./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ef97db69fbbc2686055433c5626a55a33ea2291308e3f5a177f7b8859d14e9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:41:44,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:41:44,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:41:44,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:41:44,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:41:44,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:41:44,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:41:44,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:41:44,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:41:44,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:41:44,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:41:44,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:41:44,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:41:44,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:41:44,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:41:44,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:41:44,986 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:41:44,986 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:41:44,986 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:41:44,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:41:44,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:44,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:41:44,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:41:44,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:41:44,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:41:44,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:41:44,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ef97db69fbbc2686055433c5626a55a33ea2291308e3f5a177f7b8859d14e9c [2024-11-25 02:41:45,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:41:45,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:41:45,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:41:45,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:41:45,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:41:45,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2024-11-25 02:41:48,458 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/data/15fff5c85/eb8f74ee64844f229d335484a3b75985/FLAGcef3f8e05 [2024-11-25 02:41:48,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:41:48,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2024-11-25 02:41:48,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/data/15fff5c85/eb8f74ee64844f229d335484a3b75985/FLAGcef3f8e05 [2024-11-25 02:41:48,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/data/15fff5c85/eb8f74ee64844f229d335484a3b75985 [2024-11-25 02:41:48,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:41:48,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:41:48,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:48,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:41:48,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:41:48,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:48" (1/1) ... [2024-11-25 02:41:48,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70821e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:48, skipping insertion in model container [2024-11-25 02:41:48,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:48" (1/1) ... [2024-11-25 02:41:48,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:41:49,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:49,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:41:49,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:49,118 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:41:49,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49 WrapperNode [2024-11-25 02:41:49,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:49,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:49,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:41:49,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:41:49,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,166 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-25 02:41:49,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:49,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:41:49,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:41:49,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:41:49,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:41:49,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:41:49,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:41:49,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:41:49,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:49,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:41:49,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:41:49,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:41:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:41:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:41:49,381 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:41:49,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:41:49,525 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 02:41:49,526 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:41:49,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:41:49,561 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:41:49,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:49 BoogieIcfgContainer [2024-11-25 02:41:49,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:41:49,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:41:49,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:41:49,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:41:49,572 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:49" (1/1) ... [2024-11-25 02:41:49,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:41:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 02:41:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 02:41:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:41:49,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:41:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 02:41:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 02:41:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:41:49,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:41:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-25 02:41:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-25 02:41:50,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:41:50,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:41:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 02:41:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 02:41:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:41:50,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:50,530 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:50,591 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:41:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:41:50,605 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 02:41:50,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:41:50 ImpRootNode [2024-11-25 02:41:50,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:41:50,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:41:50,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:41:50,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:41:50,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:49" (3/4) ... [2024-11-25 02:41:50,634 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:41:50,718 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-25 02:41:50,774 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:41:50,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:41:50,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:41:50,777 INFO L158 Benchmark]: Toolchain (without parser) took 1942.07ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 88.3MB in the end (delta: 6.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 02:41:50,777 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:50,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.12ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:50,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.07ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:50,780 INFO L158 Benchmark]: Boogie Preprocessor took 31.03ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 786.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:50,781 INFO L158 Benchmark]: RCFGBuilder took 363.28ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 72.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:50,782 INFO L158 Benchmark]: CodeCheck took 1068.53ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 38.1MB in the end (delta: 33.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:41:50,782 INFO L158 Benchmark]: Witness Printer took 144.05ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 88.3MB in the end (delta: -50.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-25 02:41:50,786 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 4 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int id, maxId, tmp; [L17] id = __VERIFIER_nondet_int() [L18] maxId = __VERIFIER_nondet_int() [L21] COND TRUE 0 <= id && id < maxId VAL [id=2147483646, maxId=2147483647] [L22] EXPR id+1 [L22] tmp = id+1 VAL [id=2147483646, maxId=2147483647, tmp=2147483647] [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 VAL [id=2147483646, maxId=2147483647, tmp=2147483647] [L23] COND TRUE tmp!=id && __VERIFIER_nondet_int() != 0 [L24] COND TRUE tmp <= maxId VAL [id=2147483646, maxId=2147483647, tmp=2147483647] [L25] tmp + 1 VAL [id=2147483646, maxId=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.12ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.07ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.03ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 786.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.28ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 72.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1068.53ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 38.1MB in the end (delta: 33.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 144.05ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 88.3MB in the end (delta: -50.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:41:50,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72af0efb-d04a-4879-bea9-bafd7e08cf57/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)