./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.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_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/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_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/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_9dac3b70-c688-4dc4-8253-e855f17fbd17/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 42fd1e2a21bb4aa2f573a30580825a1464ab84c04e62c9bfecea355146dac68c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:10:18,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:10:18,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:10:18,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:10:18,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:10:18,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:10:18,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:10:18,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:10:18,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:10:18,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:10:18,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:10:18,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:10:18,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:10:18,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:18,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:10:18,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:10:18,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:10:18,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:10:18,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:10:18,450 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_9dac3b70-c688-4dc4-8253-e855f17fbd17/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 -> 42fd1e2a21bb4aa2f573a30580825a1464ab84c04e62c9bfecea355146dac68c [2024-11-24 18:10:18,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:10:18,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:10:18,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:10:18,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:10:18,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:10:18,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c [2024-11-24 18:10:21,848 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/data/8859a1f18/37a54136caf1456fa90b352650877040/FLAG2d288fe1b [2024-11-24 18:10:22,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:10:22,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c [2024-11-24 18:10:22,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/data/8859a1f18/37a54136caf1456fa90b352650877040/FLAG2d288fe1b [2024-11-24 18:10:22,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/data/8859a1f18/37a54136caf1456fa90b352650877040 [2024-11-24 18:10:22,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:10:22,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:10:22,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:22,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:10:22,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:10:22,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecefcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22, skipping insertion in model container [2024-11-24 18:10:22,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:10:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:22,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:10:22,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:22,347 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:10:22,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22 WrapperNode [2024-11-24 18:10:22,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:22,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:22,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:10:22,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:10:22,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,378 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-24 18:10:22,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:22,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:10:22,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:10:22,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:10:22,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:10:22,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:10:22,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:10:22,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:10:22,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:22,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:10:22,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:10:22,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:10:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:10:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:10:22,536 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:10:22,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:10:22,661 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-24 18:10:22,661 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:10:22,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:10:22,695 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:10:22,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:22 BoogieIcfgContainer [2024-11-24 18:10:22,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:10:22,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:10:22,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:10:22,707 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:10:22,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:22" (1/1) ... [2024-11-24 18:10:22,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:10:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-24 18:10:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-24 18:10:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:10:22,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:22,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:22,969 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 18:10:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-24 18:10:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-24 18:10:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:10:23,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:23,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:23,085 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 18:10:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-24 18:10:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-24 18:10:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:10:23,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:23,197 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 18:10:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-24 18:10:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-24 18:10:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:10:23,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:23,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:23,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:10:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:10:23,439 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-24 18:10:23,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:10:23 ImpRootNode [2024-11-24 18:10:23,458 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:10:23,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:10:23,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:10:23,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:10:23,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:22" (3/4) ... [2024-11-24 18:10:23,460 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:10:23,510 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-24 18:10:23,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:10:23,563 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:10:23,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:10:23,564 INFO L158 Benchmark]: Toolchain (without parser) took 1439.04ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 42.2MB in the end (delta: 50.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:10:23,565 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:23,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.94ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:10:23,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.72ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 850.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:23,567 INFO L158 Benchmark]: Boogie Preprocessor took 22.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 850.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:10:23,567 INFO L158 Benchmark]: RCFGBuilder took 292.38ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:10:23,568 INFO L158 Benchmark]: CodeCheck took 762.03ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 46.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:10:23,568 INFO L158 Benchmark]: Witness Printer took 105.02ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 42.2MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:10:23,572 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 21 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s 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, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y, n, b; [L15] n = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] x = __VERIFIER_nondet_int() [L18] y = __VERIFIER_nondet_int() [L19] COND TRUE x >= 0 && 0 <= y && y <= n VAL [b=0, n=2147483647, x=0, y=2147483647] [L20] COND TRUE b == 0 VAL [b=0, n=2147483647, x=0, y=2147483647] [L21] y + 1 VAL [b=0, n=2147483647, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.94ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.72ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 850.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.99ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 850.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.38ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 762.03ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 46.3MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 105.02ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 42.2MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:10:23,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dac3b70-c688-4dc4-8253-e855f17fbd17/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)