./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk --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 abd4a3c7dd9fc6dd788312e2749fb84e8465aaabcc51ba8052404af690a1a44e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:58:59,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:58:59,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:58:59,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:58:59,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:58:59,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:58:59,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:58:59,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:58:59,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:58:59,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:58:59,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:58:59,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:58:59,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:58:59,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:58:59,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:58:59,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:58:59,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:58:59,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:58:59,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:58:59,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:58:59,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:58:59,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:58:59,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:58:59,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:58:59,716 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:58:59,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:58:59,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:58:59,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:58:59,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:58:59,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:58:59,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:58:59,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:58:59,721 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_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd4a3c7dd9fc6dd788312e2749fb84e8465aaabcc51ba8052404af690a1a44e [2024-11-08 23:59:00,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:59:00,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:59:00,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:59:00,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:59:00,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:59:00,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c Unable to find full path for "g++" [2024-11-08 23:59:02,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:59:02,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:59:02,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c [2024-11-08 23:59:02,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/data/654e1053c/e181606baf7f46ed80b9aeddbebe8976/FLAGc52f36263 [2024-11-08 23:59:03,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/data/654e1053c/e181606baf7f46ed80b9aeddbebe8976 [2024-11-08 23:59:03,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:59:03,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:59:03,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:03,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:59:03,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:59:03,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c461b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03, skipping insertion in model container [2024-11-08 23:59:03,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:59:03,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:03,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:59:03,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:03,482 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:59:03,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03 WrapperNode [2024-11-08 23:59:03,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:03,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:03,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:59:03,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:59:03,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,522 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-08 23:59:03,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:03,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:59:03,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:59:03,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:59:03,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:59:03,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:59:03,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:59:03,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:59:03,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:03,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:59:03,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:59:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:59:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:59:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:59:03,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:59:03,718 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:59:03,867 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:59:03,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:59:03,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:59:03,917 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:59:03,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:03 BoogieIcfgContainer [2024-11-08 23:59:03,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:59:03,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:59:03,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:59:03,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:59:03,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:03" (1/1) ... [2024-11-08 23:59:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:59:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2024-11-08 23:59:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-08 23:59:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:59:04,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:04,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:59:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2024-11-08 23:59:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-08 23:59:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:59:04,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:59:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-11-08 23:59:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-08 23:59:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:59:04,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:04,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:59:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2024-11-08 23:59:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2024-11-08 23:59:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:59:04,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:59:04,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:59:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:59:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:59:05,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:59:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:59:05,043 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:59:05,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:59:05 ImpRootNode [2024-11-08 23:59:05,070 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:59:05,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:59:05,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:59:05,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:59:05,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:03" (3/4) ... [2024-11-08 23:59:05,073 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:59:05,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:59:05,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:59:05,109 INFO L158 Benchmark]: Toolchain (without parser) took 2100.90ms. Allocated memory is still 184.5MB. Free memory was 150.5MB in the beginning and 95.6MB in the end (delta: 54.9MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,110 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 113.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:59:05,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.39ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 152.1MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.45ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 151.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,112 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 184.5MB. Free memory was 151.0MB in the beginning and 150.1MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:59:05,112 INFO L158 Benchmark]: RCFGBuilder took 367.98ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 137.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,113 INFO L158 Benchmark]: CodeCheck took 1151.63ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 97.3MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,114 INFO L158 Benchmark]: Witness Printer took 37.73ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:59:05,122 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, 27 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 9 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND FALSE !(x >= 2) VAL [x=2, y=2147483647] [L17] COND TRUE x >= 2 VAL [x=2, y=2147483647] [L18] EXPR x - 1 [L18] x = x - 1 VAL [x=1, y=2147483647] [L19] y + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 113.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.39ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 152.1MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.45ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 151.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 184.5MB. Free memory was 151.0MB in the beginning and 150.1MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.98ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 137.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1151.63ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 97.3MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 37.73ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:59:05,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa056fe-fe73-4873-b9b0-17ae880fc8aa/bin/ukojak-verify-ImItNfHLgk/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)