./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.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_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:57:10,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:57:10,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:57:10,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:57:10,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:57:10,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:57:10,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:57:10,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:57:10,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:57:10,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:57:10,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:57:10,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:57:10,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:57:10,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:57:10,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:57:10,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:57:10,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:57:10,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:57:10,927 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:57:10,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:57:10,927 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_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5540e7c00ae01203970f19de551d88eb6a449c1f9370939c6165919b3f898bc8 [2024-11-25 03:57:11,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:57:11,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:57:11,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:57:11,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:57:11,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:57:11,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2024-11-25 03:57:14,557 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/data/3d8f413ad/53ff98d4010e4883baf645d9deee08b8/FLAG9610fc943 [2024-11-25 03:57:14,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:57:14,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2024-11-25 03:57:14,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/data/3d8f413ad/53ff98d4010e4883baf645d9deee08b8/FLAG9610fc943 [2024-11-25 03:57:14,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/data/3d8f413ad/53ff98d4010e4883baf645d9deee08b8 [2024-11-25 03:57:14,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:57:14,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:57:14,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:57:14,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:57:14,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:57:14,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:57:14" (1/1) ... [2024-11-25 03:57:14,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c80a2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:14, skipping insertion in model container [2024-11-25 03:57:14,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:57:14" (1/1) ... [2024-11-25 03:57:14,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:57:15,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:57:15,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:57:15,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:57:15,159 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:57:15,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15 WrapperNode [2024-11-25 03:57:15,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:57:15,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:57:15,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:57:15,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:57:15,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,191 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-25 03:57:15,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:57:15,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:57:15,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:57:15,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:57:15,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:57:15,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:57:15,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:57:15,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:57:15,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:57:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:57:15,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:57:15,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:57:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:57:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:57:15,378 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:57:15,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:57:15,479 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:57:15,479 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:57:15,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:57:15,517 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:57:15,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:15 BoogieIcfgContainer [2024-11-25 03:57:15,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:57:15,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:57:15,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:57:15,530 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:57:15,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:15" (1/1) ... [2024-11-25 03:57:15,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:57:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 03:57:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 03:57:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:57:15,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 03:57:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 03:57:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:57:15,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 03:57:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 03:57:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:57:15,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 03:57:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 03:57:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:57:16,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:16,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 03:57:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 03:57:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:57:16,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 03:57:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 03:57:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:57:16,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:57:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:57:16,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:57:16,431 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 03:57:16,440 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 03:57:16,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-25 03:57:16,482 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:57:16,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-25 03:57:16,485 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 254) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-25 03:57:16,485 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 254) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-25 03:57:16,486 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 254) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-25 03:57:16,486 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 254) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-25 03:57:16,486 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:57:16,486 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-25 03:57:16,487 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-25 03:57:16,487 INFO L77 FloydHoareUtils]: At program point L18(lines 18 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 254) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-25 03:57:16,487 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 23) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-11-25 03:57:16,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:57:16 ImpRootNode [2024-11-25 03:57:16,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:57:16,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:57:16,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:57:16,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:57:16,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:15" (3/4) ... [2024-11-25 03:57:16,506 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:57:16,515 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 03:57:16,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:57:16,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:57:16,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:57:16,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:57:16,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:57:16,613 INFO L158 Benchmark]: Toolchain (without parser) took 1688.93ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 89.1MB in the end (delta: 4.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 03:57:16,613 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:16,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.06ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 83.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:57:16,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.49ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:16,614 INFO L158 Benchmark]: Boogie Preprocessor took 25.58ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.0MB in the end (delta: 657.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:16,615 INFO L158 Benchmark]: RCFGBuilder took 299.72ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:57:16,615 INFO L158 Benchmark]: CodeCheck took 980.43ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 38.6MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:57:16,616 INFO L158 Benchmark]: Witness Printer took 112.48ms. Allocated memory is still 117.4MB. Free memory was 38.6MB in the beginning and 89.1MB in the end (delta: -50.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-25 03:57:16,618 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: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 24 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 15 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 17]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.06ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 83.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.49ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.58ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.0MB in the end (delta: 657.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.72ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 980.43ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 38.6MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 112.48ms. Allocated memory is still 117.4MB. Free memory was 38.6MB in the beginning and 89.1MB in the end (delta: -50.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:57:16,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c9b8f3-3563-41d0-b6d3-1f9e72f71e4b/bin/ukojak-verify-ENZ3QT5qd3/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