./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi --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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:34,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:34,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:05:34,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:34,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:34,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:34,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:34,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:34,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:34,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:34,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:34,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:34,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:34,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:34,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:34,332 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:34,333 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:34,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:34,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:34,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:34,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:34,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:34,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:34,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:34,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:34,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:34,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:34,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:34,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:34,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:34,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:34,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:34,341 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_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-11-24 23:05:34,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:34,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:34,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:34,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:34,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:34,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-11-24 23:05:37,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:38,200 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:38,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2023-11-24 23:05:38,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/data/aa6424e3d/6656c23893104b82bddc5d20a8ec8c95/FLAG371f67743 [2023-11-24 23:05:38,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/data/aa6424e3d/6656c23893104b82bddc5d20a8ec8c95 [2023-11-24 23:05:38,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:38,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:38,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:38,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:38,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:38,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:38" (1/1) ... [2023-11-24 23:05:38,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714c75a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:38, skipping insertion in model container [2023-11-24 23:05:38,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:38" (1/1) ... [2023-11-24 23:05:38,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:39,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:39,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:39,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:39,293 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:39,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39 WrapperNode [2023-11-24 23:05:39,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:39,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:39,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:39,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:39,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,464 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1490 [2023-11-24 23:05:39,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:39,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:39,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:39,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:39,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:39,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:39,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:39,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:39,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:39,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:39,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f32909fd-6bf1-48bf-b39d-e6d6dddeecb1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:05:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:05:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:05:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:39,991 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:39,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:42,149 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:43,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:43,839 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-24 23:05:43,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:43 BoogieIcfgContainer [2023-11-24 23:05:43,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:43,843 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:43,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:43,854 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:43,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:43" (1/1) ... [2023-11-24 23:05:43,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:43,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:43,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 188 transitions. [2023-11-24 23:05:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2023-11-24 23:05:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:43,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:43,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 189 transitions. [2023-11-24 23:05:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2023-11-24 23:05:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:05:44,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 194 transitions. [2023-11-24 23:05:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 194 transitions. [2023-11-24 23:05:44,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:44,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2023-11-24 23:05:44,718 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2023-11-24 23:05:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:44,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-11-24 23:05:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-24 23:05:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:44,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:44,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:44,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:44,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 183 transitions. [2023-11-24 23:05:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2023-11-24 23:05:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:05:45,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:45,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:45,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2023-11-24 23:05:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2023-11-24 23:05:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:05:45,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:45,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:45,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:45,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:55,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:06:05,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:06:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 159 transitions. [2023-11-24 23:06:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2023-11-24 23:06:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:06:05,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:16,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:06:26,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:06:36,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []