./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.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_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/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_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/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_8339ae84-54bc-47bc-ad34-bcc890ab452b/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 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:54,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:54,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:12:54,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:54,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:54,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:54,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:54,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:54,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:54,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:54,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:54,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:54,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:54,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:54,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:54,367 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:12:54,367 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:12:54,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:54,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:54,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:54,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:54,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:54,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:54,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:54,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:54,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:54,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:54,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:54,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:54,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:54,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:54,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:54,378 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_8339ae84-54bc-47bc-ad34-bcc890ab452b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2023-11-24 23:12:54,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:54,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:54,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:54,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:54,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:54,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i [2023-11-24 23:12:58,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:58,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:58,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i [2023-11-24 23:12:58,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/data/534e5fccc/1662b38d3dcc442f8ae23753072f08aa/FLAG230f7a528 [2023-11-24 23:12:58,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/data/534e5fccc/1662b38d3dcc442f8ae23753072f08aa [2023-11-24 23:12:58,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:58,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:58,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:58,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:58,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:58,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:58" (1/1) ... [2023-11-24 23:12:58,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6551e25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:58, skipping insertion in model container [2023-11-24 23:12:58,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:58" (1/1) ... [2023-11-24 23:12:58,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:59,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:59,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:59,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:59,661 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:59,669 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:59,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59 WrapperNode [2023-11-24 23:12:59,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:59,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:59,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:59,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:59,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,852 INFO L138 Inliner]: procedures = 177, calls = 282, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 1364 [2023-11-24 23:12:59,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:59,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:59,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:59,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:59,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:12:59,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:13:00,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:13:00,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:13:00,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:00,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:00,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:00,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:00,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:59" (1/1) ... [2023-11-24 23:13:00,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:00,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:00,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:00,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8339ae84-54bc-47bc-ad34-bcc890ab452b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:13:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:13:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:13:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:13:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:00,465 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:00,467 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:02,036 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:03,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:03,912 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 23:13:03,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:03 BoogieIcfgContainer [2023-11-24 23:13:03,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:03,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:03,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:03,927 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:03,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:03" (1/1) ... [2023-11-24 23:13:03,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:04,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 207 transitions. [2023-11-24 23:13:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2023-11-24 23:13:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:13:04,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:04,416 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 23:13:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2023-11-24 23:13:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-24 23:13:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:04,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:04,567 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 23:13:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2023-11-24 23:13:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2023-11-24 23:13:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:04,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:04,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:04,774 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 23:13:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 218 transitions. [2023-11-24 23:13:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2023-11-24 23:13:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:13:04,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,047 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 23:13:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 135 states and 226 transitions. [2023-11-24 23:13:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2023-11-24 23:13:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:13:05,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,365 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 23:13:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2023-11-24 23:13:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2023-11-24 23:13:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:13:05,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:05,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:05,526 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 23:13:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 219 transitions. [2023-11-24 23:13:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2023-11-24 23:13:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:13:05,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,589 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 23:13:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 134 states and 215 transitions. [2023-11-24 23:13:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 215 transitions. [2023-11-24 23:13:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:05,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:05,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:05,708 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 23:13:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2023-11-24 23:13:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-24 23:13:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:05,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,755 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 23:13:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 134 states and 209 transitions. [2023-11-24 23:13:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 209 transitions. [2023-11-24 23:13:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:05,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:05,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:05,884 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 23:13:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2023-11-24 23:13:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2023-11-24 23:13:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:05,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,956 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 23:13:15,990 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 23:13:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 134 states and 201 transitions. [2023-11-24 23:13:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-11-24 23:13:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:16,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:16,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:17,046 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 23:13:18,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 210 transitions. [2023-11-24 23:13:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2023-11-24 23:13:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:13:18,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:18,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:18,500 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 23:13:28,521 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 23:13:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 139 states and 204 transitions. [2023-11-24 23:13:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2023-11-24 23:13:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:13:28,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:28,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:29,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:13:29,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:29,142 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 23:13:39,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:13:49,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:13:59,296 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 []