./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/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_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/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_990162d4-b17e-41c5-b1af-7426d0f4b4a4/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 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:21,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:21,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:21,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:21,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:21,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:21,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:21,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:21,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:21,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:21,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:21,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:21,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:21,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:21,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:21,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:21,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:21,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:21,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:21,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:21,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:21,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:21,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:21,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:21,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:21,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:21,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:21,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:21,749 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:21,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:21,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:21,751 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_990162d4-b17e-41c5-b1af-7426d0f4b4a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc [2023-11-11 23:59:22,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:22,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:22,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:22,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:22,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:22,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2023-11-11 23:59:25,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:25,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:25,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2023-11-11 23:59:25,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/data/2d58290da/f98574103f80422fa2b88a14cf49d977/FLAG85394bdee [2023-11-11 23:59:25,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/data/2d58290da/f98574103f80422fa2b88a14cf49d977 [2023-11-11 23:59:25,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:25,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:25,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:25,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:25,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:25,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784aaad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25, skipping insertion in model container [2023-11-11 23:59:25,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:25,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:25,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:25,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:25,716 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:25,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25 WrapperNode [2023-11-11 23:59:25,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:25,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:25,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:25,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:25,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,751 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-11 23:59:25,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:25,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:25,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:25,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:25,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:25,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:25,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:25,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:25,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:25,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:25,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:25,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:25,953 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:25,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:26,053 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:26,074 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:26,074 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:59:26,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26 BoogieIcfgContainer [2023-11-11 23:59:26,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:26,078 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:26,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:26,089 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:26,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-11 23:59:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-11 23:59:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:26,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:26,340 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 23:59:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2023-11-11 23:59:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-11 23:59:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:26,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:26,462 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 23:59:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-11 23:59:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-11 23:59:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:26,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,574 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-11 23:59:26,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:59:26 ImpRootNode [2023-11-11 23:59:26,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:59:26,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:59:26,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:59:26,617 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:59:26,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26" (3/4) ... [2023-11-11 23:59:26,619 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:59:26,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:59:26,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:59:26,657 INFO L158 Benchmark]: Toolchain (without parser) took 1130.93ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 104.1MB in the beginning and 159.8MB in the end (delta: -55.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,657 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 151.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.84ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 94.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 92.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,660 INFO L158 Benchmark]: Boogie Preprocessor took 33.09ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,660 INFO L158 Benchmark]: RCFGBuilder took 288.45ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 82.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,661 INFO L158 Benchmark]: CodeCheck took 537.83ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 82.1MB in the beginning and 161.9MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,662 INFO L158 Benchmark]: Witness Printer took 39.49ms. Allocated memory is still 197.1MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,666 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] x = __VERIFIER_nondet_int() [L16] COND TRUE x <= 100 [L17] COND FALSE !(__VERIFIER_nondet_int() != 0) [L20] -3*x VAL [x=-715827883] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 151.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.84ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 94.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 92.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.09ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.45ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 82.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 537.83ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 82.1MB in the beginning and 161.9MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.49ms. Allocated memory is still 197.1MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:59:26,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990162d4-b17e-41c5-b1af-7426d0f4b4a4/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)