./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.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_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/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_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/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_38b26b4e-5135-4c92-b2ff-d80ae668695a/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 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:10,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:11,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:40:11,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:11,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:11,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:11,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:11,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:11,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:11,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:11,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:11,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:11,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:11,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:11,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:11,083 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:40:11,084 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:40:11,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:11,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:11,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:11,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:11,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:11,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:11,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:11,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:11,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:11,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:11,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:11,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:11,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:11,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:11,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:11,092 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_38b26b4e-5135-4c92-b2ff-d80ae668695a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c81340d9d0e66dca5ab126c254e84ac0eff8aac681c837312fa0969b8f7f2ee [2023-11-19 03:40:11,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:11,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:11,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:11,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:11,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:11,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-11-19 03:40:14,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:14,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:14,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-11-19 03:40:14,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/data/54c495514/4432c6ff4a76430a8f54aa99b55c78f5/FLAGd0ac36072 [2023-11-19 03:40:14,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/data/54c495514/4432c6ff4a76430a8f54aa99b55c78f5 [2023-11-19 03:40:15,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:15,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:15,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:15,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:15,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:15,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:14" (1/1) ... [2023-11-19 03:40:15,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b8d0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:15, skipping insertion in model container [2023-11-19 03:40:15,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:14" (1/1) ... [2023-11-19 03:40:15,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:15,441 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:15,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:15,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:15,983 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:16,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:16,105 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,112 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:16,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16 WrapperNode [2023-11-19 03:40:16,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:16,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:16,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:16,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:16,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,321 INFO L138 Inliner]: procedures = 178, calls = 440, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1803 [2023-11-19 03:40:16,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:16,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:16,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:16,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:16,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:16,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:16,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:16,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:16,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:16,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:16,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:16,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b26b4e-5135-4c92-b2ff-d80ae668695a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:40:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:40:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:40:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:40:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:40:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:16,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:16,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:18,975 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:21,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:21,132 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 03:40:21,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:21 BoogieIcfgContainer [2023-11-19 03:40:21,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:21,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:21,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:21,159 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:21,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:21" (1/1) ... [2023-11-19 03:40:21,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 136 states and 237 transitions. [2023-11-19 03:40:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2023-11-19 03:40:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:40:21,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:21,514 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 03:40:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2023-11-19 03:40:21,584 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2023-11-19 03:40:21,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:40:21,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:21,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:21,705 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 03:40:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 246 transitions. [2023-11-19 03:40:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2023-11-19 03:40:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:40:21,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:21,987 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 03:40:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 247 transitions. [2023-11-19 03:40:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 247 transitions. [2023-11-19 03:40:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:40:22,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,274 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 03:40:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2023-11-19 03:40:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2023-11-19 03:40:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:40:22,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:22,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:22,432 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 03:40:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 239 transitions. [2023-11-19 03:40:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2023-11-19 03:40:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:40:22,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,741 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 03:40:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 246 transitions. [2023-11-19 03:40:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2023-11-19 03:40:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:40:23,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:23,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:23,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:23,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:23,312 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 03:40:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 144 states and 238 transitions. [2023-11-19 03:40:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2023-11-19 03:40:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:40:23,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:23,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:23,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:23,473 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 03:40:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 144 states and 226 transitions. [2023-11-19 03:40:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2023-11-19 03:40:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:40:23,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:23,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:23,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:23,793 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 03:40:26,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:40:36,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:40:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 144 states and 214 transitions. [2023-11-19 03:40:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2023-11-19 03:40:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:40:36,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:36,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:36,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:36,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:36,965 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 03:40:47,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:40:57,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:00,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:17,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 159 states and 226 transitions. [2023-11-19 03:41:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-19 03:41:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:41:17,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:17,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:18,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:18,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:18,412 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 03:41:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 159 states and 224 transitions. [2023-11-19 03:41:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 224 transitions. [2023-11-19 03:41:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:41:18,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:18,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:18,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:18,816 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 03:41:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 159 states and 222 transitions. [2023-11-19 03:41:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2023-11-19 03:41:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:41:18,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.