./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/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_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93d1510274ba16ddd1276e8e93ff0a644bf6fb4a262c4c9dde32fe8591d5ce8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:10,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:10,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:57:10,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:10,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:10,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:10,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:10,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:10,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:10,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:10,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:10,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:10,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:10,971 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:57:10,972 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:57:10,972 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:57:10,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:10,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:10,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:10,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:10,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:10,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:10,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:10,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:10,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:10,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:10,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:10,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:10,979 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_00261e1b-892f-4d45-b804-4f834decf3c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93d1510274ba16ddd1276e8e93ff0a644bf6fb4a262c4c9dde32fe8591d5ce8c [2023-11-11 23:57:11,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:11,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:11,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:11,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:11,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:11,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2023-11-11 23:57:14,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:14,838 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:14,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2023-11-11 23:57:14,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/data/e4287fd9b/7f07a2e00457483c85b448e730239688/FLAG5caf66f10 [2023-11-11 23:57:14,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/data/e4287fd9b/7f07a2e00457483c85b448e730239688 [2023-11-11 23:57:14,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:14,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:14,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:14,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:14,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:14,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:14" (1/1) ... [2023-11-11 23:57:14,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6d8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:14, skipping insertion in model container [2023-11-11 23:57:14,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:14" (1/1) ... [2023-11-11 23:57:14,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:15,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:15,348 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:15,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:15,426 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:15,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15 WrapperNode [2023-11-11 23:57:15,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:15,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:15,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:15,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:15,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,493 INFO L138 Inliner]: procedures = 127, calls = 45, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 150 [2023-11-11 23:57:15,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:15,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:15,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:15,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:15,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:15,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:15,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:15,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:15,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:15" (1/1) ... [2023-11-11 23:57:15,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:15,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:15,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:15,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00261e1b-892f-4d45-b804-4f834decf3c3/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:57:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:15,800 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:15,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:16,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:16,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:16,400 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:57:16,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16 BoogieIcfgContainer [2023-11-11 23:57:16,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:16,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:16,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:16,416 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:16,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16" (1/1) ... [2023-11-11 23:57:16,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 103 states and 115 transitions. [2023-11-11 23:57:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2023-11-11 23:57:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:16,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:16,835 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 23:57:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2023-11-11 23:57:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2023-11-11 23:57:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:16,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:16,958 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 23:57:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2023-11-11 23:57:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2023-11-11 23:57:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:16,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:16,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,089 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 23:57:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2023-11-11 23:57:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2023-11-11 23:57:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:17,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,253 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 23:57:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2023-11-11 23:57:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-11-11 23:57:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:17,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,434 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 23:57:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2023-11-11 23:57:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2023-11-11 23:57:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:57:17,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,782 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 23:57:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2023-11-11 23:57:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2023-11-11 23:57:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:57:17,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,941 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 23:57:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2023-11-11 23:57:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2023-11-11 23:57:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:57:17,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:18,022 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 23:57:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2023-11-11 23:57:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2023-11-11 23:57:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:57:18,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:18,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:18,551 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 23:57:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 111 states and 128 transitions. [2023-11-11 23:57:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2023-11-11 23:57:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:19,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 119 states and 142 transitions. [2023-11-11 23:57:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2023-11-11 23:57:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:20,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 127 states and 159 transitions. [2023-11-11 23:57:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 159 transitions. [2023-11-11 23:57:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:22,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 129 states and 162 transitions. [2023-11-11 23:57:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 162 transitions. [2023-11-11 23:57:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:23,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 128 states and 161 transitions. [2023-11-11 23:57:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2023-11-11 23:57:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:23,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:23,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2023-11-11 23:57:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2023-11-11 23:57:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:23,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:23,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-11 23:57:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-11 23:57:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:24,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 158 transitions. [2023-11-11 23:57:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2023-11-11 23:57:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:24,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 124 states and 157 transitions. [2023-11-11 23:57:24,285 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2023-11-11 23:57:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:24,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2023-11-11 23:57:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-11 23:57:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:57:24,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:24,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:57:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 144 states and 203 transitions. [2023-11-11 23:57:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 203 transitions. [2023-11-11 23:57:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:57:30,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:37,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2023-11-11 23:57:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2023-11-11 23:57:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:37,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 95 states and 105 transitions. [2023-11-11 23:57:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2023-11-11 23:57:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:40,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 97 states and 109 transitions. [2023-11-11 23:57:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2023-11-11 23:57:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:46,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:57:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2023-11-11 23:57:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-11 23:57:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:54,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 121 transitions. [2023-11-11 23:57:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2023-11-11 23:57:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:56,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:57:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2023-11-11 23:57:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2023-11-11 23:57:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:57,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:57,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:58:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 107 states and 137 transitions. [2023-11-11 23:58:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2023-11-11 23:58:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:58:00,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.