./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3 --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 64bit --witnessprinter.graph.data.programhash a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:10:44,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:10:44,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 03:10:44,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:10:44,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:10:44,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:10:44,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:10:44,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:10:44,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:10:44,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:10:44,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:10:44,546 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 03:10:44,546 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 03:10:44,546 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 03:10:44,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:10:44,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:10:44,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:10:44,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:10:44,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:10:44,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:10:44,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:10:44,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:10:44,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:44,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:10:44,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:10:44,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:10:44,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:10:44,549 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_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c [2024-11-25 03:10:44,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:10:44,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:10:44,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:10:44,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:10:44,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:10:44,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2024-11-25 03:10:48,294 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/data/69429e4bd/dff6d47d5d7841de81b96c4f4519ab35/FLAG5e7a03441 [2024-11-25 03:10:48,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:10:48,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2024-11-25 03:10:48,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/data/69429e4bd/dff6d47d5d7841de81b96c4f4519ab35/FLAG5e7a03441 [2024-11-25 03:10:48,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/data/69429e4bd/dff6d47d5d7841de81b96c4f4519ab35 [2024-11-25 03:10:48,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:10:48,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:10:48,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:48,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:10:48,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:10:48,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7137a030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48, skipping insertion in model container [2024-11-25 03:10:48,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:10:48,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:48,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:10:48,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:48,761 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:10:48,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48 WrapperNode [2024-11-25 03:10:48,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:48,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:48,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:10:48,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:10:48,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,799 INFO L138 Inliner]: procedures = 8, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-25 03:10:48,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:48,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:10:48,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:10:48,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:10:48,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:10:48,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:10:48,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:10:48,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:10:48,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:48" (1/1) ... [2024-11-25 03:10:48,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:10:48,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:10:48,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:10:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:10:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:10:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:10:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:10:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:10:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:10:48,978 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:10:48,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:10:49,160 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 03:10:49,160 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:10:49,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:10:49,206 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:10:49,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:49 BoogieIcfgContainer [2024-11-25 03:10:49,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:10:49,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:10:49,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:10:49,220 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:10:49,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:49" (1/1) ... [2024-11-25 03:10:49,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:10:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 03:10:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 03:10:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:10:49,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:49,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:10:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:10:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:10:49,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 03:10:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 03:10:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:10:49,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:49,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:10:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:10:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:10:50,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:50,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 03:10:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:10:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:10:51,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:51,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-25 03:10:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-25 03:10:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:10:51,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 03:10:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 03:10:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:10:53,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:53,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:10:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 03:10:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 03:10:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:10:53,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:10:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-25 03:10:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 03:10:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:10:54,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:10:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-25 03:10:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-25 03:10:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:10:54,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:54,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-25 03:10:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-25 03:10:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:10:55,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2024-11-25 03:10:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-25 03:10:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:10:56,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2024-11-25 03:10:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-25 03:10:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:10:56,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-25 03:10:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-25 03:10:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 03:10:57,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2024-11-25 03:10:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2024-11-25 03:10:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:10:58,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2024-11-25 03:10:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-25 03:10:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:10:59,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:59,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:11:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2024-11-25 03:11:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-25 03:11:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:11:00,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:00,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 03:11:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2024-11-25 03:11:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-25 03:11:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:11:05,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:05,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-25 03:11:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-11-25 03:11:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-25 03:11:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:11:05,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 03:11:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2024-11-25 03:11:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-25 03:11:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:11:07,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 03:11:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-11-25 03:11:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-25 03:11:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:11:07,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-25 03:11:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2024-11-25 03:11:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2024-11-25 03:11:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:11:10,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:10,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-25 03:11:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2024-11-25 03:11:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-25 03:11:11,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:11:11,690 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2024-11-25 03:11:11,700 INFO L726 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2024-11-25 03:11:12,725 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,725 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,725 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 9 22) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 03:11:12,725 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,725 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,725 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:11:12,726 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,726 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (let ((.cse0 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (and (or (not |ULTIMATE.start_main_#t~short4#1|) (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ (* |ULTIMATE.start_main_~i~0#1| 4) 4) .cse0))) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (<= 40 .cse0))) [2024-11-25 03:11:12,726 INFO L77 FloydHoareUtils]: At program point L17-2(line 17) the Hoare annotation is: (let ((.cse0 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ (* |ULTIMATE.start_main_~i~0#1| 4) 4) .cse0) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (<= 40 .cse0))) [2024-11-25 03:11:12,726 INFO L77 FloydHoareUtils]: At program point L17-5(lines 17 20) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)))) (or (and (not |ULTIMATE.start_main_#t~short4#1|) .cse0) (let ((.cse1 (* |ULTIMATE.start_main_~i~0#1| 4)) (.cse2 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (and (<= (+ |ULTIMATE.start_main_~#a~0#1.offset| .cse1 4) .cse2) (<= 0 (+ |ULTIMATE.start_main_~#a~0#1.offset| .cse1)) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) .cse0 (<= 40 .cse2))))) [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point L17-6(lines 17 20) the Hoare annotation is: (let ((.cse0 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ (* |ULTIMATE.start_main_~i~0#1| 4) 4) .cse0) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (<= 40 .cse0))) [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point L13-3(lines 13 15) the Hoare annotation is: (let ((.cse0 (= 40 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1)) (.cse3 (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)))) (or (and .cse0 (= |ULTIMATE.start_main_~n~0#1| 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse1 .cse2 .cse3))) [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point L17-8(lines 17 20) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (<= 40 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point L17-9(lines 17 20) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) [2024-11-25 03:11:12,727 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 03:11:12,727 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (let ((.cse4 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|))) (let ((.cse0 (= 40 .cse4)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1)) (.cse3 (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| 1)) (and (<= (+ 32 (* |ULTIMATE.start_main_~n~0#1| 4)) .cse4) .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~n~0#1|)) (and (< 4 |ULTIMATE.start_main_~n~0#1|) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| 5)) (and .cse0 (= |ULTIMATE.start_main_~n~0#1| 0) .cse1 .cse2 .cse3) (and (<= 3 |ULTIMATE.start_main_~n~0#1|) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| 3)) (and (< 6 |ULTIMATE.start_main_~n~0#1|) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| 7)) (and .cse0 (< 8 |ULTIMATE.start_main_~n~0#1|) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| 9)) (and .cse0 (<= |ULTIMATE.start_main_~n~0#1| 4) (< 3 |ULTIMATE.start_main_~n~0#1|) .cse1 .cse2 .cse3) (and (<= |ULTIMATE.start_main_~n~0#1| 6) .cse0 .cse1 .cse2 .cse3 (< 5 |ULTIMATE.start_main_~n~0#1|)) (and (< 7 |ULTIMATE.start_main_~n~0#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~n~0#1| 8) .cse3)))) [2024-11-25 03:11:12,728 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK(lines 9 22) no Hoare annotation was computed. [2024-11-25 03:11:12,737 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 03:11:12,738 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 03:11:12,740 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-11-25 03:11:12,741 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 03:11:12,742 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-25 03:11:12,742 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 03:11:12,743 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-25 03:11:12,743 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 03:11:12,743 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-25 03:11:12,744 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 03:11:12,745 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-25 03:11:12,745 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 03:11:12,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-25 03:11:12,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:11:12 ImpRootNode [2024-11-25 03:11:12,750 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:11:12,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:11:12,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:11:12,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:11:12,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:49" (3/4) ... [2024-11-25 03:11:12,755 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:11:12,762 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-25 03:11:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:11:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:11:12,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:11:12,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:11:12,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:11:12,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:11:12,853 INFO L158 Benchmark]: Toolchain (without parser) took 24286.06ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 93.7MB in the beginning and 76.6MB in the end (delta: 17.1MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-25 03:11:12,854 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:12,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.45ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:11:12,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.52ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:12,856 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 758.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:12,856 INFO L158 Benchmark]: RCFGBuilder took 369.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 69.1MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:11:12,857 INFO L158 Benchmark]: CodeCheck took 23543.51ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 68.9MB in the beginning and 79.6MB in the end (delta: -10.7MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-25 03:11:12,858 INFO L158 Benchmark]: Witness Printer took 101.28ms. Allocated memory is still 176.2MB. Free memory was 79.6MB in the beginning and 76.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:12,859 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, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1335 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 904 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 1091 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3758 IncrementalHoareTripleChecker+Invalid, 4849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1091 mSolverCounterUnsat, 240 mSDtfsCounter, 3758 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2744 GetRequests, 2398 SyntacticMatches, 110 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23123 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 1714 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 637/934 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: 9]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((n == 0) || (1 <= n)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.45ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.52ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 758.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 69.1MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 23543.51ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 68.9MB in the beginning and 79.6MB in the end (delta: -10.7MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 101.28ms. Allocated memory is still 176.2MB. Free memory was 79.6MB in the beginning and 76.6MB in the end (delta: 3.0MB). There was no memory consumed. 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: ~#a~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: Expression type not yet supported in backtranslation: ArrayStoreExpression - 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#a~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: Expression type not yet supported in backtranslation: ArrayStoreExpression - 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: ~#a~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: Expression type not yet supported in backtranslation: ArrayStoreExpression RESULT: Ultimate proved your program to be correct! [2024-11-25 03:11:12,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57df0692-de46-42f3-9a8a-b2dcbe7b2b7c/bin/ukojak-verify-ENZ3QT5qd3/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