./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:00,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:00,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:38:00,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:00,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:00,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:00,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:00,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:00,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:00,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:00,517 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:00,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:00,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:00,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:00,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:00,520 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:00,520 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:00,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:00,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:00,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:00,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:00,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:00,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:00,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:00,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:00,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:00,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:00,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:00,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:00,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:00,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:00,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:00,529 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_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2023-11-19 03:38:00,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:00,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:00,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:00,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:00,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:00,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2023-11-19 03:38:04,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:04,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:04,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2023-11-19 03:38:04,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/data/f7de46e83/d72c427f6ede4c48b7c4f6833a6d1ba2/FLAG552211b65 [2023-11-19 03:38:04,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/data/f7de46e83/d72c427f6ede4c48b7c4f6833a6d1ba2 [2023-11-19 03:38:04,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:04,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:04,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:04,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:04,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:04,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4f97f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:04, skipping insertion in model container [2023-11-19 03:38:04,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:04" (1/1) ... [2023-11-19 03:38:04,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:05,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:05,387 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:05,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:05,613 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:05,621 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:05,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05 WrapperNode [2023-11-19 03:38:05,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:05,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:05,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:05,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:05,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,845 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1824 [2023-11-19 03:38:05,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:05,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:05,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:05,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:05,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:06,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:06,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:06,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:06,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:06,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:06,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:06,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:06,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bffbf01-7898-456d-a732-25cd474ed95f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:38:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:38:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:38:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:38:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:38:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:06,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:06,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:09,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:11,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:11,816 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-19 03:38:11,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:11 BoogieIcfgContainer [2023-11-19 03:38:11,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:11,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:11,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:11,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:11,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:11" (1/1) ... [2023-11-19 03:38:11,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 338 states and 520 transitions. [2023-11-19 03:38:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 520 transitions. [2023-11-19 03:38:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:38:11,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 338 states and 518 transitions. [2023-11-19 03:38:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 518 transitions. [2023-11-19 03:38:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:38:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 340 states and 521 transitions. [2023-11-19 03:38:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 521 transitions. [2023-11-19 03:38:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:38:12,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:12,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:12,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:12,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 339 states and 516 transitions. [2023-11-19 03:38:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2023-11-19 03:38:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:38:12,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:12,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:12,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 339 states and 512 transitions. [2023-11-19 03:38:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 512 transitions. [2023-11-19 03:38:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:38:12,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:13,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:13,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 339 states and 506 transitions. [2023-11-19 03:38:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2023-11-19 03:38:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:38:13,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:13,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:13,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:23,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 339 states and 500 transitions. [2023-11-19 03:38:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 500 transitions. [2023-11-19 03:38:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:38:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:23,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:38:23,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:34,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:44,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:54,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 352 states and 515 transitions. [2023-11-19 03:38:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 515 transitions. [2023-11-19 03:38:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:38:55,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:55,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:55,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 352 states and 513 transitions. [2023-11-19 03:38:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 513 transitions. [2023-11-19 03:38:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:38:55,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:55,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:55,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:55,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 352 states and 511 transitions. [2023-11-19 03:38:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 511 transitions. [2023-11-19 03:38:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:38:55,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:55,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:56,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:56,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:03,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:39:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 352 states and 509 transitions. [2023-11-19 03:39:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 509 transitions. [2023-11-19 03:39:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:39:04,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:39:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.