./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/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_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 383b4a741115f7461f3219e8b6813a438e778f299f3d0f3c72277e19fd6c8f24 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:27:06,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:27:06,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:27:06,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:27:06,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:27:06,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:27:06,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:27:06,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:27:06,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:27:06,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:27:06,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:27:06,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:27:06,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:27:06,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:06,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:27:06,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:27:06,908 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_dabacb11-6627-422c-8486-987e7cb4c4ac/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 ! overflow) ) 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 -> 383b4a741115f7461f3219e8b6813a438e778f299f3d0f3c72277e19fd6c8f24 [2024-12-06 02:27:07,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:27:07,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:27:07,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:27:07,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:27:07,139 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:27:07,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2024-12-06 02:27:09,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/data/43f250f6b/f5d9dcb4e2804bf3b902d56c3c323886/FLAGc83dd7019 [2024-12-06 02:27:10,017 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:27:10,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2024-12-06 02:27:10,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/data/43f250f6b/f5d9dcb4e2804bf3b902d56c3c323886/FLAGc83dd7019 [2024-12-06 02:27:10,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/data/43f250f6b/f5d9dcb4e2804bf3b902d56c3c323886 [2024-12-06 02:27:10,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:27:10,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:27:10,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:10,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:27:10,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:27:10,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc5ea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10, skipping insertion in model container [2024-12-06 02:27:10,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:27:10,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:10,322 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:27:10,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:10,378 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:27:10,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10 WrapperNode [2024-12-06 02:27:10,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:10,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:10,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:27:10,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:27:10,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,412 INFO L138 Inliner]: procedures = 113, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2024-12-06 02:27:10,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:10,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:27:10,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:27:10,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:27:10,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:27:10,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:27:10,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:27:10,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:27:10,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:27:10,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:27:10,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:27:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:27:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:27:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:27:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:27:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:27:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:27:10,573 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:27:10,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:27:10,738 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 02:27:10,739 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:27:10,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:27:10,775 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 02:27:10,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:10 BoogieIcfgContainer [2024-12-06 02:27:10,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:27:10,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:27:10,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:27:10,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:27:10,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:10" (1/1) ... [2024-12-06 02:27:10,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:27:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2024-12-06 02:27:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-12-06 02:27:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:27:10,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:10,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-12-06 02:27:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-12-06 02:27:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:27:11,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2024-12-06 02:27:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2024-12-06 02:27:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:27:11,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:11,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 02:27:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 02:27:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:27:11,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-12-06 02:27:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-12-06 02:27:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:27:11,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-06 02:27:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 02:27:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:27:11,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:11,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:27:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 02:27:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 02:27:11,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:27:11,716 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 02:27:11,724 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-12-06 02:27:11,759 INFO L77 FloydHoareUtils]: At program point cstrncmp_returnLabel#1(lines 555 567) the Hoare annotation is: true [2024-12-06 02:27:11,759 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 597) no Hoare annotation was computed. [2024-12-06 02:27:11,759 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 02:27:11,759 INFO L77 FloydHoareUtils]: At program point L597-1(line 597) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-12-06 02:27:11,760 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 596) no Hoare annotation was computed. [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L573(lines 573 582) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L573-2(lines 573 582) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 596) no Hoare annotation was computed. [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L558(lines 558 559) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L575-1(lines 575 580) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L575-2(lines 575 580) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L575-4(lines 575 580) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L551-1(lines 551 552) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L551-4(lines 551 552) the Hoare annotation is: true [2024-12-06 02:27:11,760 INFO L77 FloydHoareUtils]: At program point L551-5(lines 551 552) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L576(lines 576 579) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L576-1(lines 576 579) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L576-3(lines 576 579) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L560-1(lines 560 565) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L560-2(lines 560 565) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L560-4(lines 560 565) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L577(lines 577 578) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point L561(lines 561 562) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:27:11,761 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2024-12-06 02:27:11,761 INFO L77 FloydHoareUtils]: At program point cstrstr_returnLabel#1(lines 568 584) the Hoare annotation is: true [2024-12-06 02:27:11,762 INFO L77 FloydHoareUtils]: At program point L562(line 562) the Hoare annotation is: true [2024-12-06 02:27:11,762 INFO L77 FloydHoareUtils]: At program point L562-1(line 562) the Hoare annotation is: true [2024-12-06 02:27:11,762 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 597) no Hoare annotation was computed. [2024-12-06 02:27:11,762 INFO L77 FloydHoareUtils]: At program point L596(line 596) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 02:27:11,762 INFO L77 FloydHoareUtils]: At program point L596-1(line 596) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 02:27:11,762 INFO L77 FloydHoareUtils]: At program point L563(lines 563 564) the Hoare annotation is: true [2024-12-06 02:27:11,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:27:11 ImpRootNode [2024-12-06 02:27:11,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:27:11,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:27:11,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:27:11,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:27:11,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:10" (3/4) ... [2024-12-06 02:27:11,773 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:27:11,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 02:27:11,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 02:27:11,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 02:27:11,780 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:27:11,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:27:11,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:27:11,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:27:11,845 INFO L158 Benchmark]: Toolchain (without parser) took 1799.77ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 32.5MB in the end (delta: 59.3MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-12-06 02:27:11,845 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:11,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:27:11,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:11,859 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:27:11,860 INFO L158 Benchmark]: RCFGBuilder took 338.91ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 53.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:27:11,860 INFO L158 Benchmark]: CodeCheck took 993.60ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 37.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-06 02:27:11,860 INFO L158 Benchmark]: Witness Printer took 74.31ms. Allocated memory is still 117.4MB. Free memory was 37.2MB in the beginning and 32.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:11,862 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 37 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 338.91ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 53.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 993.60ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 37.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 74.31ms. Allocated memory is still 117.4MB. Free memory was 37.2MB in the beginning and 32.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:27:11,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dabacb11-6627-422c-8486-987e7cb4c4ac/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