./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 cf1a7837 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_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd3-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-12 00:02:54,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:54,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:02:54,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:54,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:54,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:54,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:54,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:54,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:54,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:54,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:54,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:54,639 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:54,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:54,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:54,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:54,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:54,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:54,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:54,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:54,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:54,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:54,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:54,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:54,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:54,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:54,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:54,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:54,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:54,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:54,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:54,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:54,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:54,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:54,650 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_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30fb53ba1bb9e30e27f1f3b124700f21ddb3bb720786f227b85112bcaf73168 [2023-11-12 00:02:54,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:54,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:54,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:54,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:54,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:54,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-nla/egcd3-both-t.c [2023-11-12 00:02:58,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:58,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:58,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/sv-benchmarks/c/termination-nla/egcd3-both-t.c [2023-11-12 00:02:58,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/data/f435ab8ab/b41c591a4ed34881a6dd6e506dcf6e5b/FLAG01720022e [2023-11-12 00:02:58,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/data/f435ab8ab/b41c591a4ed34881a6dd6e506dcf6e5b [2023-11-12 00:02:58,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:58,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:58,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:58,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:58,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:58,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fea4081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58, skipping insertion in model container [2023-11-12 00:02:58,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:58,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:58,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:58,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:58,714 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:58,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58 WrapperNode [2023-11-12 00:02:58,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:58,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:58,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:58,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:58,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,757 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2023-11-12 00:02:58,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:58,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:58,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:58,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:58,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:58,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:58,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:58,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:58,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:58" (1/1) ... [2023-11-12 00:02:58,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:58,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:58,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:58,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:58,957 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:58,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:59,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:59,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:59,227 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:02:59,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:59 BoogieIcfgContainer [2023-11-12 00:02:59,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:59,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:59,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:59,241 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:59,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:59" (1/1) ... [2023-11-12 00:02:59,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2023-11-12 00:02:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-11-12 00:02:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:59,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:59,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:59,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:59,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:59,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2023-11-12 00:02:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2023-11-12 00:02:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:59,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:59,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:02:59,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2023-11-12 00:02:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2023-11-12 00:02:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:59,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:59,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:59,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:59,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:59,770 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-12 00:02:59,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:59 ImpRootNode [2023-11-12 00:02:59,809 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:59,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:59,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:59,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:59,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:59" (3/4) ... [2023-11-12 00:02:59,820 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:02:59,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:59,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:59,890 INFO L158 Benchmark]: Toolchain (without parser) took 1447.68ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 63.3MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:59,891 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 113.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:59,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.44ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 101.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:59,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.35ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 100.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:59,892 INFO L158 Benchmark]: Boogie Preprocessor took 45.78ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 99.2MB in the end (delta: 953.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:59,892 INFO L158 Benchmark]: RCFGBuilder took 424.66ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 85.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:59,893 INFO L158 Benchmark]: CodeCheck took 579.02ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 64.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:02:59,898 INFO L158 Benchmark]: Witness Printer took 79.55ms. Allocated memory is still 155.2MB. Free memory was 64.9MB in the beginning and 63.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:59,901 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, 98 GetRequests, 96 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 4 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, x=0, y=-1073741825] [L33] COND TRUE 1 VAL [a=0, b=-1073741825, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L34] COND FALSE !(!(b != 0)) [L36] int c, k; [L37] c = a [L38] k = 0 VAL [a=0, b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L40] COND TRUE 1 VAL [a=0, b=-1073741825, c=0, k=0, p=1, q=0, r=0, s=1, x=0, y=-1073741825] [L41] COND FALSE !(!(c >= b)) [L43] int d, v; [L44] d = 1 [L45] v = b VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L47] COND TRUE 1 VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] [L53] 2 * b VAL [a=0, b=-1073741825, c=0, d=1, k=0, p=1, q=0, r=0, s=1, v=-1073741825, x=0, y=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 113.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.44ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 101.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.35ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 100.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.78ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 99.2MB in the end (delta: 953.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 424.66ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 85.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 579.02ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 64.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 79.55ms. Allocated memory is still 155.2MB. Free memory was 64.9MB in the beginning and 63.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:02:59,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610f078d-eb99-4bdf-a4f3-e745a2dde8cc/bin/ukojak-verify-0OAaufAVZV/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)