./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.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_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/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_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/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_5c107e96-d081-4f58-9b28-fc497acbe4a2/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 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:54,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:54,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:02:54,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:54,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:54,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:54,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:54,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:54,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:54,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:54,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:54,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:54,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:54,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:54,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:54,529 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:02:54,529 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:02:54,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:54,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:54,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:54,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:54,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:54,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:54,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:54,533 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:54,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:54,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:54,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:54,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:54,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:54,537 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:54,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:54,537 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_5c107e96-d081-4f58-9b28-fc497acbe4a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2023-11-19 03:02:54,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:54,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:54,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:54,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:54,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:54,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-11-19 03:02:58,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:58,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:58,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-11-19 03:02:58,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/data/a3ef629a0/b0c3e5f7ec0b4f8c887b71fa5d2ded83/FLAG3c1d35261 [2023-11-19 03:02:58,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/data/a3ef629a0/b0c3e5f7ec0b4f8c887b71fa5d2ded83 [2023-11-19 03:02:58,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:58,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:58,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:58,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:58,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:58,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:58" (1/1) ... [2023-11-19 03:02:58,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648c99c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:58, skipping insertion in model container [2023-11-19 03:02:58,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:58" (1/1) ... [2023-11-19 03:02:58,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:59,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:59,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:59,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:59,631 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:59,638 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:59,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59 WrapperNode [2023-11-19 03:02:59,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:59,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:59,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:59,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:59,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,799 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-19 03:02:59,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:59,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:59,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:59,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:59,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:02:59,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:03:00,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:03:00,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:03:00,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:03:00,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:00,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:00,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:00,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:00,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:59" (1/1) ... [2023-11-19 03:03:00,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:00,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:00,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:00,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c107e96-d081-4f58-9b28-fc497acbe4a2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:03:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:03:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:03:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:00,420 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:00,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:02,481 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:04,614 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:04,615 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 03:03:04,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:04 BoogieIcfgContainer [2023-11-19 03:03:04,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:04,634 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:04,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:04,646 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:04,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:04" (1/1) ... [2023-11-19 03:03:04,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-19 03:03:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-19 03:03:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:03:04,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:04,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,043 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 03:03:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-19 03:03:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-19 03:03:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:03:05,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,320 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 03:03:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-19 03:03:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-19 03:03:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:03:05,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:05,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:05,486 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 03:03:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-19 03:03:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-19 03:03:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:05,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:05,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:05,591 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 03:03:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-19 03:03:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-19 03:03:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:05,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:05,700 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 03:03:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-19 03:03:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-19 03:03:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:05,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:05,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:05,922 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 03:03:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-19 03:03:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-19 03:03:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:06,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:07,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:07,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:07,191 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 03:03:17,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:03:27,407 WARN L539 Checker$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 03:03:37,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:03:47,428 WARN L539 Checker$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 03:03:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-19 03:03:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-19 03:03:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:47,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:47,713 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 03:03:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 337 states and 487 transitions. [2023-11-19 03:03:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 487 transitions. [2023-11-19 03:03:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:47,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:47,956 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 03:03:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 337 states and 485 transitions. [2023-11-19 03:03:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-19 03:03:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:03:47,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:48,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:48,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,301 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 03:03:58,315 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 03:03:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 337 states and 483 transitions. [2023-11-19 03:03:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 483 transitions. [2023-11-19 03:03:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:03:58,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:58,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:58,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.