./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/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_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/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 32bit --witnessprinter.graph.data.programhash c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:17:32,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:17:32,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:17:32,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:17:32,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:17:32,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:17:32,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:17:32,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:17:32,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:17:32,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:17:32,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:17:32,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:17:32,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:17:32,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:17:32,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:17:32,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:17:32,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:17:32,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:17:32,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:17:32,322 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:17:32,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:17:32,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:17:32,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:17:32,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:17:32,325 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:17:32,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:17:32,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:17:32,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:17:32,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:32,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:17:32,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:17:32,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:17:32,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:17:32,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:17:32,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:17:32,332 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_be7d4812-68dc-45d8-a883-3c4c83bea1a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2023-11-19 03:17:32,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:17:32,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:17:32,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:17:32,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:17:32,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:17:32,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-19 03:17:35,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:36,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:36,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-19 03:17:36,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/data/c6d13b652/4e115488827f4b9a99f0e59f19a7222b/FLAG9351e8b8b [2023-11-19 03:17:36,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/data/c6d13b652/4e115488827f4b9a99f0e59f19a7222b [2023-11-19 03:17:36,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:36,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:36,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:36,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:36,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:36,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e2a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36, skipping insertion in model container [2023-11-19 03:17:36,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:36,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:36,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:36,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:36,644 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:36,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36 WrapperNode [2023-11-19 03:17:36,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:36,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:36,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:36,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:36,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,694 INFO L138 Inliner]: procedures = 126, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2023-11-19 03:17:36,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:36,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:36,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:36,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:36,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:36,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:36,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:36,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:36,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:36" (1/1) ... [2023-11-19 03:17:36,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:36,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:36,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:36,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7d4812-68dc-45d8-a883-3c4c83bea1a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-19 03:17:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-19 03:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:36,949 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:36,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:37,003 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-19 03:17:37,263 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:37,355 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:37,355 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:17:37,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:37 BoogieIcfgContainer [2023-11-19 03:17:37,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:37,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:37,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:37,375 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:37,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:37" (1/1) ... [2023-11-19 03:17:37,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2023-11-19 03:17:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-11-19 03:17:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:17:37,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:37,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:37,736 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 03:17:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-19 03:17:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-19 03:17:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:17:37,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,000 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 03:17:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2023-11-19 03:17:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-19 03:17:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:17:38,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,172 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 03:17:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-19 03:17:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-19 03:17:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:17:38,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:38,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2023-11-19 03:17:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-19 03:17:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:17:38,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:38,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:17:38,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-19 03:17:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-19 03:17:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:17:38,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:38,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-11-19 03:17:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-19 03:17:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:17:39,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:39,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2023-11-19 03:17:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-19 03:17:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:17:39,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:17:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2023-11-19 03:17:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-19 03:17:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:17:40,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:17:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-19 03:17:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-19 03:17:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:17:41,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2023-11-19 03:17:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-19 03:17:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:17:42,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-11-19 03:17:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-19 03:17:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:17:42,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:42,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-11-19 03:17:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-19 03:17:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:17:42,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-19 03:17:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-19 03:17:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:17:43,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:17:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2023-11-19 03:17:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2023-11-19 03:17:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:17:44,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2023-11-19 03:17:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2023-11-19 03:17:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:17:45,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:45,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:17:45,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2023-11-19 03:17:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2023-11-19 03:17:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:17:45,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:45,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:46,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2023-11-19 03:17:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-19 03:17:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:17:46,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:46,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:17:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2023-11-19 03:17:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2023-11-19 03:17:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:17:47,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2023-11-19 03:17:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-19 03:17:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:17:48,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2023-11-19 03:17:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2023-11-19 03:17:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:17:49,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:17:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2023-11-19 03:17:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2023-11-19 03:17:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:17:49,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:49,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:17:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2023-11-19 03:17:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-19 03:17:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:17:50,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2023-11-19 03:17:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-19 03:17:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:17:50,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:50,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:17:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2023-11-19 03:17:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2023-11-19 03:17:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:17:51,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:17:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2023-11-19 03:17:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2023-11-19 03:17:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:17:51,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:17:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2023-11-19 03:17:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2023-11-19 03:17:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:17:52,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:17:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 104 states and 158 transitions. [2023-11-19 03:17:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2023-11-19 03:17:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:17:53,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:17:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 117 states and 174 transitions. [2023-11-19 03:17:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2023-11-19 03:17:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:17:57,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:18:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 123 states and 181 transitions. [2023-11-19 03:18:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2023-11-19 03:18:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:18:00,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:18:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-11-19 03:18:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-19 03:18:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:18:01,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:18:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2023-11-19 03:18:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-11-19 03:18:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:18:01,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:01,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:18:02,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2023-11-19 03:18:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2023-11-19 03:18:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:18:02,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:18:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 73 states and 94 transitions. [2023-11-19 03:18:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-19 03:18:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:18:03,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:18:03,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2023-11-19 03:18:03,796 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-19 03:18:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:18:03,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:03,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:18:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2023-11-19 03:18:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-19 03:18:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:18:04,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:04,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:18:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2023-11-19 03:18:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-19 03:18:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:18:05,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:18:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2023-11-19 03:18:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2023-11-19 03:18:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:18:08,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:18:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2023-11-19 03:18:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2023-11-19 03:18:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:18:08,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:18:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 88 states and 120 transitions. [2023-11-19 03:18:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-11-19 03:18:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:18:09,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:09,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:18:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2023-11-19 03:18:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2023-11-19 03:18:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:18:12,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:12,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:18:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 95 states and 130 transitions. [2023-11-19 03:18:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2023-11-19 03:18:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:18:12,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:18:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2023-11-19 03:18:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2023-11-19 03:18:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:18:18,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:18:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 112 states and 152 transitions. [2023-11-19 03:18:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2023-11-19 03:18:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:18:19,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:19,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.