./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c --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_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/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_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/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_c330701e-f09d-4e49-b922-cfd66a1450e5/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 2d15f7a175b7227b2fe35aa1981e666cdccea86724b9e7e9c290d14ef6b6263a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:41:04,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:41:04,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:41:04,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:41:04,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:41:04,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:41:04,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:41:04,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:41:04,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:41:04,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:41:04,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:41:04,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:41:04,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:41:04,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:41:04,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:41:04,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:41:04,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:41:04,507 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_c330701e-f09d-4e49-b922-cfd66a1450e5/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 -> 2d15f7a175b7227b2fe35aa1981e666cdccea86724b9e7e9c290d14ef6b6263a [2024-12-05 23:41:04,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:41:04,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:41:04,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:41:04,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:41:04,712 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:41:04,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c [2024-12-05 23:41:07,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/data/a9b283839/3ea9185e76734d3fbc44b8fb0c379da5/FLAG3cbacb496 [2024-12-05 23:41:07,504 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:41:07,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c [2024-12-05 23:41:07,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/data/a9b283839/3ea9185e76734d3fbc44b8fb0c379da5/FLAG3cbacb496 [2024-12-05 23:41:07,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/data/a9b283839/3ea9185e76734d3fbc44b8fb0c379da5 [2024-12-05 23:41:07,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:41:07,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:41:07,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:41:07,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:41:07,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:41:07,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:41:07" (1/1) ... [2024-12-05 23:41:07,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477d149a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:07, skipping insertion in model container [2024-12-05 23:41:07,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:41:07" (1/1) ... [2024-12-05 23:41:07,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:41:08,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:41:08,016 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:41:08,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:41:08,040 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:41:08,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08 WrapperNode [2024-12-05 23:41:08,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:41:08,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:41:08,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:41:08,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:41:08,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,066 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-12-05 23:41:08,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:41:08,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:41:08,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:41:08,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:41:08,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:41:08,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:41:08,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:41:08,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:41:08,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:41:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:41:08,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:41:08,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:41:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:41:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:41:08,202 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:41:08,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:41:08,340 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-05 23:41:08,340 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:41:08,375 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:41:08,375 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 23:41:08,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:08 BoogieIcfgContainer [2024-12-05 23:41:08,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:41:08,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:41:08,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:41:08,386 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:41:08,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:08" (1/1) ... [2024-12-05 23:41:08,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:41:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2024-12-05 23:41:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2024-12-05 23:41:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:41:08,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:41:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2024-12-05 23:41:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2024-12-05 23:41:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:41:08,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:08,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:41:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2024-12-05 23:41:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-12-05 23:41:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:41:08,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:08,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:41:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2024-12-05 23:41:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2024-12-05 23:41:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:41:09,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:09,068 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:41:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:09,094 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:41:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:09,110 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-05 23:41:09,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:41:09 ImpRootNode [2024-12-05 23:41:09,129 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:41:09,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:41:09,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:41:09,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:41:09,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:08" (3/4) ... [2024-12-05 23:41:09,131 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:41:09,163 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-05 23:41:09,201 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:41:09,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:41:09,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:41:09,203 INFO L158 Benchmark]: Toolchain (without parser) took 1311.45ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-05 23:41:09,203 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:09,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.34ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:41:09,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.88ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:09,204 INFO L158 Benchmark]: Boogie Preprocessor took 17.90ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.0MB in the end (delta: 791.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:09,204 INFO L158 Benchmark]: RCFGBuilder took 289.59ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 67.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:41:09,204 INFO L158 Benchmark]: CodeCheck took 753.02ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 85.4MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:09,205 INFO L158 Benchmark]: Witness Printer took 72.03ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:41:09,206 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, 45 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 6 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 VAL [x=2, y=2147483647] [L18] EXPR x - 1 [L18] x = x - 1 VAL [x=1, y=2147483647] [L19] y + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.34ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.88ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.90ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.0MB in the end (delta: 791.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.59ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 67.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 753.02ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 85.4MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.03ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:41:09,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c330701e-f09d-4e49-b922-cfd66a1450e5/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)