./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.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_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/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_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/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_18312ca7-7d65-449b-8892-594dd3eb1dcd/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 ee0ccea6b90e9b6a2f2fc862a3a7704844534359e41607705cde2a5dfc759de7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:16:59,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:16:59,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:16:59,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:16:59,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:16:59,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:16:59,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:16:59,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:16:59,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:16:59,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:16:59,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:16:59,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:16:59,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:16:59,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:00,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:00,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:00,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:00,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:00,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:00,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:00,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:00,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:00,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:00,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:00,003 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:17:00,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:17:00,003 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_18312ca7-7d65-449b-8892-594dd3eb1dcd/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 -> ee0ccea6b90e9b6a2f2fc862a3a7704844534359e41607705cde2a5dfc759de7 [2024-11-24 18:17:00,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:00,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:00,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:00,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:00,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:00,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c [2024-11-24 18:17:03,337 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/data/1c24ee8ca/56a2b75979c145a7b6a536296c8f6799/FLAG6ee7fb6b9 [2024-11-24 18:17:03,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:03,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c [2024-11-24 18:17:03,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/data/1c24ee8ca/56a2b75979c145a7b6a536296c8f6799/FLAG6ee7fb6b9 [2024-11-24 18:17:03,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/data/1c24ee8ca/56a2b75979c145a7b6a536296c8f6799 [2024-11-24 18:17:03,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:03,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:03,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:03,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:03,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:03,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb8b2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03, skipping insertion in model container [2024-11-24 18:17:03,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:03,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:03,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:03,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:03,810 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:03,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03 WrapperNode [2024-11-24 18:17:03,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:03,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:03,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:03,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:03,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,848 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-24 18:17:03,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:03,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:03,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:03,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:03,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:03,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:03,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:03,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:03,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:03" (1/1) ... [2024-11-24 18:17:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:03,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:03,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:03,992 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:03,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:04,065 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:04,065 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:04,090 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:04,091 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:17:04,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:04 BoogieIcfgContainer [2024-11-24 18:17:04,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:04,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:04,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:04,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:04,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:04" (1/1) ... [2024-11-24 18:17:04,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-24 18:17:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-24 18:17:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:17:04,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:04,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:17:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-24 18:17:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-24 18:17:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:17:04,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:17:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-24 18:17:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-24 18:17:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:17:04,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:04,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:04,877 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:04,934 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:04,948 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-24 18:17:04,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:17:04 ImpRootNode [2024-11-24 18:17:04,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:17:04,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:17:04,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:17:04,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:17:04,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:04" (3/4) ... [2024-11-24 18:17:04,972 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:17:05,020 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-24 18:17:05,069 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:17:05,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:17:05,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:17:05,071 INFO L158 Benchmark]: Toolchain (without parser) took 1479.28ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 68.1MB in the end (delta: 49.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:17:05,071 INFO L158 Benchmark]: CDTParser took 1.40ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:05,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.39ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:05,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.84ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 998.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:05,074 INFO L158 Benchmark]: Boogie Preprocessor took 17.10ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 547.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:05,074 INFO L158 Benchmark]: RCFGBuilder took 224.39ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:05,074 INFO L158 Benchmark]: CodeCheck took 878.04ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 72.0MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:17:05,075 INFO L158 Benchmark]: Witness Printer took 99.28ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 68.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:05,077 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x > 0 && y < 0 VAL [x=1, y=-2147483648] [L27] EXPR x + y [L27] x = x + y VAL [x=-2147483647, y=-2147483648] [L28] y - 1 VAL [x=-2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.39ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.84ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 998.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.10ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 547.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.39ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 96.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 878.04ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 72.0MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 99.28ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 68.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:17:05,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18312ca7-7d65-449b-8892-594dd3eb1dcd/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)