./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.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_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/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_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/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_9615145d-3cda-4564-9ec1-2f0ab6da9645/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 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:37,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:37,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:55:37,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:37,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:37,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:37,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:37,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:37,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:37,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:37,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:37,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:37,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:37,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:37,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:37,946 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:55:37,947 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:55:37,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:37,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:37,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:37,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:37,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:37,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:37,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:37,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:37,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:37,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:37,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:37,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:37,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:37,972 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:37,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:37,973 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_9615145d-3cda-4564-9ec1-2f0ab6da9645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2023-11-24 22:55:38,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:38,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:38,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:38,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:38,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:38,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2023-11-24 22:55:41,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:41,714 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:41,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2023-11-24 22:55:41,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/data/05c3eb70a/296f89304f1e4758a8048d9ba221fcf3/FLAG60fea025b [2023-11-24 22:55:41,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/data/05c3eb70a/296f89304f1e4758a8048d9ba221fcf3 [2023-11-24 22:55:41,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:41,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:41,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:41,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:41,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:41,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:41" (1/1) ... [2023-11-24 22:55:41,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a107e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:41, skipping insertion in model container [2023-11-24 22:55:41,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:41" (1/1) ... [2023-11-24 22:55:41,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:42,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:42,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:42,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:42,752 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:42,760 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:42,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42 WrapperNode [2023-11-24 22:55:42,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:42,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:42,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:42,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:42,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,929 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1824 [2023-11-24 22:55:42,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:42,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:42,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:42,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:42,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:43,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:43,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:43,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:43,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:43,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:43,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:43,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9615145d-3cda-4564-9ec1-2f0ab6da9645/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:55:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:43,565 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:43,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:45,719 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:47,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:47,515 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-24 22:55:47,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:47 BoogieIcfgContainer [2023-11-24 22:55:47,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:47,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:47,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:47,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:47,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:47" (1/1) ... [2023-11-24 22:55:47,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:47,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 338 states and 520 transitions. [2023-11-24 22:55:47,641 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 520 transitions. [2023-11-24 22:55:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:47,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,881 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 22:55:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 338 states and 518 transitions. [2023-11-24 22:55:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 518 transitions. [2023-11-24 22:55:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:47,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,075 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 22:55:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 340 states and 521 transitions. [2023-11-24 22:55:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 521 transitions. [2023-11-24 22:55:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:48,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:48,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,264 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 22:55:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 339 states and 516 transitions. [2023-11-24 22:55:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2023-11-24 22:55:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:55:48,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:48,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,407 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 22:55:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 339 states and 512 transitions. [2023-11-24 22:55:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 512 transitions. [2023-11-24 22:55:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:55:48,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:48,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,536 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 22:55:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 339 states and 506 transitions. [2023-11-24 22:55:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2023-11-24 22:55:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:55:48,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,777 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 22:55:58,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:55:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 339 states and 500 transitions. [2023-11-24 22:55:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 500 transitions. [2023-11-24 22:55:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:55:58,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:55:59,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:09,478 WARN L539 Checker$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 22:56:19,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:29,539 WARN L539 Checker$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 22:56:39,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:56:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 352 states and 515 transitions. [2023-11-24 22:56:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 515 transitions. [2023-11-24 22:56:39,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:39,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:39,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,004 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 22:56:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 352 states and 513 transitions. [2023-11-24 22:56:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 513 transitions. [2023-11-24 22:56:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:56:40,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,258 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 22:56:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 352 states and 511 transitions. [2023-11-24 22:56:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 511 transitions. [2023-11-24 22:56:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:56:40,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.