./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/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_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/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 32bit --witnessprinter.graph.data.programhash c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:27:22,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:27:22,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:27:22,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:27:22,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:27:22,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:27:22,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:27:22,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:27:22,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:27:22,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:27:22,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:27:22,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:27:22,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:27:22,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:27:22,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:27:22,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:27:22,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:27:22,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:27:22,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:27:22,464 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:27:22,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:27:22,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:27:22,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:27:22,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:27:22,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:27:22,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:27:22,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:27:22,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:27:22,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:27:22,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:22,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:27:22,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:27:22,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:27:22,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:27:22,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:27:22,467 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_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce [2024-11-25 05:27:22,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:27:22,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:27:22,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:27:22,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:27:22,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:27:22,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-nla/hard-both-t.c [2024-11-25 05:27:26,541 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/data/b0a477db8/bfe5468e1432470680b08c41f9d6fcc3/FLAGbdac21654 [2024-11-25 05:27:26,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:27:26,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/sv-benchmarks/c/termination-nla/hard-both-t.c [2024-11-25 05:27:26,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/data/b0a477db8/bfe5468e1432470680b08c41f9d6fcc3/FLAGbdac21654 [2024-11-25 05:27:26,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/data/b0a477db8/bfe5468e1432470680b08c41f9d6fcc3 [2024-11-25 05:27:26,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:27:26,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:27:26,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:26,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:27:26,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:27:26,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:26" (1/1) ... [2024-11-25 05:27:26,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f339ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:26, skipping insertion in model container [2024-11-25 05:27:26,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:26" (1/1) ... [2024-11-25 05:27:26,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:27:27,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:27,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:27:27,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:27,260 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:27:27,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27 WrapperNode [2024-11-25 05:27:27,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:27,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:27,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:27:27,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:27:27,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,311 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-25 05:27:27,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:27,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:27:27,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:27:27,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:27:27,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:27:27,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:27:27,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:27:27,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:27:27,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:27:27,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:27:27,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:27:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:27:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:27:27,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:27:27,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:27:27,776 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 05:27:27,777 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:27:27,803 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:27:27,804 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 05:27:27,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:27:27 BoogieIcfgContainer [2024-11-25 05:27:27,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:27:27,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:27:27,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:27:27,821 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:27:27,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:27:27" (1/1) ... [2024-11-25 05:27:27,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:27:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2024-11-25 05:27:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-25 05:27:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:27:27,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:27:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:28,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:27:28,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:27:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2024-11-25 05:27:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2024-11-25 05:27:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:27:28,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:28,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:27:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:28,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:27:28,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:27:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2024-11-25 05:27:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-25 05:27:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:27:28,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:27:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:28,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:27:28,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:27:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2024-11-25 05:27:28,842 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2024-11-25 05:27:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:27:28,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:27:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2024-11-25 05:27:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-11-25 05:27:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:27:29,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:29,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:27:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:29,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:27:29,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:27:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2024-11-25 05:27:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2024-11-25 05:27:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:27:29,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:29,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:27:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:27:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:27:29,586 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:27:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:27:29,615 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-25 05:27:29,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:27:29 ImpRootNode [2024-11-25 05:27:29,656 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:27:29,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:27:29,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:27:29,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:27:29,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:27:27" (3/4) ... [2024-11-25 05:27:29,661 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:27:29,725 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-25 05:27:29,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:27:29,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:27:29,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:27:29,784 INFO L158 Benchmark]: Toolchain (without parser) took 2840.89ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 89.6MB in the end (delta: 16.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-25 05:27:29,785 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:29,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.20ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.5MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:27:29,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.49ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:29,787 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.6MB in the end (delta: 623.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:29,787 INFO L158 Benchmark]: RCFGBuilder took 453.50ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 79.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:27:29,787 INFO L158 Benchmark]: CodeCheck took 1847.70ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 93.2MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:29,788 INFO L158 Benchmark]: Witness Printer took 125.33ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:29,792 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, 52 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 26 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] COND FALSE !(!(r >= B * p)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L41] 2 * d VAL [A=1073741824, B=1073741824, p=1, q=0, r=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.20ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.5MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.49ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.6MB in the end (delta: 623.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.50ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 79.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1847.70ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 93.2MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.33ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:27:29,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e84261-b4d2-441c-8c9a-a227c8b00ae0/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)