./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 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_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk --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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:42:58,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:42:58,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-08 19:42:58,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:42:58,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:42:58,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:42:58,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:42:58,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:42:58,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:42:58,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:42:58,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:42:58,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:42:58,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:42:58,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:42:58,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:42:58,661 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:42:58,662 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:42:58,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:42:58,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:42:58,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:42:58,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:42:58,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:42:58,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:42:58,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:42:58,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:42:58,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:42:58,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:42:58,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:42:58,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:42:58,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:42:58,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:42:58,671 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:42:58,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:42:58,672 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_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2024-11-08 19:42:59,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:42:59,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:42:59,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:42:59,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:42:59,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:42:59,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i Unable to find full path for "g++" [2024-11-08 19:43:01,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:43:02,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:43:02,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2024-11-08 19:43:02,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/data/33c8c942a/954b3481753f4b96888249d54eb28cbd/FLAGa147841f8 [2024-11-08 19:43:02,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/data/33c8c942a/954b3481753f4b96888249d54eb28cbd [2024-11-08 19:43:02,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:43:02,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:43:02,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:02,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:43:02,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:43:02,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:02" (1/1) ... [2024-11-08 19:43:02,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797c4f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:02, skipping insertion in model container [2024-11-08 19:43:02,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:02" (1/1) ... [2024-11-08 19:43:02,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:43:03,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:03,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:43:03,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:03,715 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:43:03,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03 WrapperNode [2024-11-08 19:43:03,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:03,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:03,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:43:03,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:43:03,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:03,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:03,894 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1779 [2024-11-08 19:43:03,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:03,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:43:03,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:43:03,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:43:03,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:03,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:03,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:03,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:43:04,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:43:04,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:43:04,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:43:04,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:03" (1/1) ... [2024-11-08 19:43:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:04,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:43:04,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:43:04,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a687817-950a-479a-b0eb-2267c8e26ca5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:43:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:43:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 19:43:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:43:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:43:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:43:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:43:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:43:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 19:43:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:43:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:43:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:43:04,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:43:04,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:43:07,281 INFO L? ?]: Removed 484 outVars from TransFormulas that were not future-live. [2024-11-08 19:43:07,281 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:43:09,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:43:09,347 INFO L316 CfgBuilder]: Removed 66 assume(true) statements. [2024-11-08 19:43:09,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:09 BoogieIcfgContainer [2024-11-08 19:43:09,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:43:09,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:43:09,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:43:09,361 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:43:09,361 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:09" (1/1) ... [2024-11-08 19:43:09,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:43:09,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 220 states and 347 transitions. [2024-11-08 19:43:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 347 transitions. [2024-11-08 19:43:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:43:09,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:09,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 219 states and 342 transitions. [2024-11-08 19:43:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 342 transitions. [2024-11-08 19:43:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:43:09,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:09,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 220 states and 340 transitions. [2024-11-08 19:43:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 340 transitions. [2024-11-08 19:43:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:43:10,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 219 states and 329 transitions. [2024-11-08 19:43:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 329 transitions. [2024-11-08 19:43:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:43:10,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 219 states and 327 transitions. [2024-11-08 19:43:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 327 transitions. [2024-11-08 19:43:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:43:10,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:20,695 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 [] [2024-11-08 19:43:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 219 states and 325 transitions. [2024-11-08 19:43:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 325 transitions. [2024-11-08 19:43:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:43:20,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms