./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2 --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 e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:58,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:59,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:43:59,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:59,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:59,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:59,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:59,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:59,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:59,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:59,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:59,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:59,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:59,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:59,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:59,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:59,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:59,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:59,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:59,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:59,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:59,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:59,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:59,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:59,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:59,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:59,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:59,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:59,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:59,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:59,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:59,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:59,114 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_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2023-11-21 18:43:59,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:59,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:59,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:59,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:59,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:59,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-21 18:44:02,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:02,771 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:02,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-21 18:44:02,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/data/4808e0226/30c179c06d0a46ccb736211cb02f4320/FLAG4f976dbbe [2023-11-21 18:44:02,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/data/4808e0226/30c179c06d0a46ccb736211cb02f4320 [2023-11-21 18:44:02,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:02,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:02,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:02,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:02,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:02,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddb95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02, skipping insertion in model container [2023-11-21 18:44:02,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:03,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:03,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:03,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:03,103 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:03,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03 WrapperNode [2023-11-21 18:44:03,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:03,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:03,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:03,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:03,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,136 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2023-11-21 18:44:03,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:03,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:03,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:03,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:03,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:03,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:03,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:03,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:03,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:03,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:03,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06cf06d8-9a41-4173-a4c9-112e4998bcbf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-21 18:44:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-21 18:44:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:03,331 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:03,334 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:03,485 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:03,514 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:03,514 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:44:03,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:03 BoogieIcfgContainer [2023-11-21 18:44:03,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:03,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:03,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:03,543 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:03,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:03" (1/1) ... [2023-11-21 18:44:03,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-21 18:44:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-21 18:44:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:44:03,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 30 transitions. [2023-11-21 18:44:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-21 18:44:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:44:04,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 36 transitions. [2023-11-21 18:44:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:44:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:04,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 42 transitions. [2023-11-21 18:44:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-21 18:44:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:44:04,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 44 transitions. [2023-11-21 18:44:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-21 18:44:05,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:44:05,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 52 transitions. [2023-11-21 18:44:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-21 18:44:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:44:05,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 51 transitions. [2023-11-21 18:44:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-21 18:44:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:05,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 57 transitions. [2023-11-21 18:44:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:44:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:05,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 58 transitions. [2023-11-21 18:44:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-11-21 18:44:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:44:05,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 64 transitions. [2023-11-21 18:44:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-21 18:44:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:44:06,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 77 transitions. [2023-11-21 18:44:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-21 18:44:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:44:06,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 83 transitions. [2023-11-21 18:44:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-21 18:44:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:44:07,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:44:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 67 transitions. [2023-11-21 18:44:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-21 18:44:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:07,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 72 transitions. [2023-11-21 18:44:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-11-21 18:44:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:08,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:44:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 51 transitions. [2023-11-21 18:44:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-21 18:44:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:08,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 56 transitions. [2023-11-21 18:44:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2023-11-21 18:44:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:09,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 61 transitions. [2023-11-21 18:44:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-11-21 18:44:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:44:09,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 66 transitions. [2023-11-21 18:44:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-11-21 18:44:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:44:10,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 71 transitions. [2023-11-21 18:44:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-21 18:44:11,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:11,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 76 transitions. [2023-11-21 18:44:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2023-11-21 18:44:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:44:12,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 77 states and 81 transitions. [2023-11-21 18:44:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-21 18:44:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:44:13,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 86 transitions. [2023-11-21 18:44:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-11-21 18:44:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:44:14,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 87 states and 91 transitions. [2023-11-21 18:44:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2023-11-21 18:44:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:44:15,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 96 transitions. [2023-11-21 18:44:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2023-11-21 18:44:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:44:16,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 97 states and 101 transitions. [2023-11-21 18:44:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2023-11-21 18:44:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:44:17,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:17,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 106 transitions. [2023-11-21 18:44:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2023-11-21 18:44:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:44:18,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 107 states and 111 transitions. [2023-11-21 18:44:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2023-11-21 18:44:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-21 18:44:19,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:19,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 112 states and 116 transitions. [2023-11-21 18:44:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2023-11-21 18:44:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:44:21,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 121 transitions. [2023-11-21 18:44:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-11-21 18:44:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:44:22,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 122 states and 126 transitions. [2023-11-21 18:44:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2023-11-21 18:44:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-21 18:44:24,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 127 states and 131 transitions. [2023-11-21 18:44:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2023-11-21 18:44:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:44:25,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 132 states and 136 transitions. [2023-11-21 18:44:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-21 18:44:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:44:26,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 141 transitions. [2023-11-21 18:44:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-11-21 18:44:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-21 18:44:28,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:28,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 142 states and 146 transitions. [2023-11-21 18:44:30,214 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2023-11-21 18:44:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-21 18:44:30,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 151 transitions. [2023-11-21 18:44:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2023-11-21 18:44:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-21 18:44:31,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:31,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 1703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 156 transitions. [2023-11-21 18:44:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2023-11-21 18:44:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-21 18:44:33,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:33,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 157 states and 161 transitions. [2023-11-21 18:44:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2023-11-21 18:44:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-21 18:44:35,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:35,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 162 states and 166 transitions. [2023-11-21 18:44:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2023-11-21 18:44:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-21 18:44:36,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 2117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 167 states and 171 transitions. [2023-11-21 18:44:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 171 transitions. [2023-11-21 18:44:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-21 18:44:38,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 2265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 172 states and 176 transitions. [2023-11-21 18:44:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 176 transitions. [2023-11-21 18:44:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-21 18:44:40,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:40,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 177 states and 181 transitions. [2023-11-21 18:44:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2023-11-21 18:44:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:44:42,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 2576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 182 states and 186 transitions. [2023-11-21 18:44:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 186 transitions. [2023-11-21 18:44:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-21 18:44:44,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat