./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/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_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/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_e49039b4-d59f-400f-8005-0d0663976b07/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 cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:53,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:53,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:59:53,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:53,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:54,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:54,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:54,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:54,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:54,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:54,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:54,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:54,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:54,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:54,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:54,038 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:54,038 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:54,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:54,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:54,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:54,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:54,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:54,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:54,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:54,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:54,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:54,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:54,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:54,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:54,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:54,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:54,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:54,045 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_e49039b4-d59f-400f-8005-0d0663976b07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 [2023-11-19 03:59:54,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:54,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:54,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:54,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:54,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:54,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2023-11-19 03:59:57,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:57,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:57,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2023-11-19 03:59:58,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/data/5f2a40d12/c5a89de438104ae0a55a774e8acc0b46/FLAG73d63fd1d [2023-11-19 03:59:58,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/data/5f2a40d12/c5a89de438104ae0a55a774e8acc0b46 [2023-11-19 03:59:58,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:58,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:58,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:58,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:58,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:58,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:58,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f47c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58, skipping insertion in model container [2023-11-19 03:59:58,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:58,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:58,368 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:58,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:58,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:58,805 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:58,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:58,975 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:58,976 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:58,985 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:58,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58 WrapperNode [2023-11-19 03:59:58,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:58,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:58,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:58,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:58,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,158 INFO L138 Inliner]: procedures = 178, calls = 334, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 1529 [2023-11-19 03:59:59,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:59,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:59,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:59,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:59,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:59,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:59,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:59,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:59,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:58" (1/1) ... [2023-11-19 03:59:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:59,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:59,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49039b4-d59f-400f-8005-0d0663976b07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:59:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:59:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:59:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:59:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:59,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:59,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:01,688 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:03,660 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:03,660 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 04:00:03,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:03 BoogieIcfgContainer [2023-11-19 04:00:03,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:03,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:03,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:03,687 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:03,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:03" (1/1) ... [2023-11-19 04:00:03,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2023-11-19 04:00:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2023-11-19 04:00:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:00:03,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,145 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 04:00:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2023-11-19 04:00:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2023-11-19 04:00:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:00:04,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,286 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 04:00:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 137 states and 232 transitions. [2023-11-19 04:00:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 232 transitions. [2023-11-19 04:00:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:00:04,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,527 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 04:00:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 145 states and 247 transitions. [2023-11-19 04:00:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 247 transitions. [2023-11-19 04:00:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:04,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,800 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 04:00:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 151 states and 255 transitions. [2023-11-19 04:00:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 255 transitions. [2023-11-19 04:00:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:05,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,232 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 04:00:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 150 states and 250 transitions. [2023-11-19 04:00:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2023-11-19 04:00:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:00:05,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,310 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 04:00:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 150 states and 248 transitions. [2023-11-19 04:00:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 248 transitions. [2023-11-19 04:00:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:00:05,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:05,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:05,472 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 04:00:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2023-11-19 04:00:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-19 04:00:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:05,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,532 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 04:00:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-11-19 04:00:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-11-19 04:00:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:05,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,696 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 04:00:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 152 states and 245 transitions. [2023-11-19 04:00:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 245 transitions. [2023-11-19 04:00:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:05,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:05,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:05,987 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 04:00:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 152 states and 241 transitions. [2023-11-19 04:00:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 241 transitions. [2023-11-19 04:00:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:00:05,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:06,018 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 04:00:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 152 states and 239 transitions. [2023-11-19 04:00:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 239 transitions. [2023-11-19 04:00:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:06,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:06,066 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 04:00:16,096 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 04:00:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 152 states and 237 transitions. [2023-11-19 04:00:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 237 transitions. [2023-11-19 04:00:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:16,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:16,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:16,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:16,241 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 04:00:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-11-19 04:00:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-11-19 04:00:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:16,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:17,278 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 04:00:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-11-19 04:00:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-19 04:00:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:00:18,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:18,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:18,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:18,800 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 04:00:28,821 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 04:00:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2023-11-19 04:00:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2023-11-19 04:00:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:28,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:29,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:29,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:29,271 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 04:00:39,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:49,335 WARN L539 Checker$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 04:00:59,343 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 04:00:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 160 states and 237 transitions. [2023-11-19 04:00:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2023-11-19 04:00:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:59,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:59,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:59,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:59,642 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 04:00:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2023-11-19 04:00:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2023-11-19 04:00:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:00:59,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:59,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:59,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:59,870 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 04:00:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 160 states and 233 transitions. [2023-11-19 04:00:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 233 transitions. [2023-11-19 04:00:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:00:59,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms