./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/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_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/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_108671cf-48a6-4b04-be7c-ccae1065aa77/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 f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:09,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:09,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:03:09,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:09,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:09,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:09,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:09,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:09,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:09,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:09,891 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:09,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:09,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:09,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:09,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:09,896 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:03:09,897 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:03:09,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:09,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:09,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:09,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:09,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:09,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:09,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:09,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:09,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:09,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:09,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:09,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:09,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:09,907 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:09,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:09,908 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_108671cf-48a6-4b04-be7c-ccae1065aa77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-24 23:03:10,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:10,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:10,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:10,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:10,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:10,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-24 23:03:13,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:13,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:13,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-24 23:03:14,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/data/29678dcef/92b9e3d41414463495a5e770eac4afa8/FLAG259ee9481 [2023-11-24 23:03:14,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/data/29678dcef/92b9e3d41414463495a5e770eac4afa8 [2023-11-24 23:03:14,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:14,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:14,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:14,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:14,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:14,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:14" (1/1) ... [2023-11-24 23:03:14,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a3e704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:14, skipping insertion in model container [2023-11-24 23:03:14,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:14" (1/1) ... [2023-11-24 23:03:14,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:15,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:15,149 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:15,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:15,443 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:15,450 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:15,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15 WrapperNode [2023-11-24 23:03:15,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:15,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:15,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:15,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:15,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,771 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6205 [2023-11-24 23:03:15,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:15,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:15,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:15,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:15,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:15,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:16,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:16,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:16,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:16,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:16,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:16,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:16,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:16,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:15" (1/1) ... [2023-11-24 23:03:16,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:16,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:16,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108671cf-48a6-4b04-be7c-ccae1065aa77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:03:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:03:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:03:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:03:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:03:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:03:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:16,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:16,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:21,899 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:24,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:24,573 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-24 23:03:24,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:24 BoogieIcfgContainer [2023-11-24 23:03:24,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:24,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:24,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:24,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:24,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:24" (1/1) ... [2023-11-24 23:03:24,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 3598 states and 5169 transitions. [2023-11-24 23:03:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5169 transitions. [2023-11-24 23:03:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:24,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:24,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,018 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 23:03:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3598 states and 5167 transitions. [2023-11-24 23:03:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 5167 transitions. [2023-11-24 23:03:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:25,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,314 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 23:03:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 3600 states and 5170 transitions. [2023-11-24 23:03:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5170 transitions. [2023-11-24 23:03:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:03:25,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:25,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:25,511 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 23:03:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 3600 states and 5168 transitions. [2023-11-24 23:03:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5168 transitions. [2023-11-24 23:03:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:25,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:25,635 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 23:03:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5164 states to 3600 states and 5164 transitions. [2023-11-24 23:03:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5164 transitions. [2023-11-24 23:03:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:25,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:25,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:25,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:25,783 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 23:03:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 3600 states and 5158 transitions. [2023-11-24 23:03:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5158 transitions. [2023-11-24 23:03:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:25,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:26,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:26,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:26,075 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 23:03:36,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:03:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 3600 states and 5152 transitions. [2023-11-24 23:03:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5152 transitions. [2023-11-24 23:03:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:03:36,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:36,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:46,963 WARN L539 Checker$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 23:03:56,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:07,031 WARN L539 Checker$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 23:04:17,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 3613 states and 5167 transitions. [2023-11-24 23:04:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5167 transitions. [2023-11-24 23:04:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:04:17,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:17,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:17,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:17,360 INFO L285 TraceCheckSpWp]: Computing forward predicates...