./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.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_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3 --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 fbed0bc4942926c5a065ccbf17163625c88b174c6c8e2c3aa7b7499af2489507 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:36:50,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:36:50,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:36:50,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:36:50,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:36:50,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:36:50,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:36:50,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:36:50,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:36:50,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:36:50,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:36:50,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:36:50,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:36:50,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:36:50,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:36:50,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:50,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:36:50,252 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:36:50,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:36:50,254 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_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> fbed0bc4942926c5a065ccbf17163625c88b174c6c8e2c3aa7b7499af2489507 [2024-11-25 04:36:50,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:36:50,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:36:50,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:36:50,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:36:50,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:36:50,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2024-11-25 04:36:53,531 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/data/541ece62d/ac177d667fc248f9905bbd96d0668dfe/FLAG1ab0ef8a6 [2024-11-25 04:36:53,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:36:53,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2024-11-25 04:36:53,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/data/541ece62d/ac177d667fc248f9905bbd96d0668dfe/FLAG1ab0ef8a6 [2024-11-25 04:36:53,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/data/541ece62d/ac177d667fc248f9905bbd96d0668dfe [2024-11-25 04:36:53,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:36:53,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:36:53,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:53,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:36:53,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:36:53,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:53" (1/1) ... [2024-11-25 04:36:53,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4934751f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:53, skipping insertion in model container [2024-11-25 04:36:53,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:53" (1/1) ... [2024-11-25 04:36:53,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:36:54,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:54,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:36:54,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:54,077 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:36:54,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54 WrapperNode [2024-11-25 04:36:54,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:54,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:54,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:36:54,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:36:54,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,104 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-25 04:36:54,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:54,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:36:54,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:36:54,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:36:54,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,114 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:36:54,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:36:54,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:36:54,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:36:54,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:54,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:36:54,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:36:54,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:36:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:36:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:36:54,258 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:36:54,260 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:36:54,371 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 04:36:54,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:36:54,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:36:54,411 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:36:54,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:54 BoogieIcfgContainer [2024-11-25 04:36:54,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:36:54,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:36:54,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:36:54,425 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:36:54,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:54" (1/1) ... [2024-11-25 04:36:54,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:36:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-25 04:36:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-25 04:36:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:36:54,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:54,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:36:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-25 04:36:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-25 04:36:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:36:54,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:54,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:36:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:54,781 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:54,808 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:54,818 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:36:54,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:36:54 ImpRootNode [2024-11-25 04:36:54,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:36:54,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:36:54,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:36:54,837 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:36:54,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:54" (3/4) ... [2024-11-25 04:36:54,839 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:36:54,872 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 04:36:54,918 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:36:54,918 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:36:54,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:36:54,920 INFO L158 Benchmark]: Toolchain (without parser) took 1056.69ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 54.4MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:36:54,921 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:54,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.69ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 84.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:54,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.85ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:54,925 INFO L158 Benchmark]: Boogie Preprocessor took 16.19ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 83.1MB in the end (delta: 431.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:54,925 INFO L158 Benchmark]: RCFGBuilder took 292.92ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 72.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:54,926 INFO L158 Benchmark]: CodeCheck took 421.63ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 58.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:36:54,926 INFO L158 Benchmark]: Witness Printer took 81.42ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 54.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:54,928 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int a, b; [L15] a = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] COND TRUE a >= 0 VAL [a=1, b=2147483647] [L18] a + b * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.69ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 84.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.85ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.19ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 83.1MB in the end (delta: 431.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.92ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 72.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 421.63ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 58.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 81.42ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 54.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:36:54,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1930eeb2-648e-43bd-ac89-7aed0f2cc004/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)