./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.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_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/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_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/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_435aa2d9-c716-476b-9c1e-e26b1d2e393e/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 c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:19:38,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:19:38,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:19:38,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:19:38,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:19:38,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:19:38,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:19:38,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:19:38,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:19:38,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:19:38,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:19:38,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:19:38,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:19:38,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:19:38,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:19:38,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:19:38,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:19:38,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:19:38,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:19:38,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:19:38,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:19:38,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:19:38,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:19:38,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:19:38,330 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_435aa2d9-c716-476b-9c1e-e26b1d2e393e/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 -> c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 [2024-11-25 02:19:38,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:19:38,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:19:38,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:19:38,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:19:38,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:19:38,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/zonotope_3.c [2024-11-25 02:19:41,662 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/data/47b075902/a9e6b1a521c441cf8839fe8a1326bf3a/FLAG332e23419 [2024-11-25 02:19:41,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:19:41,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/sv-benchmarks/c/float-benchs/zonotope_3.c [2024-11-25 02:19:41,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/data/47b075902/a9e6b1a521c441cf8839fe8a1326bf3a/FLAG332e23419 [2024-11-25 02:19:42,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/data/47b075902/a9e6b1a521c441cf8839fe8a1326bf3a [2024-11-25 02:19:42,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:19:42,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:19:42,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:19:42,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:19:42,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:19:42,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1984e148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42, skipping insertion in model container [2024-11-25 02:19:42,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:19:42,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:19:42,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:19:42,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:19:42,525 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:19:42,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42 WrapperNode [2024-11-25 02:19:42,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:19:42,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:19:42,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:19:42,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:19:42,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,564 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-25 02:19:42,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:19:42,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:19:42,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:19:42,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:19:42,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:19:42,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:19:42,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:19:42,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:19:42,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:19:42,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:19:42,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:19:42,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:19:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:19:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-25 02:19:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-25 02:19:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-25 02:19:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-25 02:19:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:19:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:19:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:19:42,755 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:19:42,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:19:42,911 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 02:19:42,911 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:19:42,968 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:19:42,968 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:19:42,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:19:42 BoogieIcfgContainer [2024-11-25 02:19:42,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:19:42,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:19:42,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:19:42,980 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:19:42,980 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:19:42" (1/1) ... [2024-11-25 02:19:42,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:19:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-25 02:19:43,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-25 02:19:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:19:43,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:19:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-11-25 02:19:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-25 02:19:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:19:43,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:43,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:19:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-11-25 02:19:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-25 02:19:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 02:19:43,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:19:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2024-11-25 02:19:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-11-25 02:19:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 02:19:44,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-25 02:19:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 63 transitions. [2024-11-25 02:19:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-25 02:19:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-25 02:19:44,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:44,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 02:19:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 46 transitions. [2024-11-25 02:19:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-25 02:19:44,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:19:44,905 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 02:19:44,913 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:19:44,979 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 20) the Hoare annotation is: true [2024-11-25 02:19:44,979 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 17 20) the Hoare annotation is: true [2024-11-25 02:19:44,979 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 22 25) the Hoare annotation is: true [2024-11-25 02:19:44,979 INFO L77 FloydHoareUtils]: At program point gEXIT(lines 22 25) the Hoare annotation is: true [2024-11-25 02:19:44,979 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L44-1(line 44) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L36-3(line 36) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L36-4(line 36) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L32-1(line 32) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 02:19:44,980 INFO L77 FloydHoareUtils]: At program point L36-5(lines 36 45) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 100000) [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L41-1(line 41) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L42-1(line 42) the Hoare annotation is: true [2024-11-25 02:19:44,981 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-11-25 02:19:44,982 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2024-11-25 02:19:44,982 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: true [2024-11-25 02:19:44,982 INFO L77 FloydHoareUtils]: At program point L43-1(line 43) the Hoare annotation is: true [2024-11-25 02:19:44,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:19:44 ImpRootNode [2024-11-25 02:19:44,995 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:19:44,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:19:44,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:19:44,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:19:44,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:19:42" (3/4) ... [2024-11-25 02:19:44,998 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:19:45,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-25 02:19:45,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-25 02:19:45,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-25 02:19:45,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-25 02:19:45,007 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:19:45,008 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:19:45,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:19:45,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:19:45,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:19:45,095 INFO L158 Benchmark]: Toolchain (without parser) took 2837.09ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 63.4MB in the end (delta: 29.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-25 02:19:45,095 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:19:45,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.62ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:45,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:19:45,096 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 889.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:45,096 INFO L158 Benchmark]: RCFGBuilder took 370.84ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 65.7MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:45,096 INFO L158 Benchmark]: CodeCheck took 2025.17ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 68.5MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:19:45,097 INFO L158 Benchmark]: Witness Printer took 96.84ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 63.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:45,100 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 3 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 359 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 250 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1369 SyntacticMatches, 22 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 301/332 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 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.62ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.09ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 889.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 370.84ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 65.7MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2025.17ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 68.5MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.84ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 63.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:19:45,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435aa2d9-c716-476b-9c1e-e26b1d2e393e/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 Result: TRUE