./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.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_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/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_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/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_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/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 2d15f7a175b7227b2fe35aa1981e666cdccea86724b9e7e9c290d14ef6b6263a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:06,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:06,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:14:06,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:06,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:06,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:06,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:06,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:06,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:06,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:06,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:14:06,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:06,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:06,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:06,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:06,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:06,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:06,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:06,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:06,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:06,619 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_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/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 -> 2d15f7a175b7227b2fe35aa1981e666cdccea86724b9e7e9c290d14ef6b6263a [2024-11-25 05:14:06,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:06,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:06,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:06,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:06,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:06,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c [2024-11-25 05:14:10,008 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/data/06d3507f8/32d8540d9f284a9a9e3aef34648ad4ed/FLAG16ce5483b [2024-11-25 05:14:10,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:10,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b.c [2024-11-25 05:14:10,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/data/06d3507f8/32d8540d9f284a9a9e3aef34648ad4ed/FLAG16ce5483b [2024-11-25 05:14:10,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/data/06d3507f8/32d8540d9f284a9a9e3aef34648ad4ed [2024-11-25 05:14:10,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:10,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:10,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:10,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:10,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:10,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560bdd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10, skipping insertion in model container [2024-11-25 05:14:10,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:10,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:10,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:14:10,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:10,623 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:14:10,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10 WrapperNode [2024-11-25 05:14:10,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:10,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:10,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:14:10,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:14:10,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,654 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-11-25 05:14:10,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:10,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:14:10,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:14:10,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:14:10,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:14:10,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:14:10,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:14:10,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:14:10,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:10" (1/1) ... [2024-11-25 05:14:10,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:10,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:14:10,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:14:10,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:14:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:14:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:14:10,849 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:14:10,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:11,062 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:11,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:11,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:11,132 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 05:14:11,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:11 BoogieIcfgContainer [2024-11-25 05:14:11,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:11,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:11,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:11,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:11,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:11" (1/1) ... [2024-11-25 05:14:11,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2024-11-25 05:14:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2024-11-25 05:14:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:14:11,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:11,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:11,370 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 05:14:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2024-11-25 05:14:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2024-11-25 05:14:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:14:11,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:11,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:11,452 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 05:14:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2024-11-25 05:14:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-25 05:14:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:14:11,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:11,697 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 05:14:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2024-11-25 05:14:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2024-11-25 05:14:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:12,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:14:12,204 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:14:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:14:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:14:12,253 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:14:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:14:12,266 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 05:14:12,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:14:12 ImpRootNode [2024-11-25 05:14:12,291 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:14:12,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:14:12,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:14:12,292 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:14:12,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:11" (3/4) ... [2024-11-25 05:14:12,295 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:14:12,333 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 05:14:12,377 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:14:12,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:14:12,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:14:12,379 INFO L158 Benchmark]: Toolchain (without parser) took 2016.14ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 82.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-25 05:14:12,380 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:12,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.68ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:12,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.89ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:12,382 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.4MB in the end (delta: 765.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:12,383 INFO L158 Benchmark]: RCFGBuilder took 443.53ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 68.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:14:12,384 INFO L158 Benchmark]: CodeCheck took 1158.01ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 86.2MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:12,384 INFO L158 Benchmark]: Witness Printer took 86.14ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 82.2MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:12,387 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, 45 locations, 20 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, 25 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 6 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 68 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 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 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 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.68ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 84.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.89ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.4MB in the end (delta: 765.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.53ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 68.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1158.01ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 86.2MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.14ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 82.2MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:14:12,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f60bf71-5d9f-4f1b-b7aa-c49686e227b0/bin/ukojak-verify-ENZ3QT5qd3/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)