./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 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_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/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_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/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_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/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_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/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 d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:24,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:24,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:30:24,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:24,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:24,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:24,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:24,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:24,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:24,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:24,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:24,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:24,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:24,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:24,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:24,203 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:30:24,204 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:30:24,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:24,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:24,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:24,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:24,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:24,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:24,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:24,207 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:24,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:24,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:24,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:24,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:24,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:24,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:24,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:24,211 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_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2023-11-19 03:30:24,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:24,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:24,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:24,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:24,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:24,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2023-11-19 03:30:27,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:27,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:27,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2023-11-19 03:30:27,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/data/e4805c7bb/83c59d567ff2427b9c545be67103e30a/FLAGe3a48081c [2023-11-19 03:30:28,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/data/e4805c7bb/83c59d567ff2427b9c545be67103e30a [2023-11-19 03:30:28,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:28,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:28,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:28,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:28,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:28,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:28" (1/1) ... [2023-11-19 03:30:28,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b755d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:28, skipping insertion in model container [2023-11-19 03:30:28,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:28" (1/1) ... [2023-11-19 03:30:28,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:28,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:29,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:29,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:29,253 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:29,261 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:29,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29 WrapperNode [2023-11-19 03:30:29,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:29,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:29,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:29,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:29,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,422 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1725 [2023-11-19 03:30:29,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:29,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:29,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:29,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:29,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:29,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:29,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:29,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:29,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:29" (1/1) ... [2023-11-19 03:30:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:29,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:29,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:29,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabc3646-9b31-43a2-bc6d-6dedbbdbfef7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:30:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:29,921 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:29,924 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:31,813 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:33,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:33,553 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:30:33,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:33 BoogieIcfgContainer [2023-11-19 03:30:33,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:33,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:33,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:33,582 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:33,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2023-11-19 03:30:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2023-11-19 03:30:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:33,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,929 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 03:30:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 208 states and 325 transitions. [2023-11-19 03:30:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-11-19 03:30:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:33,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:34,217 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 03:30:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 210 states and 328 transitions. [2023-11-19 03:30:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 328 transitions. [2023-11-19 03:30:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:34,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:34,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:34,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:34,495 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 03:30:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 209 states and 317 transitions. [2023-11-19 03:30:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 317 transitions. [2023-11-19 03:30:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:34,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:34,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:34,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:34,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:34,657 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 03:30:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 315 transitions. [2023-11-19 03:30:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 315 transitions. [2023-11-19 03:30:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:34,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:34,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:34,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:34,864 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 03:30:44,893 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 03:30:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 209 states and 313 transitions. [2023-11-19 03:30:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 313 transitions. [2023-11-19 03:30:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:44,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:30:45,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:45,504 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 03:30:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 206 states and 310 transitions. [2023-11-19 03:30:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 310 transitions. [2023-11-19 03:30:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:45,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:45,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:45,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:45,912 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 03:30:50,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:30:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 224 states and 332 transitions. [2023-11-19 03:30:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 332 transitions. [2023-11-19 03:30:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:30:51,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:51,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:51,613 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 03:30:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 223 states and 319 transitions. [2023-11-19 03:30:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 319 transitions. [2023-11-19 03:30:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:51,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:51,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:51,954 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 03:30:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 223 states and 318 transitions. [2023-11-19 03:30:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 318 transitions. [2023-11-19 03:30:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:52,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:52,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:52,388 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 03:30:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 217 states and 309 transitions. [2023-11-19 03:30:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 309 transitions. [2023-11-19 03:30:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:30:52,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:52,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:52,706 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 03:31:02,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 217 states and 307 transitions. [2023-11-19 03:31:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 307 transitions. [2023-11-19 03:31:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:31:02,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:31:03,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:23,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:25,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 216 states and 306 transitions. [2023-11-19 03:31:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2023-11-19 03:31:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:31:25,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:25,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:26,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:26,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.