28 transitions. [2023-11-19 03:28:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:28:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:38,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 27 transitions. [2023-11-19 03:28:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-19 03:28:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:28:38,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:38,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2023-11-19 03:28:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 03:28:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:38,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:38,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 37 transitions. [2023-11-19 03:28:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-19 03:28:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:39,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:39,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 42 transitions. [2023-11-19 03:28:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 03:28:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:39,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:39,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:28:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 51 transitions. [2023-11-19 03:28:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2023-11-19 03:28:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:28:40,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:28:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 56 transitions. [2023-11-19 03:28:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-19 03:28:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:28:41,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:28:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 61 transitions. [2023-11-19 03:28:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 03:28:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:28:42,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:42,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:28:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 70 transitions. [2023-11-19 03:28:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-19 03:28:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:28:43,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 03:28:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 75 transitions. [2023-11-19 03:28:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-19 03:28:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:28:44,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:44,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-19 03:28:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 75 transitions. [2023-11-19 03:28:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-11-19 03:28:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:28:44,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 03:28:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 84 transitions. [2023-11-19 03:28:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-19 03:28:46,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:28:46,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 03:28:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 93 transitions. [2023-11-19 03:28:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-19 03:28:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:28:47,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 03:28:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 98 transitions. [2023-11-19 03:28:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2023-11-19 03:28:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:28:48,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:28:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 98 transitions. [2023-11-19 03:28:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-11-19 03:28:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:28:48,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 03:28:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 110 transitions. [2023-11-19 03:28:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2023-11-19 03:28:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:28:51,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 03:28:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 119 transitions. [2023-11-19 03:28:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2023-11-19 03:28:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:28:53,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-19 03:28:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 124 transitions. [2023-11-19 03:28:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2023-11-19 03:28:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:28:54,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-19 03:28:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 124 transitions. [2023-11-19 03:28:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2023-11-19 03:28:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 03:28:55,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-19 03:28:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 139 transitions. [2023-11-19 03:28:58,833 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 139 transitions. [2023-11-19 03:28:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 03:28:58,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 03:29:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 148 transitions. [2023-11-19 03:29:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-19 03:29:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 03:29:01,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:01,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-19 03:29:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 153 transitions. [2023-11-19 03:29:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 153 transitions. [2023-11-19 03:29:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:29:02,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2023-11-19 03:29:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 120 states and 153 transitions. [2023-11-19 03:29:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2023-11-19 03:29:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:29:02,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 200 proven. 35 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-19 03:29:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 137 states and 172 transitions. [2023-11-19 03:29:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2023-11-19 03:29:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 03:29:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-19 03:29:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 143 states and 181 transitions. [2023-11-19 03:29:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2023-11-19 03:29:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 03:29:14,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-19 03:29:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 146 states and 186 transitions. [2023-11-19 03:29:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 186 transitions. [2023-11-19 03:29:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 03:29:15,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:15,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-19 03:29:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 147 states and 186 transitions. [2023-11-19 03:29:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-19 03:29:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 03:29:16,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2023-11-19 03:29:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 167 states and 207 transitions. [2023-11-19 03:29:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 207 transitions. [2023-11-19 03:29:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 03:29:24,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:24,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat