./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.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_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/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_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/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_acee60a3-9d63-4dbb-be70-342f4e872bc9/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 f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:58:55,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:58:55,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:58:55,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:58:55,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:58:55,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:58:55,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:58:55,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:58:55,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:58:55,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:58:55,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:58:55,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:58:55,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:58:55,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:58:55,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:58:55,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:58:55,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:58:55,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:58:55,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:58:55,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:58:55,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:58:55,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:58:55,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:58:55,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:58:55,796 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_acee60a3-9d63-4dbb-be70-342f4e872bc9/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 -> f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 [2024-12-06 05:58:56,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:58:56,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:58:56,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:58:56,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:58:56,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:58:56,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2024-12-06 05:58:58,632 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/data/e2eb64ed9/530bcbcea4554ef980cc3eae26de0cee/FLAGe778e8f79 [2024-12-06 05:58:58,802 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:58:58,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2024-12-06 05:58:58,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/data/e2eb64ed9/530bcbcea4554ef980cc3eae26de0cee/FLAGe778e8f79 [2024-12-06 05:58:58,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/data/e2eb64ed9/530bcbcea4554ef980cc3eae26de0cee [2024-12-06 05:58:58,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:58:58,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:58:58,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:58:58,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:58:58,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:58:58,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:58,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115fe4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58, skipping insertion in model container [2024-12-06 05:58:58,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:58,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:58:58,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:58:58,967 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:58:58,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:58:58,989 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:58:58,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58 WrapperNode [2024-12-06 05:58:58,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:58:58,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:58:58,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:58:58,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:58:58,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,013 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-12-06 05:58:59,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:58:59,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:58:59,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:58:59,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:58:59,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:58:59,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:58:59,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:58:59,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:58:59,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:58" (1/1) ... [2024-12-06 05:58:59,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:58:59,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:58:59,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:58:59,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:58:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:58:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:58:59,129 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:58:59,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:58:59,200 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 05:58:59,201 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:59,224 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:59,224 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:58:59,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:59 BoogieIcfgContainer [2024-12-06 05:58:59,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:59,225 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:59,225 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:59,232 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:59,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:59" (1/1) ... [2024-12-06 05:58:59,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 05:58:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 05:58:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:58:59,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:59,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:59,385 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 05:58:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 05:58:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 05:58:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:58:59,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:59,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:59,459 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 05:58:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 05:58:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 05:58:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:58:59,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:59,594 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 05:58:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-12-06 05:58:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-06 05:58:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:58:59,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:59,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:59,754 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 05:58:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 05:58:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 05:58:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:58:59,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:59,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:59,927 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 05:59:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 05:59:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 05:59:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:59:00,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:00,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:59:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 05:59:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 05:59:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:59:00,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:00,209 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 05:59:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 05:59:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 05:59:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:59:00,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:00,371 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 05:59:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 05:59:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 05:59:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:59:00,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:00,485 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 05:59:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-06 05:59:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-06 05:59:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:59:00,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:00,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:00,598 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 05:59:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 05:59:00,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 05:59:00,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:59:00,709 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-06 05:59:00,716 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 05:59:00,854 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-12-06 05:59:00,854 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:59:00,854 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L11-1(lines 11 13) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and .cse0 .cse1 (< 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1073741823)) (and .cse0 (<= 1 |ULTIMATE.start_main_~y~0#1|) .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1)))) [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L11-3(lines 11 13) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L11-4(lines 11 13) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L9-3(lines 9 15) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 05:59:00,855 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-12-06 05:59:00,855 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 05:59:00,855 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 1073741823)) [2024-12-06 05:59:00,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:59:00 ImpRootNode [2024-12-06 05:59:00,865 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:59:00,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:59:00,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:59:00,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:59:00,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:59" (3/4) ... [2024-12-06 05:59:00,869 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:59:00,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 05:59:00,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 05:59:00,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 05:59:00,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:59:00,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:59:00,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:59:00,940 INFO L158 Benchmark]: Toolchain (without parser) took 2118.08ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 51.3MB in the end (delta: 66.1MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-12-06 05:59:00,940 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:59:00,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.05ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:59:00,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.17ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:59:00,941 INFO L158 Benchmark]: Boogie Preprocessor took 14.67ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.7MB in the end (delta: 595.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:59:00,941 INFO L158 Benchmark]: RCFGBuilder took 195.82ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:59:00,941 INFO L158 Benchmark]: CodeCheck took 1640.57ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 55.7MB in the end (delta: 39.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-12-06 05:59:00,941 INFO L158 Benchmark]: Witness Printer took 72.86ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 51.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:59:00,943 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: 1.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 183 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 823 IncrementalHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 183 mSolverCounterUnsat, 10 mSDtfsCounter, 823 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 514 SyntacticMatches, 26 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 16/16 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: 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: 14]: 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: 9]: Loop Invariant Derived loop invariant: (x <= 2147483647) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((0 <= x) && (x <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.05ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.17ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.67ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.7MB in the end (delta: 595.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 195.82ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1640.57ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 55.7MB in the end (delta: 39.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Witness Printer took 72.86ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 51.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:59:00,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acee60a3-9d63-4dbb-be70-342f4e872bc9/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