./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.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_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/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_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/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_6e3e69cf-24bc-44c2-92be-66856158fdf9/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 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:42,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:42,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:11:42,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:42,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:42,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:42,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:42,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:42,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:42,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:42,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:42,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:42,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:42,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:42,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:42,363 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:11:42,364 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:11:42,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:42,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:42,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:42,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:42,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:42,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:42,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:42,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:42,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:42,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:42,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:42,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:42,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:42,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:42,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:42,374 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_6e3e69cf-24bc-44c2-92be-66856158fdf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2023-11-24 22:11:42,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:42,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:42,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:42,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:42,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:42,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2023-11-24 22:11:45,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:46,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:46,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2023-11-24 22:11:46,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/data/da1e980f9/b33e3772195e447db3e0b86e2114e286/FLAG09a4b7927 [2023-11-24 22:11:46,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/data/da1e980f9/b33e3772195e447db3e0b86e2114e286 [2023-11-24 22:11:46,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:46,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:46,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:46,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:46,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:46,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:46" (1/1) ... [2023-11-24 22:11:46,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fad693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:46, skipping insertion in model container [2023-11-24 22:11:46,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:46" (1/1) ... [2023-11-24 22:11:46,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:47,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:47,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:47,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:47,734 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:47,741 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:47,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47 WrapperNode [2023-11-24 22:11:47,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:47,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:47,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:47,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:47,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:47,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,046 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6370 [2023-11-24 22:11:48,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:48,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:48,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:48,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:48,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:48,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:48,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:48,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:48,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:47" (1/1) ... [2023-11-24 22:11:48,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:48,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:48,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:48,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3e69cf-24bc-44c2-92be-66856158fdf9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:11:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:11:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:11:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:48,863 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:48,866 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:53,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:56,206 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:56,207 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:11:56,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:56 BoogieIcfgContainer [2023-11-24 22:11:56,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:56,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:56,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:56,222 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:56,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:56" (1/1) ... [2023-11-24 22:11:56,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-11-24 22:11:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-11-24 22:11:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:56,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:56,599 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 22:11:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-11-24 22:11:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-11-24 22:11:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:11:56,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:56,836 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 22:11:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-11-24 22:11:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-11-24 22:11:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:11:56,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:57,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:57,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:57,091 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 22:11:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-11-24 22:11:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-11-24 22:11:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:11:57,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:57,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:57,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:57,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:57,250 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 22:11:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-11-24 22:11:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-11-24 22:11:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:11:57,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:57,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:57,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:57,442 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 22:11:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-11-24 22:11:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-11-24 22:11:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:11:57,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:57,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:57,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:57,696 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 22:12:07,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:12:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 3615 states and 5178 transitions. [2023-11-24 22:12:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5178 transitions. [2023-11-24 22:12:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:12:07,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:07,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:08,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:12:08,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:18,467 WARN L539 Checker$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 22:12:28,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:12:38,536 WARN L539 Checker$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 22:12:48,575 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 22:12:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3628 states and 5193 transitions. [2023-11-24 22:12:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5193 transitions. [2023-11-24 22:12:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:12:48,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,870 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 22:12:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-11-24 22:12:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-11-24 22:12:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:48,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:49,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:49,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:49,131 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 22:12:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-11-24 22:12:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-11-24 22:12:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:12:49,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:49,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:49,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:49,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.