./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.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_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/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_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/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_16892969-1625-4df3-9646-3c494f8b623d/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 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:11,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:11,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:04:11,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:11,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:11,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:11,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:11,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:11,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:11,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:11,605 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:11,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:11,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:11,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:11,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:11,609 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:11,609 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:11,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:11,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:11,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:11,611 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:11,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:11,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:11,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:11,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:11,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:11,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:11,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:11,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:11,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:11,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:11,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:11,619 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_16892969-1625-4df3-9646-3c494f8b623d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c [2023-11-19 04:04:11,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:12,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:12,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:12,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:12,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:12,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-19 04:04:15,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:15,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:15,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-19 04:04:15,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/data/2e96c7a94/9fdbe23404fb4bc2958b91748227441e/FLAG556260cec [2023-11-19 04:04:15,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/data/2e96c7a94/9fdbe23404fb4bc2958b91748227441e [2023-11-19 04:04:15,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:15,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:15,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:15,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:15,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:15,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c50ce40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15, skipping insertion in model container [2023-11-19 04:04:15,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:15,918 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:16,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:16,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:16,450 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:16,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:16,701 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,703 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,712 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:16,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16 WrapperNode [2023-11-19 04:04:16,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:16,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:16,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:16,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:16,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,872 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1367 [2023-11-19 04:04:16,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:16,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:16,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:16,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:16,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:17,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:17,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:17,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:17,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:17,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:17,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:17,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:17,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:17,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:17,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:17,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16892969-1625-4df3-9646-3c494f8b623d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:04:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:17,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:17,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:19,110 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:21,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:21,037 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 04:04:21,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:21 BoogieIcfgContainer [2023-11-19 04:04:21,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:21,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:21,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:21,061 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:21,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:21" (1/1) ... [2023-11-19 04:04:21,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2023-11-19 04:04:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2023-11-19 04:04:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:04:21,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,536 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 04:04:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 198 transitions. [2023-11-19 04:04:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2023-11-19 04:04:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:21,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,671 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 04:04:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2023-11-19 04:04:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2023-11-19 04:04:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:21,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,870 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 04:04:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2023-11-19 04:04:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-19 04:04:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:04:21,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,995 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 04:04:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2023-11-19 04:04:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2023-11-19 04:04:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:04:22,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:22,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,048 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 04:04:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-11-19 04:04:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-11-19 04:04:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:04:22,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:22,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:22,309 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 04:04:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 121 states and 199 transitions. [2023-11-19 04:04:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2023-11-19 04:04:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:04:22,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:22,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,681 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 04:04:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2023-11-19 04:04:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2023-11-19 04:04:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:04:23,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,046 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 04:04:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2023-11-19 04:04:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2023-11-19 04:04:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:04:23,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:23,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:23,175 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 04:04:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 202 transitions. [2023-11-19 04:04:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 202 transitions. [2023-11-19 04:04:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:04:23,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,231 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 04:04:23,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 200 transitions. [2023-11-19 04:04:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 200 transitions. [2023-11-19 04:04:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:04:23,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:23,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:23,355 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 04:04:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-11-19 04:04:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-11-19 04:04:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:04:23,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:23,451 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 04:04:33,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 128 states and 192 transitions. [2023-11-19 04:04:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 192 transitions. [2023-11-19 04:04:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:04:33,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:34,552 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 04:04:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 133 states and 201 transitions. [2023-11-19 04:04:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2023-11-19 04:04:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:04:35,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:35,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:35,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:35,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:35,923 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 04:04:45,945 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 04:04:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 133 states and 195 transitions. [2023-11-19 04:04:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2023-11-19 04:04:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:04:46,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:46,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:04:46,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:46,462 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 04:04:56,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:06,525 WARN L539 Checker$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 04:05:16,539 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 []