./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.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_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/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_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/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_6e659a76-159d-45a1-a577-8c19f23fd894/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 7dacefd51bf525e1f18311af2c5b989a40c07b1caf3a58b24e0820913f865011 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:14:04,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:14:04,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:14:04,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:14:04,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:14:04,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:14:04,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:14:04,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:14:04,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:14:04,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:14:04,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:14:04,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:14:04,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:14:04,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:14:04,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:14:04,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:14:04,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:14:04,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:04,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:14:04,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:14:04,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:14:04,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:14:04,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:14:04,966 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_6e659a76-159d-45a1-a577-8c19f23fd894/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 -> 7dacefd51bf525e1f18311af2c5b989a40c07b1caf3a58b24e0820913f865011 [2024-12-06 03:14:05,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:14:05,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:14:05,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:14:05,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:14:05,210 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:14:05,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/a.01.c [2024-12-06 03:14:07,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/data/0fef2f67c/e171e50217ca4e31812f4880c917fd9f/FLAG51d7d79d3 [2024-12-06 03:14:07,986 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:14:07,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/sv-benchmarks/c/termination-restricted-15/a.01.c [2024-12-06 03:14:07,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/data/0fef2f67c/e171e50217ca4e31812f4880c917fd9f/FLAG51d7d79d3 [2024-12-06 03:14:08,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/data/0fef2f67c/e171e50217ca4e31812f4880c917fd9f [2024-12-06 03:14:08,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:14:08,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:14:08,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:08,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:14:08,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:14:08,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761084a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08, skipping insertion in model container [2024-12-06 03:14:08,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:14:08,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:08,516 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:14:08,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:08,537 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:14:08,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08 WrapperNode [2024-12-06 03:14:08,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:08,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:08,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:14:08,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:14:08,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,557 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-06 03:14:08,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:08,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:14:08,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:14:08,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:14:08,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:14:08,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:14:08,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:14:08,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:14:08,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:14:08,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:14:08,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:14:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:14:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:14:08,670 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:14:08,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:14:08,734 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:14:08,735 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:14:08,757 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:14:08,757 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:14:08,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:08 BoogieIcfgContainer [2024-12-06 03:14:08,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:14:08,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:14:08,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:14:08,767 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:14:08,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:08" (1/1) ... [2024-12-06 03:14:08,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:14:08,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 03:14:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 03:14:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:14:08,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:08,943 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 03:14:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 03:14:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 03:14:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:14:08,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:08,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,024 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 03:14:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 03:14:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 03:14:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:14:09,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,150 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 03:14:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 03:14:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 03:14:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:14:09,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:14:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 03:14:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 03:14:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:14:09,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:14:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 03:14:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 03:14:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:14:09,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:14:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 03:14:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 03:14:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:14:09,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:14:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 03:14:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 03:14:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:14:10,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:10,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:14:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 03:14:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 03:14:10,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:14:10,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:10,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:14:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 03:14:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 03:14:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:14:10,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:14:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 03:14:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 03:14:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:14:10,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:14:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 03:14:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 03:14:10,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:14:10,836 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-06 03:14:10,844 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 03:14:11,084 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 03:14:11,084 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:14:11,084 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-12-06 03:14:11,085 INFO L77 FloydHoareUtils]: At program point L13-1(lines 13 15) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~x~0#1|)) (and (< 0 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1)) (and .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (< 1 |ULTIMATE.start_main_~y~0#1|) .cse1))) [2024-12-06 03:14:11,085 INFO L77 FloydHoareUtils]: At program point L13-3(lines 13 15) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_main_~y~0#1| 1)) (.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= .cse1 |ULTIMATE.start_main_~x~0#1|)) (and (< |ULTIMATE.start_main_~x~0#1| .cse1) .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|)))) [2024-12-06 03:14:11,085 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:14:11,085 INFO L77 FloydHoareUtils]: At program point L13-4(lines 13 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 03:14:11,085 INFO L77 FloydHoareUtils]: At program point L11-3(lines 11 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 03:14:11,085 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 03:14:11,085 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-12-06 03:14:11,086 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 03:14:11,086 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~x~0#1|)) (and (< 0 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1)) (and .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (< 1 |ULTIMATE.start_main_~y~0#1|) .cse1))) [2024-12-06 03:14:11,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:14:11 ImpRootNode [2024-12-06 03:14:11,096 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:14:11,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:14:11,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:14:11,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:14:11,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:08" (3/4) ... [2024-12-06 03:14:11,098 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:14:11,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 03:14:11,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:14:11,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:14:11,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:14:11,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:14:11,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:14:11,162 INFO L158 Benchmark]: Toolchain (without parser) took 2780.14ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 93.3MB in the beginning and 173.3MB in the end (delta: -80.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-12-06 03:14:11,162 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:11,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.48ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:14:11,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.90ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.1MB in the end (delta: 997.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:11,163 INFO L158 Benchmark]: Boogie Preprocessor took 12.85ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 597.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:11,163 INFO L158 Benchmark]: RCFGBuilder took 185.82ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:14:11,164 INFO L158 Benchmark]: CodeCheck took 2337.92ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 36.3MB in the end (delta: 35.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-12-06 03:14:11,164 INFO L158 Benchmark]: Witness Printer took 65.35ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 36.3MB in the beginning and 173.3MB in the end (delta: -137.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-12-06 03:14:11,166 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 265 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1020 IncrementalHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 265 mSolverCounterUnsat, 31 mSDtfsCounter, 1020 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 648 SyntacticMatches, 43 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2007 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 38/51 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((x <= 2147483647) && (0 <= y)) && (((long) y + 1) <= x)) || (((x < ((long) y + 1)) && (x <= 2147483647)) && (1 <= x))) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (x <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.48ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.90ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.1MB in the end (delta: 997.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.85ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 597.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.82ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2337.92ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 36.3MB in the end (delta: 35.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 65.35ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 36.3MB in the beginning and 173.3MB in the end (delta: -137.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:14:11,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e659a76-159d-45a1-a577-8c19f23fd894/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