./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/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_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/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_79ae0c93-048e-4117-b532-dc55416d90be/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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:08,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:08,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:59:08,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:08,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:08,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:08,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:08,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:08,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:08,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:08,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:08,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:08,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:08,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:08,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:08,485 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:59:08,486 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:59:08,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:08,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:08,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:08,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:08,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:08,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:08,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:08,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:08,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:08,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:08,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:08,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:08,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:08,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:08,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:08,494 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_79ae0c93-048e-4117-b532-dc55416d90be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2023-11-24 22:59:08,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:08,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:08,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:08,824 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:08,824 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:08,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-24 22:59:12,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:12,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:12,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-24 22:59:12,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/data/f60a0ba3e/df316eac22ef4fb0913604d2eaab4dc4/FLAGe7ddb7f80 [2023-11-24 22:59:12,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/data/f60a0ba3e/df316eac22ef4fb0913604d2eaab4dc4 [2023-11-24 22:59:12,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:12,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:12,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:12,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:12,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:12,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169bc028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12, skipping insertion in model container [2023-11-24 22:59:12,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:13,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:13,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:13,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:13,513 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:13,521 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:13,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13 WrapperNode [2023-11-24 22:59:13,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:13,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:13,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:13,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:13,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,717 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-24 22:59:13,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:13,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:13,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:13,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:13,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:13,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:13,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:13,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:13,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:13" (1/1) ... [2023-11-24 22:59:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:13,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:13,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae0c93-048e-4117-b532-dc55416d90be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:59:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:59:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:59:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:59:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:14,256 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:14,259 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:15,876 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:17,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:17,494 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:59:17,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:17 BoogieIcfgContainer [2023-11-24 22:59:17,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:17,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:17,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:17,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:17,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:17" (1/1) ... [2023-11-24 22:59:17,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-24 22:59:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-24 22:59:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:17,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:17,845 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 22:59:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-24 22:59:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-24 22:59:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:17,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:17,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,186 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 22:59:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-24 22:59:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-24 22:59:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:18,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-24 22:59:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-24 22:59:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:59:18,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-24 22:59:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-24 22:59:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:59:18,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-24 22:59:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-24 22:59:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:59:18,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:18,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:28,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:59:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-24 22:59:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-24 22:59:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:59:29,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:29,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:29,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:59:29,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:39,727 WARN L539 Checker$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 22:59:49,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:59:59,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:00:09,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:00:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-24 23:00:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-24 23:00:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:00:09,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:10,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:10,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2023-11-24 23:00:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-24 23:00:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:00:10,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:10,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:10,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:10,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 131 states and 193 transitions. [2023-11-24 23:00:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-24 23:00:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:00:10,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:10,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:10,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:10,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.