./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard.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_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/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_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/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_f9090790-065d-4aa3-9a1c-e6f15fc76c21/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 bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:26:17,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:26:18,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:26:18,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:26:18,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:26:18,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:26:18,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:26:18,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:26:18,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:26:18,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:26:18,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:26:18,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:26:18,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:26:18,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:26:18,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:26:18,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:26:18,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:26:18,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:26:18,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:26:18,138 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:26:18,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:26:18,138 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:26:18,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:26:18,139 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:26:18,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:26:18,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:26:18,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:26:18,139 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:26:18,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:26:18,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:26:18,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:26:18,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:26:18,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:26:18,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:26:18,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:26:18,140 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_f9090790-065d-4aa3-9a1c-e6f15fc76c21/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 -> bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb [2024-11-25 05:26:18,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:26:18,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:26:18,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:26:18,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:26:18,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:26:18,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/hard.c [2024-11-25 05:26:21,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/data/46200fc6e/731f017ea5c34a97966811fb1192ae2f/FLAG5e9f4af4e [2024-11-25 05:26:21,883 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:26:21,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/sv-benchmarks/c/nla-digbench/hard.c [2024-11-25 05:26:21,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/data/46200fc6e/731f017ea5c34a97966811fb1192ae2f/FLAG5e9f4af4e [2024-11-25 05:26:21,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/data/46200fc6e/731f017ea5c34a97966811fb1192ae2f [2024-11-25 05:26:21,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:26:21,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:26:21,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:26:21,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:26:21,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:26:21,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:26:21" (1/1) ... [2024-11-25 05:26:21,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d563e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:21, skipping insertion in model container [2024-11-25 05:26:21,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:26:21" (1/1) ... [2024-11-25 05:26:21,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:26:22,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:26:22,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:26:22,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:26:22,190 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:26:22,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22 WrapperNode [2024-11-25 05:26:22,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:26:22,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:26:22,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:26:22,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:26:22,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,235 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-25 05:26:22,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:26:22,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:26:22,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:26:22,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:26:22,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:26:22,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:26:22,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:26:22,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:26:22,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:26:22,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:26:22,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:26:22,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:26:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:26:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:26:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:26:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:26:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:26:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:26:22,408 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:26:22,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:26:22,720 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-25 05:26:22,720 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:26:22,787 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:26:22,791 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 05:26:22,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:22 BoogieIcfgContainer [2024-11-25 05:26:22,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:26:22,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:26:22,792 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:26:22,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:26:22,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:22" (1/1) ... [2024-11-25 05:26:22,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:26:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2024-11-25 05:26:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2024-11-25 05:26:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:26:22,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:22,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:23,041 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 05:26:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2024-11-25 05:26:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2024-11-25 05:26:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:26:23,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:23,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:26:23,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:26:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2024-11-25 05:26:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2024-11-25 05:26:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:26:23,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:23,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:26:23,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:26:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 78 transitions. [2024-11-25 05:26:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2024-11-25 05:26:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:26:23,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:23,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:26:23,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:26:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 88 transitions. [2024-11-25 05:26:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-11-25 05:26:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:26:23,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:26:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 97 transitions. [2024-11-25 05:26:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2024-11-25 05:26:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:26:24,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:24,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:26:24,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:26:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 98 transitions. [2024-11-25 05:26:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2024-11-25 05:26:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:26:24,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:24,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:24,774 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:26:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:24,797 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-25 05:26:24,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:26:24 ImpRootNode [2024-11-25 05:26:24,822 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:26:24,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:26:24,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:26:24,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:26:24,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:22" (3/4) ... [2024-11-25 05:26:24,824 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:26:24,865 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 14. [2024-11-25 05:26:24,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:26:24,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:26:24,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:26:24,930 INFO L158 Benchmark]: Toolchain (without parser) took 2998.87ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 46.2MB in the end (delta: 57.8MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-11-25 05:26:24,930 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:24,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.44ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 92.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:24,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.42ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:24,931 INFO L158 Benchmark]: Boogie Preprocessor took 31.60ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.7MB in the end (delta: 737.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:24,932 INFO L158 Benchmark]: RCFGBuilder took 522.73ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 72.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:26:24,932 INFO L158 Benchmark]: CodeCheck took 2029.57ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 50.9MB in the end (delta: 21.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-25 05:26:24,932 INFO L158 Benchmark]: Witness Printer took 106.83ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 46.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:24,934 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 2 procedures, 63 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 212 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 22/22 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: 40]: 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() [L27] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L27] RET assume_abort_if_not(B >= 1) [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L35] CALL __VERIFIER_assert(q == 0) [L15] COND FALSE !(!(cond)) [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L40] 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 1.21ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.44ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 92.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.42ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.60ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.7MB in the end (delta: 737.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.73ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 72.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2029.57ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 50.9MB in the end (delta: 21.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 106.83ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 46.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:26:24,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9090790-065d-4aa3-9a1c-e6f15fc76c21/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)