./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV --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 a853e0153a387a0293b332daaa064da9a41f2d4b422c4d31dada3b659808cbac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:09,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:09,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:55:09,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:09,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:09,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:09,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:09,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:09,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:09,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:09,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:09,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:09,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:09,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:09,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:09,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:09,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:09,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:09,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:09,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:09,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:09,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:09,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:09,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:09,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:09,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:09,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:09,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:09,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:09,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:09,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:09,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a853e0153a387a0293b332daaa064da9a41f2d4b422c4d31dada3b659808cbac [2023-11-11 23:55:09,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:09,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:09,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:09,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:09,873 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:09,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c [2023-11-11 23:55:13,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:13,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:13,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c [2023-11-11 23:55:13,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/data/1c9bad1d4/cc4ef05ac4894728a0c12138f118c121/FLAG2986d242e [2023-11-11 23:55:13,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/data/1c9bad1d4/cc4ef05ac4894728a0c12138f118c121 [2023-11-11 23:55:13,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:13,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:13,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:13,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:13,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:13,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a1e593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13, skipping insertion in model container [2023-11-11 23:55:13,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:13,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:13,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:13,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:13,676 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:13,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13 WrapperNode [2023-11-11 23:55:13,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:13,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:13,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:13,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:13,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,716 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-11 23:55:13,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:13,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:13,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:13,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:13,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:13,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:13,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:13,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:13,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:13" (1/1) ... [2023-11-11 23:55:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:13,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:13,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:13,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:13,950 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:13,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:14,127 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:14,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:14,173 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:55:14,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:14 BoogieIcfgContainer [2023-11-11 23:55:14,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:14,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:14,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:14,191 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:14,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:14" (1/1) ... [2023-11-11 23:55:14,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:55:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:55:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:14,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-11 23:55:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-11 23:55:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:14,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-11 23:55:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-11 23:55:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:15,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:15,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:15,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:15,154 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-11 23:55:15,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:15 ImpRootNode [2023-11-11 23:55:15,178 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:15,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:15,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:15,180 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:15,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:14" (3/4) ... [2023-11-11 23:55:15,181 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:55:15,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:55:15,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:15,221 INFO L158 Benchmark]: Toolchain (without parser) took 1845.69ms. Allocated memory is still 186.6MB. Free memory was 139.8MB in the beginning and 86.2MB in the end (delta: 53.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,222 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 119.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.66ms. Allocated memory is still 186.6MB. Free memory was 139.8MB in the beginning and 130.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.50ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 129.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:15,224 INFO L158 Benchmark]: Boogie Preprocessor took 41.81ms. Allocated memory is still 186.6MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 892.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,225 INFO L158 Benchmark]: RCFGBuilder took 417.25ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 116.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,225 INFO L158 Benchmark]: CodeCheck took 1000.18ms. Allocated memory is still 186.6MB. Free memory was 116.4MB in the beginning and 87.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,226 INFO L158 Benchmark]: Witness Printer took 41.52ms. Allocated memory is still 186.6MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:15,229 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, x, n, b, t; [L15] i = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] n = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] COND TRUE b >= 1 [L20] t = 1 VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L24] COND TRUE x <= n VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L25] COND TRUE b >= 1 VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L26] x + t VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 119.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.66ms. Allocated memory is still 186.6MB. Free memory was 139.8MB in the beginning and 130.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.50ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 129.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.81ms. Allocated memory is still 186.6MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 892.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.25ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 116.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1000.18ms. Allocated memory is still 186.6MB. Free memory was 116.4MB in the beginning and 87.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 41.52ms. Allocated memory is still 186.6MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:55:15,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27370c23-ac32-4e9c-bba0-774422fa595f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)