./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et2_true.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_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/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_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et2_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/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_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/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 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:53:50,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:53:50,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:53:50,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:53:50,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:53:50,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:53:50,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:53:50,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:53:50,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:53:50,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:53:50,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:53:50,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:53:50,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:53:50,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:53:50,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:53:50,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:53:50,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:53:50,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:53:50,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:53:50,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:53:50,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:53:50,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:53:50,400 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_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/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 -> 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d [2024-12-06 03:53:50,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:53:50,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:53:50,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:53:50,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:53:50,724 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:53:50,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-numeric/Et2_true.c [2024-12-06 03:53:54,271 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/data/cc6df26aa/e9e465bc5e074373a2b8970add77f554/FLAG2d8af766f [2024-12-06 03:53:54,508 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:53:54,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/sv-benchmarks/c/termination-numeric/Et2_true.c [2024-12-06 03:53:54,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/data/cc6df26aa/e9e465bc5e074373a2b8970add77f554/FLAG2d8af766f [2024-12-06 03:53:54,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/data/cc6df26aa/e9e465bc5e074373a2b8970add77f554 [2024-12-06 03:53:54,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:53:54,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:53:54,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:53:54,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:53:54,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:53:54,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381b8377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54, skipping insertion in model container [2024-12-06 03:53:54,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:53:54,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:53:54,749 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:53:54,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:53:54,783 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:53:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54 WrapperNode [2024-12-06 03:53:54,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:53:54,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:53:54,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:53:54,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:53:54,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,816 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-12-06 03:53:54,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:53:54,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:53:54,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:53:54,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:53:54,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:53:54,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:53:54,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:53:54,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:53:54,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:53:54" (1/1) ... [2024-12-06 03:53:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:53:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:53:54,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:53:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure random [2024-12-06 03:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2024-12-06 03:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2024-12-06 03:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2024-12-06 03:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:53:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:53:54,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:53:54,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:53:55,129 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 03:53:55,129 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:53:55,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:53:55,156 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:53:55,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:53:55 BoogieIcfgContainer [2024-12-06 03:53:55,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:53:55,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:53:55,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:53:55,171 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:53:55,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:53:55" (1/1) ... [2024-12-06 03:53:55,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:53:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2024-12-06 03:53:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2024-12-06 03:53:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:53:55,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:55,402 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 03:53:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2024-12-06 03:53:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-12-06 03:53:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:53:55,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:53:55,481 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:53:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:53:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:53:55,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:53:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:53:55,534 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 03:53:55,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:53:55 ImpRootNode [2024-12-06 03:53:55,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:53:55,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:53:55,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:53:55,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:53:55,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:53:55" (3/4) ... [2024-12-06 03:53:55,562 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:53:55,598 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 03:53:55,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:53:55,646 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:53:55,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:53:55,647 INFO L158 Benchmark]: Toolchain (without parser) took 1104.47ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 51.0MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:53:55,647 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:53:55,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.26ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:55,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.64ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 820.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:53:55,649 INFO L158 Benchmark]: Boogie Preprocessor took 20.13ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 811.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:53:55,649 INFO L158 Benchmark]: RCFGBuilder took 318.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:53:55,649 INFO L158 Benchmark]: CodeCheck took 401.06ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 55.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:55,650 INFO L158 Benchmark]: Witness Printer took 86.46ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 51.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:53:55,652 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 3 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x = __VERIFIER_nondet_int(); [L24] int y = __VERIFIER_nondet_int(); [L25] int z = __VERIFIER_nondet_int(); [L26] CALL random() [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE x < 0 VAL [x=-2147483648] [L33] -x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.26ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.64ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 820.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.13ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 811.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 401.06ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 55.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 86.46ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 51.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:53:55,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7c9171-6b74-4c6a-b738-3e0e21ebfbf3/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)