./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.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_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/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_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/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_dd521798-aa78-499c-a084-c8e1d865e44c/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 f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:06,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:06,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:23:06,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:06,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:06,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:06,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:06,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:06,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:06,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:06,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:06,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:06,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:06,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:06,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:06,510 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:23:06,510 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:23:06,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:06,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:06,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:06,512 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:06,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:06,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:06,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:06,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:06,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:06,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:06,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:06,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:06,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:06,520 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:06,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:06,521 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_dd521798-aa78-499c-a084-c8e1d865e44c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-19 03:23:06,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:06,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:06,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:06,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:06,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:06,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:23:10,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:10,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:10,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:23:10,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/data/e8aa458e2/d753d56b926644279cb1e1e414acbcd6/FLAG57f0a05d2 [2023-11-19 03:23:10,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/data/e8aa458e2/d753d56b926644279cb1e1e414acbcd6 [2023-11-19 03:23:10,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:10,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:10,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:10,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:10,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:10,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102920d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10, skipping insertion in model container [2023-11-19 03:23:10,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:11,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:11,445 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:11,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:11,726 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:11,756 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:11,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11 WrapperNode [2023-11-19 03:23:11,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:11,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:11,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:11,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:11,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:11,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,115 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6205 [2023-11-19 03:23:12,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:12,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:12,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:12,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:12,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:12,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:12,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:12,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:12,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:12,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:12,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:12,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:12,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd521798-aa78-499c-a084-c8e1d865e44c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:23:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:23:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:23:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:12,901 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:12,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:17,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:19,831 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:19,831 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:23:19,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:19 BoogieIcfgContainer [2023-11-19 03:23:19,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:19,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:19,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:19,860 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:19,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 3598 states and 5169 transitions. [2023-11-19 03:23:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5169 transitions. [2023-11-19 03:23:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:23:20,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,224 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 03:23:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3598 states and 5167 transitions. [2023-11-19 03:23:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5167 transitions. [2023-11-19 03:23:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:20,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,478 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 03:23:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 3600 states and 5170 transitions. [2023-11-19 03:23:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5170 transitions. [2023-11-19 03:23:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:20,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:20,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3600 states and 5168 transitions. [2023-11-19 03:23:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5168 transitions. [2023-11-19 03:23:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:20,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:20,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3600 states and 5164 transitions. [2023-11-19 03:23:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5164 transitions. [2023-11-19 03:23:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:20,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:20,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 3600 states and 5158 transitions. [2023-11-19 03:23:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5158 transitions. [2023-11-19 03:23:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:23:21,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:21,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:21,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 3600 states and 5152 transitions. [2023-11-19 03:23:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5152 transitions. [2023-11-19 03:23:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:23:22,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:22,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:23:22,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:32,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:34,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:34,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3613 states and 5167 transitions. [2023-11-19 03:23:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5167 transitions. [2023-11-19 03:23:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:23:34,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:35,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 3613 states and 5165 transitions. [2023-11-19 03:23:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5165 transitions. [2023-11-19 03:23:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:23:35,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:35,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3613 states and 5163 transitions. [2023-11-19 03:23:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5163 transitions. [2023-11-19 03:23:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:35,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:35,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:45,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3613 states and 5161 transitions. [2023-11-19 03:23:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5161 transitions. [2023-11-19 03:23:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:23:45,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:45,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:23:45,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:55,976 WARN L539 Checker$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 03:24:05,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:24:09,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:24:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 3616 states and 5163 transitions. [2023-11-19 03:24:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5163 transitions. [2023-11-19 03:24:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:24:09,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:09,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:09,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:24:09,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:09,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:24:09,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 03:24:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 3618 states and 5166 transitions. [2023-11-19 03:24:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5166 transitions. [2023-11-19 03:24:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:24:09,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:09,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:09,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:24:09,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:09,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 3617 states and 5161 transitions. [2023-11-19 03:24:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5161 transitions. [2023-11-19 03:24:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:24:09,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:09,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:10,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:24:10,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5157 states to 3617 states and 5157 transitions. [2023-11-19 03:24:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5157 transitions. [2023-11-19 03:24:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:24:10,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:10,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:24:10,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 3617 states and 5155 transitions. [2023-11-19 03:24:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5155 transitions. [2023-11-19 03:24:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:24:10,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:10,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:10,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:24:10,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.