./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm --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 d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:42,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:42,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 21:42:42,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:42:42,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:42:42,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:42,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:42,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:42,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:42,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:42,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:42,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:42,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:42,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:42,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:42,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:42,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:42,371 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:42:42,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:42:42,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm 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 -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2024-11-13 21:42:42,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:42,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:42,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:42,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:42,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:42,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i Unable to find full path for "g++" [2024-11-13 21:42:44,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:45,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:45,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2024-11-13 21:42:45,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/data/563426b35/bbf7737e519a41a4b9432f7a32a3de66/FLAGc62321ef3 [2024-11-13 21:42:45,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/data/563426b35/bbf7737e519a41a4b9432f7a32a3de66 [2024-11-13 21:42:45,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:45,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:45,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:45,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:45,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:45,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:45" (1/1) ... [2024-11-13 21:42:45,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488d51a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:45, skipping insertion in model container [2024-11-13 21:42:45,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:45" (1/1) ... [2024-11-13 21:42:45,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:46,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:46,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:46,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:46,303 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:46,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46 WrapperNode [2024-11-13 21:42:46,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:46,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:46,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:46,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:46,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,438 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1779 [2024-11-13 21:42:46,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:46,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:46,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:46,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:46,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:46,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:46,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:46,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:46,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:46,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:46,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ff0ed6-280a-4af7-87ea-1100adc441c2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:42:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:42:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:42:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:42:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:46,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:46,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:49,279 INFO L? ?]: Removed 478 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:49,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:51,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:51,059 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-13 21:42:51,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:51 BoogieIcfgContainer [2024-11-13 21:42:51,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:51,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:51,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:51,073 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:51,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:51" (1/1) ... [2024-11-13 21:42:51,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2024-11-13 21:42:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2024-11-13 21:42:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:42:51,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 208 states and 325 transitions. [2024-11-13 21:42:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2024-11-13 21:42:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:42:51,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 209 states and 323 transitions. [2024-11-13 21:42:51,835 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 323 transitions. [2024-11-13 21:42:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:42:51,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:51,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 208 states and 312 transitions. [2024-11-13 21:42:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 312 transitions. [2024-11-13 21:42:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:42:51,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:42:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 208 states and 310 transitions. [2024-11-13 21:42:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 310 transitions. [2024-11-13 21:42:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:42:52,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:52,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:02,288 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 [] [2024-11-13 21:43:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 208 states and 308 transitions. [2024-11-13 21:43:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 308 transitions. [2024-11-13 21:43:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:43:02,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:02,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms