./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd3-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd3-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk --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 32bit --witnessprinter.graph.data.programhash f30fb53ba1bb9e30e27f1f3b124700f21ddb3bb720786f227b85112bcaf73168 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:28,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:28,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:15:28,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:15:28,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:15:28,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:28,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:28,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:28,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:28,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:28,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:28,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:28,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:15:28,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:15:28,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:15:28,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:28,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:28,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:28,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:28,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:28,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:15:28,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:15:28,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:15:28,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:28,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:28,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:28,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:28,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:28,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:28,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:28,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:28,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:28,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:28,662 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:15:28,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:15:28,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30fb53ba1bb9e30e27f1f3b124700f21ddb3bb720786f227b85112bcaf73168 [2024-11-08 23:15:28,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:29,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:29,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:29,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:29,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:29,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-nla/egcd3-both-t.c Unable to find full path for "g++" [2024-11-08 23:15:31,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:31,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:31,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/sv-benchmarks/c/termination-nla/egcd3-both-t.c [2024-11-08 23:15:31,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/data/0982739e9/a8556d6debae485bba82f7e1236576e2/FLAG96ef1ea35 [2024-11-08 23:15:31,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/data/0982739e9/a8556d6debae485bba82f7e1236576e2 [2024-11-08 23:15:31,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:31,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:31,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:31,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:31,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:31,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddc349b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31, skipping insertion in model container [2024-11-08 23:15:31,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:15:31,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:31,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:15:31,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:31,617 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:15:31,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31 WrapperNode [2024-11-08 23:15:31,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:31,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:31,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:15:31,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:15:31,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,655 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-11-08 23:15:31,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:31,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:15:31,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:15:31,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:15:31,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:15:31,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:15:31,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:15:31,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:15:31,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:31" (1/1) ... [2024-11-08 23:15:31,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:31,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:15:31,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:15:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:15:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:15:31,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:15:31,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:15:32,090 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-08 23:15:32,090 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:15:32,126 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:15:32,126 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 23:15:32,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:32 BoogieIcfgContainer [2024-11-08 23:15:32,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:15:32,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:15:32,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:15:32,140 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:15:32,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:32" (1/1) ... [2024-11-08 23:15:32,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:15:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2024-11-08 23:15:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-08 23:15:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:15:32,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:32,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2024-11-08 23:15:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2024-11-08 23:15:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:15:32,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:32,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:15:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:15:32,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2024-11-08 23:15:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2024-11-08 23:15:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:15:32,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:15:32,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:15:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:15:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:15:32,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:15:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:15:32,616 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 23:15:32,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:15:32 ImpRootNode [2024-11-08 23:15:32,656 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:15:32,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:15:32,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:15:32,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:15:32,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:32" (3/4) ... [2024-11-08 23:15:32,659 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:15:32,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:15:32,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:15:32,736 INFO L158 Benchmark]: Toolchain (without parser) took 1399.70ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 125.0MB in the end (delta: 5.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-08 23:15:32,736 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 81.8MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:32,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.14ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 118.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:15:32,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.50ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 116.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:15:32,738 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 116.2MB in the end (delta: 744.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:32,739 INFO L158 Benchmark]: RCFGBuilder took 429.14ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 101.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:15:32,739 INFO L158 Benchmark]: CodeCheck took 528.42ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 127.1MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:32,740 INFO L158 Benchmark]: Witness Printer took 77.74ms. Allocated memory is still 165.7MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:32,743 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, 50 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 32 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 53]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=0, b=-1073741825, p=1, q=0, r=0, s=1] [L33] COND TRUE 1 VAL [a=0, b=-1073741825, p=1, q=0, r=0, s=1] [L34] COND FALSE !(!(b != 0)) [L36] int c, k; [L37] c = a [L38] k = 0 VAL [b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1] [L40] COND TRUE 1 VAL [b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1] [L41] COND FALSE !(!(c >= b)) [L43] int d, v; [L44] d = 1 [L45] v = b VAL [b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825] [L47] COND TRUE 1 VAL [b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825] [L53] 2 * b VAL [c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 81.8MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.14ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 118.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.50ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 116.9MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 116.2MB in the end (delta: 744.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.14ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 101.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 528.42ms. Allocated memory is still 165.7MB. Free memory was 101.8MB in the beginning and 127.1MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.74ms. Allocated memory is still 165.7MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:15:32,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed574b3-e898-449a-9544-c00fd90a27b5/bin/ukojak-verify-ImItNfHLgk/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)