./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.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_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/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_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/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_14f97916-743a-4e12-b96f-855df9d9ae8b/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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:12,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:12,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:19:12,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:12,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:12,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:12,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:12,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:12,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:12,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:12,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:12,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:12,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:12,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:12,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:12,306 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:12,307 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:12,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:12,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:12,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:12,320 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:12,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:12,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:12,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:12,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:12,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:12,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:12,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:12,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:12,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:12,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:12,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:12,328 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_14f97916-743a-4e12-b96f-855df9d9ae8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2023-11-24 22:19:12,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:12,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:12,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:12,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:12,715 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:12,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-24 22:19:15,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:16,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:16,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-24 22:19:16,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/data/1c47772cb/84ba1353351947e7b6a6b9468985d18e/FLAG55f7bdae1 [2023-11-24 22:19:16,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/data/1c47772cb/84ba1353351947e7b6a6b9468985d18e [2023-11-24 22:19:16,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:16,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:16,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:16,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:16,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:16,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c48ff86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16, skipping insertion in model container [2023-11-24 22:19:16,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:16,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:16,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:17,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:17,096 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:17,104 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:17,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17 WrapperNode [2023-11-24 22:19:17,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:17,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:17,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:17,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,262 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1255 [2023-11-24 22:19:17,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:17,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:17,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:17,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:17,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:17,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:17,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:17,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f97916-743a-4e12-b96f-855df9d9ae8b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:19:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:17,768 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:17,779 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:21,167 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:22,825 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:22,826 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-24 22:19:22,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22 BoogieIcfgContainer [2023-11-24 22:19:22,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:22,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:22,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:22,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:22,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-11-24 22:19:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-11-24 22:19:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:22,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,152 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 22:19:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-24 22:19:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-24 22:19:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:23,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,381 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 22:19:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-11-24 22:19:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-24 22:19:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:19:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,588 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 22:19:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-24 22:19:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-24 22:19:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:23,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,751 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 22:19:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-11-24 22:19:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-11-24 22:19:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:19:23,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,945 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 22:19:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-11-24 22:19:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-11-24 22:19:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:19:23,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,158 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 22:19:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2023-11-24 22:19:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2023-11-24 22:19:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:19:34,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:34,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:34,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:19:34,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:44,929 WARN L539 Checker$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 22:19:54,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:20:04,987 WARN L539 Checker$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 22:20:15,077 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 22:20:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2023-11-24 22:20:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2023-11-24 22:20:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:20:15,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:15,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:20:15,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:15,360 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 22:20:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2023-11-24 22:20:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2023-11-24 22:20:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:20:15,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:15,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:20:15,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:15,584 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 22:20:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-11-24 22:20:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-11-24 22:20:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:20:15,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:15,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:20:15,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.