./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:28,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:28,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:44:28,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:28,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:28,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:28,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:28,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:28,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:28,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:28,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:28,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:28,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:28,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:28,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:28,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:28,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:28,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:28,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:28,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:28,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:28,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:28,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:28,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:28,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:28,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:28,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:28,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:28,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:28,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:28,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:28,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:28,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:28,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:28,516 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_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2023-11-11 23:44:28,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:28,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:28,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:28,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:28,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:28,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-11 23:44:31,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:32,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:32,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-11 23:44:32,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/data/3f99aa670/1b1d54c4449b41bb822be1bbf4b873a9/FLAG22b0dc30b [2023-11-11 23:44:32,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/data/3f99aa670/1b1d54c4449b41bb822be1bbf4b873a9 [2023-11-11 23:44:32,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:32,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:32,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:32,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:32,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:32,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4970f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32, skipping insertion in model container [2023-11-11 23:44:32,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:32,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:32,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:32,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:32,900 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:32,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32 WrapperNode [2023-11-11 23:44:32,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:32,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:32,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:32,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:32,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,975 INFO L138 Inliner]: procedures = 126, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2023-11-11 23:44:32,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:32,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:32,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:32,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:32,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:33,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:33,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:33,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:33,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:33,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:33,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:33,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_049517ca-a33a-4d10-85cd-93d11a47ea29/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-11 23:44:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-11 23:44:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:44:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:44:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:44:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:44:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:33,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:33,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:33,424 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-11 23:44:33,774 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:33,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:33,866 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-11 23:44:33,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:33 BoogieIcfgContainer [2023-11-11 23:44:33,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:33,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:33,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:33,883 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:33,883 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:33" (1/1) ... [2023-11-11 23:44:33,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2023-11-11 23:44:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-11-11 23:44:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:44:33,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:33,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-11 23:44:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-11 23:44:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:44:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2023-11-11 23:44:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-11 23:44:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:34,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-11 23:44:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-11 23:44:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:34,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:34,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2023-11-11 23:44:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-11 23:44:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:35,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-11 23:44:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-11 23:44:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:35,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:35,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-11-11 23:44:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-11-11 23:44:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:36,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:36,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2023-11-11 23:44:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-11 23:44:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:36,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2023-11-11 23:44:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-11 23:44:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:37,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-11 23:44:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-11 23:44:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:44:39,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2023-11-11 23:44:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-11 23:44:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:44:39,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-11-11 23:44:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-11 23:44:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:39,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:39,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-11-11 23:44:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-11 23:44:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:44:39,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:39,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-11 23:44:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-11 23:44:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:41,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2023-11-11 23:44:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2023-11-11 23:44:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:42,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:43,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2023-11-11 23:44:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2023-11-11 23:44:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:43,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2023-11-11 23:44:43,835 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2023-11-11 23:44:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:43,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:43,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2023-11-11 23:44:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-11 23:44:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:45,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:44:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2023-11-11 23:44:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2023-11-11 23:44:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:45,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2023-11-11 23:44:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-11 23:44:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:47,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2023-11-11 23:44:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2023-11-11 23:44:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:48,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:48,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2023-11-11 23:44:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2023-11-11 23:44:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:44:48,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2023-11-11 23:44:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-11 23:44:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:44:48,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:48,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2023-11-11 23:44:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-11 23:44:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:44:49,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2023-11-11 23:44:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2023-11-11 23:44:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:44:50,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:50,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2023-11-11 23:44:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2023-11-11 23:44:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:50,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2023-11-11 23:44:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2023-11-11 23:44:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:44:51,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 104 states and 158 transitions. [2023-11-11 23:44:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 158 transitions. [2023-11-11 23:44:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:44:52,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:52,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 117 states and 174 transitions. [2023-11-11 23:44:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2023-11-11 23:44:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:44:57,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:45:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 123 states and 181 transitions. [2023-11-11 23:45:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2023-11-11 23:45:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:45:00,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:45:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-11-11 23:45:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-11 23:45:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:45:01,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:45:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2023-11-11 23:45:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2023-11-11 23:45:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:45:01,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:01,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-11 23:45:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2023-11-11 23:45:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2023-11-11 23:45:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:45:02,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:02,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-11 23:45:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 73 states and 94 transitions. [2023-11-11 23:45:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-11 23:45:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:45:03,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:03,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-11 23:45:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2023-11-11 23:45:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-11 23:45:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:45:03,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:03,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:45:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2023-11-11 23:45:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-11 23:45:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:45:04,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:04,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:45:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2023-11-11 23:45:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-11 23:45:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:45:06,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:45:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2023-11-11 23:45:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2023-11-11 23:45:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:45:08,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:08,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:45:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2023-11-11 23:45:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2023-11-11 23:45:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:45:09,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:09,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:45:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 88 states and 120 transitions. [2023-11-11 23:45:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-11-11 23:45:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:45:10,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:10,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:45:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2023-11-11 23:45:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2023-11-11 23:45:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:45:13,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:45:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 95 states and 130 transitions. [2023-11-11 23:45:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2023-11-11 23:45:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:45:14,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.