./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.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_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/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_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/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_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/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 ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:50,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:50,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:36:50,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:50,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:50,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:50,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:50,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:50,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:50,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:50,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:36:50,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:50,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:36:50,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:50,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:50,806 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:36:50,810 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:36:50,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:50,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:50,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:50,812 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:36:50,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:50,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:50,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:50,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:50,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:50,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:50,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:50,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:50,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:50,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:50,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:50,828 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_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2023-11-19 03:36:51,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:51,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:51,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:51,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:51,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:51,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2023-11-19 03:36:54,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:55,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:55,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2023-11-19 03:36:55,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/data/96d3a6b7b/af5ac631ea854bd5aef4e4ef55b15486/FLAGa0e8fabe5 [2023-11-19 03:36:55,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/data/96d3a6b7b/af5ac631ea854bd5aef4e4ef55b15486 [2023-11-19 03:36:55,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:55,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:55,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:55,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:55,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:55,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:55" (1/1) ... [2023-11-19 03:36:55,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a949b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:55, skipping insertion in model container [2023-11-19 03:36:55,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:55" (1/1) ... [2023-11-19 03:36:55,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:55,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:55,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:56,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:56,195 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:56,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56 WrapperNode [2023-11-19 03:36:56,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:56,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:56,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:56,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:56,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,401 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 865 [2023-11-19 03:36:56,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:56,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:56,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:56,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:56,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:56,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:56,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:56,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:56,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:56" (1/1) ... [2023-11-19 03:36:56,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:56,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:56,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:56,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e68e91f-72bd-47f1-a5ad-e41b20ca11c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:36:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:36:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:36:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:36:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:36:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:36:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:36:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:36:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:56,822 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:56,825 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:58,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:59,508 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:59,509 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:36:59,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:59 BoogieIcfgContainer [2023-11-19 03:36:59,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:59,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:59,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:59,536 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:59,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:59" (1/1) ... [2023-11-19 03:36:59,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-19 03:36:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-19 03:36:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:36:59,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:59,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:59,909 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 03:36:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-19 03:36:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-19 03:36:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:36:59,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:00,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:00,069 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 03:37:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 126 states and 194 transitions. [2023-11-19 03:37:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 194 transitions. [2023-11-19 03:37:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:37:00,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:00,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:00,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:00,195 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 03:37:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2023-11-19 03:37:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-19 03:37:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:37:00,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:00,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:00,303 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 03:37:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 184 transitions. [2023-11-19 03:37:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2023-11-19 03:37:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:37:00,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:00,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:00,510 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 03:37:10,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2023-11-19 03:37:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-19 03:37:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:37:10,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:10,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:10,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:37:10,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:21,065 WARN L539 Checker$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 03:37:25,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 153 states and 210 transitions. [2023-11-19 03:37:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2023-11-19 03:37:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:37:25,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:25,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:25,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:25,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:25,586 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 03:37:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 153 states and 208 transitions. [2023-11-19 03:37:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 208 transitions. [2023-11-19 03:37:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:37:25,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:25,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:25,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:25,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:25,826 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 03:37:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 153 states and 206 transitions. [2023-11-19 03:37:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2023-11-19 03:37:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:37:25,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:26,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:26,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:36,108 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 03:37:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 153 states and 204 transitions. [2023-11-19 03:37:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 204 transitions. [2023-11-19 03:37:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:37:36,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:36,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:36,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:36,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:36,385 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 03:37:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 202 transitions. [2023-11-19 03:37:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2023-11-19 03:37:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:37:36,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:36,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:36,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:37:36,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:37:46,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:56,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []