./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/nec40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8ae9bcd5a551c2558190e4ca1b7d8543f9adf38b9d950429bd2292753c8e588 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:00:01,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:00:01,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:00:01,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:00:01,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:00:01,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:00:01,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:00:01,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:00:01,506 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:00:01,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:00:01,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:00:01,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:01,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:00:01,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> a8ae9bcd5a551c2558190e4ca1b7d8543f9adf38b9d950429bd2292753c8e588 [2024-12-05 22:00:01,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:00:01,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:00:01,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:00:01,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:00:01,733 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:00:01,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/nec40.c [2024-12-05 22:00:04,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/data/2ee23aa05/f41b1d3ce5154df5aa2c450961c3b233/FLAG5573f7d07 [2024-12-05 22:00:04,515 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:00:04,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/sv-benchmarks/c/loops/nec40.c [2024-12-05 22:00:04,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/data/2ee23aa05/f41b1d3ce5154df5aa2c450961c3b233/FLAG5573f7d07 [2024-12-05 22:00:04,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/data/2ee23aa05/f41b1d3ce5154df5aa2c450961c3b233 [2024-12-05 22:00:04,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:00:04,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:00:04,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:04,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:00:04,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:00:04,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:04" (1/1) ... [2024-12-05 22:00:04,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6febcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:04, skipping insertion in model container [2024-12-05 22:00:04,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:04" (1/1) ... [2024-12-05 22:00:04,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:00:05,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:05,061 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:00:05,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:05,101 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:00:05,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05 WrapperNode [2024-12-05 22:00:05,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:05,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:05,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:00:05,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:00:05,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,145 INFO L138 Inliner]: procedures = 13, calls = 224, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 257 [2024-12-05 22:00:05,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:05,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:00:05,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:00:05,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:00:05,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:00:05,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:00:05,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:00:05,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:00:05,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:00:05,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:00:05,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:00:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:00:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:00:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:00:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:00:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:00:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:00:05,281 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:00:05,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:00:05,537 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:00:05,537 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:00:05,583 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:00:05,583 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:00:05,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:05 BoogieIcfgContainer [2024-12-05 22:00:05,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:00:05,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:00:05,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:00:05,594 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:00:05,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:05" (1/1) ... [2024-12-05 22:00:05,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:00:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-12-05 22:00:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-05 22:00:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:00:05,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2024-12-05 22:00:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-12-05 22:00:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:00:06,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-12-05 22:00:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-12-05 22:00:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:06,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:06,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-12-05 22:00:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-12-05 22:00:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:06,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-05 22:00:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-05 22:00:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:06,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-12-05 22:00:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-12-05 22:00:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:06,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2024-12-05 22:00:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2024-12-05 22:00:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:00:07,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:07,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-12-05 22:00:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-12-05 22:00:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:00:07,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-12-05 22:00:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-12-05 22:00:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:00:07,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:07,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-12-05 22:00:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-05 22:00:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:00:08,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-12-05 22:00:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-05 22:00:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:00:08,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:08,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2024-12-05 22:00:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2024-12-05 22:00:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:00:09,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:09,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2024-12-05 22:00:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-12-05 22:00:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:00:09,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-05 22:00:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-05 22:00:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:00:09,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:09,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2024-12-05 22:00:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2024-12-05 22:00:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:00:10,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:10,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2024-12-05 22:00:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2024-12-05 22:00:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:00:10,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:10,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2024-12-05 22:00:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2024-12-05 22:00:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:00:10,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2024-12-05 22:00:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-12-05 22:00:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:00:11,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-12-05 22:00:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-12-05 22:00:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:00:12,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 58 states and 124 transitions. [2024-12-05 22:00:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 124 transitions. [2024-12-05 22:00:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:00:12,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 126 transitions. [2024-12-05 22:00:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 126 transitions. [2024-12-05 22:00:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:00:12,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:12,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 62 states and 133 transitions. [2024-12-05 22:00:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2024-12-05 22:00:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:12,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:12,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 66 states and 149 transitions. [2024-12-05 22:00:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 149 transitions. [2024-12-05 22:00:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:13,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 154 transitions. [2024-12-05 22:00:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 154 transitions. [2024-12-05 22:00:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:13,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:13,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:00:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 69 states and 153 transitions. [2024-12-05 22:00:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 153 transitions. [2024-12-05 22:00:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:13,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 70 states and 162 transitions. [2024-12-05 22:00:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 162 transitions. [2024-12-05 22:00:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:14,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 75 states and 179 transitions. [2024-12-05 22:00:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 179 transitions. [2024-12-05 22:00:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:15,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:00:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 75 states and 178 transitions. [2024-12-05 22:00:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 178 transitions. [2024-12-05 22:00:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:15,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 77 states and 182 transitions. [2024-12-05 22:00:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 182 transitions. [2024-12-05 22:00:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:00:16,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 78 states and 184 transitions. [2024-12-05 22:00:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 184 transitions. [2024-12-05 22:00:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:00:16,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:16,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:00:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 83 states and 196 transitions. [2024-12-05 22:00:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 196 transitions. [2024-12-05 22:00:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:00:17,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:17,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:00:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 87 states and 206 transitions. [2024-12-05 22:00:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 206 transitions. [2024-12-05 22:00:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:00:18,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:18,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 90 states and 220 transitions. [2024-12-05 22:00:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 220 transitions. [2024-12-05 22:00:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:00:19,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:00:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 90 states and 219 transitions. [2024-12-05 22:00:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 219 transitions. [2024-12-05 22:00:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:00:20,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:20,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 92 states and 230 transitions. [2024-12-05 22:00:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 230 transitions. [2024-12-05 22:00:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:00:20,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:20,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 93 states and 230 transitions. [2024-12-05 22:00:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 230 transitions. [2024-12-05 22:00:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:00:21,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:21,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:00:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 93 states and 229 transitions. [2024-12-05 22:00:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 229 transitions. [2024-12-05 22:00:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:00:21,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 95 states and 238 transitions. [2024-12-05 22:00:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 238 transitions. [2024-12-05 22:00:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:00:21,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 97 states and 247 transitions. [2024-12-05 22:00:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 247 transitions. [2024-12-05 22:00:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:00:21,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-05 22:00:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-05 22:00:22,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:00:22,884 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2024-12-05 22:00:22,892 INFO L726 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point L27(line 27) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point L27-1(lines 27 28) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 16 31) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-12-05 22:00:22,937 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,938 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,938 INFO L77 FloydHoareUtils]: At program point L24(lines 16 31) the Hoare annotation is: (and (= 1 (select |#valid| |~#y~0.base|)) (= ~i~0 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) [2024-12-05 22:00:22,938 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,938 INFO L77 FloydHoareUtils]: At program point L20-1(lines 20 23) the Hoare annotation is: (and (= 1 (select |#valid| |~#y~0.base|)) (= |~#y~0.offset| 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#t~mem5#1| 0) (= ~i~0 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#length| |~#x~0.base|) 100) (= (select |#valid| |~#x~0.base|) 1) (= |~#x~0.offset| 0) (= (select |#length| |~#y~0.base|) 100)) [2024-12-05 22:00:22,938 INFO L75 FloydHoareUtils]: For program point L20-2(lines 20 23) no Hoare annotation was computed. [2024-12-05 22:00:22,938 INFO L77 FloydHoareUtils]: At program point L20-4(lines 20 23) the Hoare annotation is: (and (= 1 (select |#valid| |~#y~0.base|)) (= |~#y~0.offset| 0) (= 1 (select |#valid| 5)) (= ~i~0 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select (select |#memory_int| |~#x~0.base|) 0) 0) (= (select |#length| |~#x~0.base|) 100) (= (select |#valid| |~#x~0.base|) 1) (= |~#x~0.offset| 0) (= (select |#valid| 4) 1) (= (select |#length| |~#y~0.base|) 100)) [2024-12-05 22:00:22,939 INFO L77 FloydHoareUtils]: At program point L20-5(lines 20 23) the Hoare annotation is: (and (= 1 (select |#valid| |~#y~0.base|)) (= |~#y~0.offset| 0) (= 1 (select |#valid| 5)) (= ~i~0 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#length| |~#y~0.base|) 100)) [2024-12-05 22:00:22,939 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:00:22,939 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK(lines 16 31) no Hoare annotation was computed. [2024-12-05 22:00:22,939 INFO L75 FloydHoareUtils]: For program point L21(line 21) no Hoare annotation was computed. [2024-12-05 22:00:22,939 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,939 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,939 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:00:22,939 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-12-05 22:00:22,940 INFO L77 FloydHoareUtils]: At program point L26(lines 26 28) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-05 22:00:22,940 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,940 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 22:00:22,940 INFO L75 FloydHoareUtils]: For program point L6(lines 6 8) no Hoare annotation was computed. [2024-12-05 22:00:22,940 INFO L75 FloydHoareUtils]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2024-12-05 22:00:22,946 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-05 22:00:22,946 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#y~0!offset [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-05 22:00:22,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,GLOBAL]]] [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#x~0!offset [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-05 22:00:22,950 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-05 22:00:22,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:00:22 ImpRootNode [2024-12-05 22:00:22,952 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:00:22,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:00:22,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:00:22,952 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:00:22,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:05" (3/4) ... [2024-12-05 22:00:22,954 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:00:22,959 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-12-05 22:00:22,959 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 22:00:22,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:00:22,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:00:22,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:00:23,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:00:23,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:00:23,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:00:23,030 INFO L158 Benchmark]: Toolchain (without parser) took 18120.90ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 117.1MB in the beginning and 318.7MB in the end (delta: -201.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-12-05 22:00:23,031 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:00:23,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.97ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:00:23,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:00:23,032 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:00:23,032 INFO L158 Benchmark]: RCFGBuilder took 405.70ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 69.1MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:00:23,032 INFO L158 Benchmark]: CodeCheck took 17367.45ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 69.1MB in the beginning and 322.8MB in the end (delta: -253.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:00:23,032 INFO L158 Benchmark]: Witness Printer took 77.18ms. Allocated memory is still 377.5MB. Free memory was 322.8MB in the beginning and 318.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:00:23,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 27 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4130 SdHoareTripleChecker+Valid, 18.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3805 mSDsluCounter, 3974 SdHoareTripleChecker+Invalid, 16.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3517 mSDsCounter, 2167 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11954 IncrementalHoareTripleChecker+Invalid, 14121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2167 mSolverCounterUnsat, 457 mSDtfsCounter, 11954 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3401 GetRequests, 3019 SyntacticMatches, 114 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34319 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 2375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 22 PerfectInterpolantSequences, 43/129 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.97ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.70ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 69.1MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 17367.45ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 69.1MB in the beginning and 322.8MB in the end (delta: -253.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.18ms. Allocated memory is still 377.5MB. Free memory was 322.8MB in the beginning and 318.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#y~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#x~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] RESULT: Ultimate proved your program to be correct! [2024-12-05 22:00:23,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f4d955-37cc-4e94-a734-b3e959e8ae98/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE