./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/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_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:04:33,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:33,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:04:33,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:33,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:34,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:34,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:34,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:34,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:34,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:34,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:34,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:34,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:34,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:34,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:34,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:34,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:34,028 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:34,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:34,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:34,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:34,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:34,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:34,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:34,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:34,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:34,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:34,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:34,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:34,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:34,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:34,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:34,037 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_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbed0bc4942926c5a065ccbf17163625c88b174c6c8e2c3aa7b7499af2489507 [2023-11-19 04:04:34,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:34,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:34,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:34,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:34,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:34,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2023-11-19 04:04:37,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:37,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:37,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2023-11-19 04:04:37,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/data/53ff1a9a5/988d4195e568442d8eaad1ef4a2c5347/FLAGe79e80f12 [2023-11-19 04:04:37,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/data/53ff1a9a5/988d4195e568442d8eaad1ef4a2c5347 [2023-11-19 04:04:37,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:37,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:37,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:37,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:37,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:37,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:37,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b021ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37, skipping insertion in model container [2023-11-19 04:04:37,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:37,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:37,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:37,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:37,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:37,934 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:37,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37 WrapperNode [2023-11-19 04:04:37,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:37,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:37,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:37,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:37,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:37,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:37,992 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-19 04:04:37,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:37,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:37,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:37,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:38,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:38,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:38,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:38,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:38,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:37" (1/1) ... [2023-11-19 04:04:38,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:38,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:38,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:38,177 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:38,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:38,282 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:38,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:38,302 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:04:38,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:38 BoogieIcfgContainer [2023-11-19 04:04:38,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:38,307 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:38,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:38,317 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:38,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:38" (1/1) ... [2023-11-19 04:04:38,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-19 04:04:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-19 04:04:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:04:38,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-19 04:04:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-19 04:04:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:04:38,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:38,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:38,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:38,707 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:04:38,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:38 ImpRootNode [2023-11-19 04:04:38,730 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:38,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:38,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:38,732 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:38,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:38" (3/4) ... [2023-11-19 04:04:38,733 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:04:38,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:04:38,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:38,794 INFO L158 Benchmark]: Toolchain (without parser) took 1145.36ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 115.8MB in the end (delta: 24.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 04:04:38,795 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:38,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.83ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 146.0MB in the end (delta: -5.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:38,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 144.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:38,797 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 143.6MB in the end (delta: 519.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:38,801 INFO L158 Benchmark]: RCFGBuilder took 286.19ms. Allocated memory is still 174.1MB. Free memory was 143.1MB in the beginning and 133.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:04:38,802 INFO L158 Benchmark]: CodeCheck took 423.44ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 117.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:04:38,803 INFO L158 Benchmark]: Witness Printer took 62.46ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:38,808 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 - 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 VAL [a=1, b=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.83ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 146.0MB in the end (delta: -5.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 144.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 143.6MB in the end (delta: 519.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.19ms. Allocated memory is still 174.1MB. Free memory was 143.1MB in the beginning and 133.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 423.44ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 117.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 62.46ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:04:38,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d449d500-2649-4a76-a812-55d0d142a45d/bin/ukojak-verify-G8NBE6pJGL/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)