./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtol.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_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/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_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/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_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/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 bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:01:41,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:01:41,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:01:41,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:01:41,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:01:41,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:01:41,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:01:41,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:01:41,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:01:41,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:01:41,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:01:41,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:01:41,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:01:41,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:41,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:01:41,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:01:41,487 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_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/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 -> bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 [2024-12-06 02:01:41,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:01:41,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:01:41,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:01:41,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:01:41,741 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:01:41,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-dietlibc/strtol.i [2024-12-06 02:01:44,439 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/data/e63e6c2f7/9cc3eda26a2c4782b85342dabc52cba3/FLAG6fcc7b15a [2024-12-06 02:01:44,676 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:01:44,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/sv-benchmarks/c/termination-dietlibc/strtol.i [2024-12-06 02:01:44,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/data/e63e6c2f7/9cc3eda26a2c4782b85342dabc52cba3/FLAG6fcc7b15a [2024-12-06 02:01:45,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/data/e63e6c2f7/9cc3eda26a2c4782b85342dabc52cba3 [2024-12-06 02:01:45,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:01:45,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:01:45,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:45,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:01:45,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:01:45,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9361da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45, skipping insertion in model container [2024-12-06 02:01:45,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:01:45,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:45,324 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:01:45,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:45,391 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:01:45,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45 WrapperNode [2024-12-06 02:01:45,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:45,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:45,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:01:45,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:01:45,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,431 INFO L138 Inliner]: procedures = 116, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2024-12-06 02:01:45,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:45,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:01:45,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:01:45,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:01:45,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,450 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:01:45,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:01:45,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:01:45,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:01:45,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:45,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:45,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:01:45,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:01:45,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:01:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:01:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 02:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:01:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:01:45,606 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:01:45,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:01:45,914 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-12-06 02:01:45,915 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:01:45,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:01:45,998 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 02:01:45,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:45 BoogieIcfgContainer [2024-12-06 02:01:45,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:01:45,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:01:45,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:01:46,007 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:01:46,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:45" (1/1) ... [2024-12-06 02:01:46,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:01:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2024-12-06 02:01:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2024-12-06 02:01:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:01:46,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,197 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 02:01:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2024-12-06 02:01:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-12-06 02:01:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:01:46,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,263 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 02:01:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2024-12-06 02:01:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-12-06 02:01:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:01:46,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,410 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 02:01:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2024-12-06 02:01:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-12-06 02:01:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:01:46,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,597 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 02:01:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2024-12-06 02:01:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2024-12-06 02:01:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:01:46,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,738 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 02:01:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-12-06 02:01:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-12-06 02:01:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:01:46,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,790 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 02:01:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 80 states and 105 transitions. [2024-12-06 02:01:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2024-12-06 02:01:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:01:46,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:01:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-12-06 02:01:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-12-06 02:01:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:01:46,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:46,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:01:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2024-12-06 02:01:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2024-12-06 02:01:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:01:47,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2024-12-06 02:01:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2024-12-06 02:01:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:01:47,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:01:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 114 transitions. [2024-12-06 02:01:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2024-12-06 02:01:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:01:47,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2024-12-06 02:01:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2024-12-06 02:01:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:48,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:01:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2024-12-06 02:01:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2024-12-06 02:01:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:01:48,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:01:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2024-12-06 02:01:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2024-12-06 02:01:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:01:48,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:48,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:48,685 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 02:01:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-12-06 02:01:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-12-06 02:01:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:01:48,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:48,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 125 transitions. [2024-12-06 02:01:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-12-06 02:01:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:01:48,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:48,955 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:49,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:49,074 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-12-06 02:01:49,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:01:49 ImpRootNode [2024-12-06 02:01:49,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:01:49,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:01:49,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:01:49,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:01:49,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:45" (3/4) ... [2024-12-06 02:01:49,108 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:01:49,153 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 02:01:49,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:01:49,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a9d73a-269b-4698-a4a6-3aea9b2e83c0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:01:49,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:01:49,203 INFO L158 Benchmark]: Toolchain (without parser) took 4195.51ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 78.2MB in the end (delta: 37.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-06 02:01:49,204 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:49,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.20ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 98.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:01:49,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.67ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:49,205 INFO L158 Benchmark]: Boogie Preprocessor took 27.93ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:01:49,205 INFO L158 Benchmark]: RCFGBuilder took 538.95ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 60.8MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:01:49,205 INFO L158 Benchmark]: CodeCheck took 3106.16ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 83.1MB in the end (delta: -22.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:49,206 INFO L158 Benchmark]: Witness Printer took 96.35ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 78.2MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:49,208 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, 64 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 685 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 539 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1727 IncrementalHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 74 mSDtfsCounter, 1727 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1150 GetRequests, 1010 SyntacticMatches, 52 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3581 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 26/44 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 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L562] int in_len = __VERIFIER_nondet_int(); [L563] COND FALSE !(in_len < 1) [L564] char* in = __builtin_alloca (in_len); [L565] int i=0; VAL [i=0, in={3:0}, in_len=1] [L565] EXPR in_len-1 VAL [i=0, in={3:0}, in_len=1] [L565] COND FALSE !(i