./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/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_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/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 64bit --witnessprinter.graph.data.programhash fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:58:22,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:58:22,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:58:22,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:58:22,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:58:22,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:58:22,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:58:22,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:58:22,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:58:22,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:58:22,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:58:22,563 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:58:22,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:58:22,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:58:22,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:58:22,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:58:22,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:58:22,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:58:22,564 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:58:22,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:58:22,564 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_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b [2024-12-06 05:58:22,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:58:22,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:58:22,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:58:22,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:58:22,768 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:58:22,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/NO_01.c [2024-12-06 05:58:25,356 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/data/f704f5e7c/acb018563c0a43ab903aee6f6fe323b6/FLAG985df3983 [2024-12-06 05:58:25,558 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:58:25,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/sv-benchmarks/c/termination-restricted-15/NO_01.c [2024-12-06 05:58:25,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/data/f704f5e7c/acb018563c0a43ab903aee6f6fe323b6/FLAG985df3983 [2024-12-06 05:58:25,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/data/f704f5e7c/acb018563c0a43ab903aee6f6fe323b6 [2024-12-06 05:58:25,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:58:25,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:58:25,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:58:25,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:58:25,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:58:25,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:25" (1/1) ... [2024-12-06 05:58:25,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8aec23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:25, skipping insertion in model container [2024-12-06 05:58:25,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:25" (1/1) ... [2024-12-06 05:58:25,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:58:26,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:58:26,070 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:58:26,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:58:26,089 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:58:26,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26 WrapperNode [2024-12-06 05:58:26,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:58:26,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:58:26,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:58:26,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:58:26,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,107 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-12-06 05:58:26,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:58:26,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:58:26,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:58:26,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:58:26,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,114 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:58:26,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:58:26,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:58:26,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:58:26,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:58:26,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:58:26,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:58:26,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:58:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:58:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:58:26,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:58:26,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:58:26,319 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-06 05:58:26,319 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:26,341 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:26,341 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:58:26,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:26 BoogieIcfgContainer [2024-12-06 05:58:26,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:26,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:26,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:26,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:26,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:26" (1/1) ... [2024-12-06 05:58:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-12-06 05:58:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-12-06 05:58:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:58:26,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-06 05:58:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-06 05:58:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:58:26,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 05:58:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 05:58:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:58:26,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 05:58:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 05:58:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:58:26,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 05:58:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 05:58:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:58:26,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-06 05:58:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-06 05:58:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:58:26,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:58:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-06 05:58:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-06 05:58:26,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:58:26,859 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 05:58:26,866 INFO L726 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-12-06 05:58:26,887 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 05:58:26,887 INFO L77 FloydHoareUtils]: At program point L31-1(lines 31 33) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-06 05:58:26,887 INFO L77 FloydHoareUtils]: At program point L31-3(lines 31 33) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-06 05:58:26,887 INFO L75 FloydHoareUtils]: For program point L31-4(lines 10 35) no Hoare annotation was computed. [2024-12-06 05:58:26,887 INFO L75 FloydHoareUtils]: For program point L19-1(lines 19 21) no Hoare annotation was computed. [2024-12-06 05:58:26,887 INFO L75 FloydHoareUtils]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2024-12-06 05:58:26,887 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-12-06 05:58:26,887 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point L20(line 20) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point L12-1(lines 12 14) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point L12-3(lines 12 14) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point L25-1(lines 25 27) no Hoare annotation was computed. [2024-12-06 05:58:26,888 INFO L75 FloydHoareUtils]: For program point L25-3(lines 25 27) no Hoare annotation was computed. [2024-12-06 05:58:26,889 INFO L77 FloydHoareUtils]: At program point L17(lines 17 22) the Hoare annotation is: (<= 864 |ULTIMATE.start_main_~c~0#1|) [2024-12-06 05:58:26,889 INFO L77 FloydHoareUtils]: At program point L17-1(lines 16 35) the Hoare annotation is: (<= 864 |ULTIMATE.start_main_~c~0#1|) [2024-12-06 05:58:26,889 INFO L75 FloydHoareUtils]: For program point L13(line 13) no Hoare annotation was computed. [2024-12-06 05:58:26,889 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:58:26,889 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 05:58:26,889 INFO L75 FloydHoareUtils]: For program point L26(line 26) no Hoare annotation was computed. [2024-12-06 05:58:26,889 INFO L77 FloydHoareUtils]: At program point L10(lines 10 35) the Hoare annotation is: (<= 864 |ULTIMATE.start_main_~c~0#1|) [2024-12-06 05:58:26,889 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-12-06 05:58:26,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:58:26 ImpRootNode [2024-12-06 05:58:26,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:58:26,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:58:26,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:58:26,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:58:26,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:26" (3/4) ... [2024-12-06 05:58:26,904 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:58:26,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 05:58:26,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 05:58:26,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 05:58:26,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:58:26,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:58:26,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:58:26,981 INFO L158 Benchmark]: Toolchain (without parser) took 1039.62ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 39.6MB in the end (delta: 54.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 05:58:26,981 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:58:26,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.46ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:58:26,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.28ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.4MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:58:26,982 INFO L158 Benchmark]: Boogie Preprocessor took 14.02ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.7MB in the end (delta: 648.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:58:26,983 INFO L158 Benchmark]: RCFGBuilder took 218.94ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 71.4MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:58:26,983 INFO L158 Benchmark]: CodeCheck took 558.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 44.0MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:58:26,983 INFO L158 Benchmark]: Witness Printer took 79.54ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 39.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:58:26,985 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 60 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 237 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((i <= 0) && (0 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.46ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.28ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.4MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.02ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.7MB in the end (delta: 648.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.94ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 71.4MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 558.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 44.0MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 79.54ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 39.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:58:27,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f8e4ae-fed3-400f-ab86-20e92ce5ea45/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