./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.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_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/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_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/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_83c0f3ca-54f1-46af-9221-15e447095594/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:26,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:26,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 23:12:26,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:26,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:26,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:26,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:26,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:26,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:26,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:26,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:26,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:26,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:26,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:26,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:26,400 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:12:26,400 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:12:26,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:26,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:26,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:26,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:26,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:26,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:26,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:26,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:26,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:26,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:26,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:26,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:26,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:26,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:26,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:26,411 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_83c0f3ca-54f1-46af-9221-15e447095594/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2023-11-24 23:12:26,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:26,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:26,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:26,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:26,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:26,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-11-24 23:12:30,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:30,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:30,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-11-24 23:12:30,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/data/b7366bd91/c77bd50e216c46b8a7f0a1ac34d7ba65/FLAG6644cb253 [2023-11-24 23:12:30,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/data/b7366bd91/c77bd50e216c46b8a7f0a1ac34d7ba65 [2023-11-24 23:12:30,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:30,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:30,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:30,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:30,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:30,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:30" (1/1) ... [2023-11-24 23:12:30,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8e1ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:30, skipping insertion in model container [2023-11-24 23:12:30,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:30" (1/1) ... [2023-11-24 23:12:30,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:31,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:31,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:32,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:32,193 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:32,203 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:32,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32 WrapperNode [2023-11-24 23:12:32,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:32,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:32,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:32,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:32,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,407 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-11-24 23:12:32,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:32,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:32,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:32,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:32,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:32,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:32,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:32,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:32,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:32" (1/1) ... [2023-11-24 23:12:32,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:32,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:32,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83c0f3ca-54f1-46af-9221-15e447095594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:12:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:12:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:12:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:12:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:33,086 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:33,089 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:35,268 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:37,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:37,562 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:12:37,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:37 BoogieIcfgContainer [2023-11-24 23:12:37,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:37,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:37,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:37,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:37,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:37" (1/1) ... [2023-11-24 23:12:37,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-11-24 23:12:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-11-24 23:12:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:37,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,064 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 23:12:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-11-24 23:12:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-11-24 23:12:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:38,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,463 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 23:12:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-11-24 23:12:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-11-24 23:12:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:38,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:38,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:38,682 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 23:12:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-11-24 23:12:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-11-24 23:12:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:12:38,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:38,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:38,854 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 23:12:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-11-24 23:12:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-11-24 23:12:38,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:12:38,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,014 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 23:12:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-11-24 23:12:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-11-24 23:12:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:12:39,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,309 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 23:12:49,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-11-24 23:12:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-11-24 23:12:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:12:49,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:49,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:49,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:00,143 WARN L539 Checker$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 23:13:10,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:13:20,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:13:30,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:13:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2023-11-24 23:13:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2023-11-24 23:13:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:13:30,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:30,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:30,559 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 23:13:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-24 23:13:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-24 23:13:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:13:30,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:30,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:30,891 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 23:13:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-24 23:13:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-24 23:13:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:13:30,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:31,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:31,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.