./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.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_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/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_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/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_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/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 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:31:21,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:31:21,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:31:21,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:31:21,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:31:21,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:31:21,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:31:21,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:31:21,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:31:21,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:31:21,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:31:21,581 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:31:21,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:31:21,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:31:21,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:31:21,584 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:31:21,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:31:21,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:31:21,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:21,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:31:21,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:31:21,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:31:21,586 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_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/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 -> 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c [2024-11-25 02:31:21,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:31:21,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:31:21,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:31:21,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:31:21,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:31:21,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-11-25 02:31:24,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/data/ee5c3359e/9558a06315ab4b91a7eb5b3f7f419b1d/FLAG6417db9ee [2024-11-25 02:31:25,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:31:25,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-11-25 02:31:25,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/data/ee5c3359e/9558a06315ab4b91a7eb5b3f7f419b1d/FLAG6417db9ee [2024-11-25 02:31:25,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/data/ee5c3359e/9558a06315ab4b91a7eb5b3f7f419b1d [2024-11-25 02:31:25,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:31:25,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:31:25,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:25,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:31:25,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:31:25,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585bf605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25, skipping insertion in model container [2024-11-25 02:31:25,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:31:25,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:25,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:31:25,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:25,514 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:31:25,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25 WrapperNode [2024-11-25 02:31:25,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:25,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:25,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:31:25,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:31:25,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,548 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-11-25 02:31:25,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:25,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:31:25,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:31:25,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:31:25,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:31:25,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:31:25,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:31:25,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:31:25,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:31:25,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:31:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:31:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:31:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:31:25,739 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:31:25,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:31:25,874 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 02:31:25,874 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:31:25,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:31:25,933 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:31:25,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:25 BoogieIcfgContainer [2024-11-25 02:31:25,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:31:25,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:31:25,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:31:25,949 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:31:25,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:25" (1/1) ... [2024-11-25 02:31:25,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:31:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-25 02:31:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-25 02:31:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:31:26,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:26,166 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 02:31:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:31:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:31:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:31:26,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 02:31:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 02:31:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:31:26,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:26,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:31:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:31:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:31:26,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:26,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:31:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 02:31:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 02:31:26,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:31:26,732 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:31:26,740 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:31:26,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-25 02:31:26,817 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:31:26,817 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~x~0#1| 1))) (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= .cse0 0)) (and (< 0 .cse0) (<= |ULTIMATE.start_main_~x~0#1| 9)))) [2024-11-25 02:31:26,818 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) [2024-11-25 02:31:26,818 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:31:26,818 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 27) the Hoare annotation is: true [2024-11-25 02:31:26,818 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-25 02:31:26,818 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 24) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~x~0#1| 1))) (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= .cse0 0)) (and (< 0 .cse0) (<= |ULTIMATE.start_main_~x~0#1| 9)))) [2024-11-25 02:31:26,818 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 24) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) [2024-11-25 02:31:26,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:31:26 ImpRootNode [2024-11-25 02:31:26,829 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:31:26,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:31:26,830 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:31:26,830 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:31:26,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:25" (3/4) ... [2024-11-25 02:31:26,833 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:31:26,842 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 02:31:26,843 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:31:26,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:31:26,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:31:26,928 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:31:26,928 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:31:26,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:31:26,931 INFO L158 Benchmark]: Toolchain (without parser) took 1681.88ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 40.8MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 02:31:26,931 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:26,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.59ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 89.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:26,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:26,932 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.7MB in the end (delta: 649.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:26,934 INFO L158 Benchmark]: RCFGBuilder took 357.57ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 76.6MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:31:26,935 INFO L158 Benchmark]: CodeCheck took 894.49ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 45.4MB in the end (delta: 31.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:31:26,935 INFO L158 Benchmark]: Witness Printer took 98.90ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 40.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:26,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 5/5 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 <= (x + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.59ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 89.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.4MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.7MB in the end (delta: 649.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.57ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 76.6MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 894.49ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 45.4MB in the end (delta: 31.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 98.90ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 40.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:31:26,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9084d03-a4fd-4dc4-9ff0-4fb25436afa4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE