./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i --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_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b --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 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:29:31,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:29:31,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:29:31,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:29:31,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:29:31,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:29:31,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:29:31,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:29:31,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:29:31,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:29:31,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:29:31,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:29:31,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:29:31,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:29:31,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:31,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:29:31,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:29:31,388 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_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b 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 -> 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 [2024-12-05 22:29:31,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:29:31,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:29:31,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:29:31,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:29:31,633 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:29:31,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-12-05 22:29:34,232 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/data/5b56c6247/bf709ffa46a24f4fba6043cee0243d36/FLAGcdf310cee [2024-12-05 22:29:34,429 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:29:34,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-12-05 22:29:34,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/data/5b56c6247/bf709ffa46a24f4fba6043cee0243d36/FLAGcdf310cee [2024-12-05 22:29:34,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/data/5b56c6247/bf709ffa46a24f4fba6043cee0243d36 [2024-12-05 22:29:34,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:29:34,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:29:34,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:34,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:29:34,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:29:34,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c822425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34, skipping insertion in model container [2024-12-05 22:29:34,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:29:34,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:34,920 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:29:34,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:34,940 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:29:34,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34 WrapperNode [2024-12-05 22:29:34,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:34,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:34,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:29:34,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:29:34,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,961 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-12-05 22:29:34,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:34,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:29:34,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:29:34,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:29:34,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:29:34,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:29:34,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:29:34,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:29:34,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:34" (1/1) ... [2024-12-05 22:29:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:34,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:29:35,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:29:35,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:29:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:29:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:29:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:29:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:29:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:29:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:29:35,069 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:29:35,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:29:35,150 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:29:35,150 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:29:35,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:29:35,179 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:29:35,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:35 BoogieIcfgContainer [2024-12-05 22:29:35,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:29:35,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:29:35,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:29:35,187 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:29:35,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:35" (1/1) ... [2024-12-05 22:29:35,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:29:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 22:29:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 22:29:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:29:35,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 22:29:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 22:29:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:29:35,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:29:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-12-05 22:29:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-05 22:29:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:29:35,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:29:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 21 transitions. [2024-12-05 22:29:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 22:29:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:29:35,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 22:29:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 20 transitions. [2024-12-05 22:29:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 22:29:35,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:29:35,756 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 22:29:35,763 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) the Hoare annotation is: true [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point L19-1(lines 16 20) the Hoare annotation is: true [2024-12-05 22:29:35,797 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point L16-1(lines 16 20) the Hoare annotation is: (<= |ULTIMATE.start_main_~v~0#1| 50) [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point L16-3(lines 16 20) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-12-05 22:29:35,798 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-12-05 22:29:35,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:29:35 ImpRootNode [2024-12-05 22:29:35,809 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:29:35,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:29:35,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:29:35,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:29:35,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:35" (3/4) ... [2024-12-05 22:29:35,812 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:29:35,814 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:29:35,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 22:29:35,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 22:29:35,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:29:35,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:29:35,874 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:29:35,875 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:29:35,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:29:35,876 INFO L158 Benchmark]: Toolchain (without parser) took 1079.09ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 55.0MB in the end (delta: 62.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:29:35,876 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:35,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.99ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:29:35,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.25ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.8MB in the end (delta: 819.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:35,877 INFO L158 Benchmark]: Boogie Preprocessor took 13.42ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.9MB in the end (delta: 861.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:35,877 INFO L158 Benchmark]: RCFGBuilder took 203.44ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.2MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:29:35,877 INFO L158 Benchmark]: CodeCheck took 629.79ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 59.3MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:29:35,877 INFO L158 Benchmark]: Witness Printer took 65.17ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 55.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:35,879 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 48 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 19/19 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.99ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.25ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.8MB in the end (delta: 819.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.42ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.9MB in the end (delta: 861.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 203.44ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.2MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 629.79ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 59.3MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 65.17ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 55.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:29:35,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30f0b227-970e-437b-a0c5-8166c6bb90f2/bin/ukojak-verify-CZk0znPC7b/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