./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:13:55,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:13:55,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:13:55,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:13:55,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:13:55,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:13:55,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:13:55,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:13:55,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:13:55,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:13:55,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:13:55,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:13:55,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:13:55,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:13:55,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:13:55,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:13:55,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:13:55,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:55,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:55,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:55,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:55,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:13:55,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:55,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:13:55,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:13:55,655 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 [2024-11-23 23:13:56,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:13:56,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:13:56,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:13:56,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:13:56,027 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:13:56,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2024-11-23 23:13:59,794 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/data/f59bdb088/d3c74c73ec814bc6810ef58c8b5f1ea3/FLAG03dee124b [2024-11-23 23:14:00,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:14:00,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2024-11-23 23:14:00,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/data/f59bdb088/d3c74c73ec814bc6810ef58c8b5f1ea3/FLAG03dee124b [2024-11-23 23:14:00,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/data/f59bdb088/d3c74c73ec814bc6810ef58c8b5f1ea3 [2024-11-23 23:14:00,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:14:00,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:14:00,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:00,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:14:00,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:14:00,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4b3356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00, skipping insertion in model container [2024-11-23 23:14:00,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:14:00,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:00,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:14:00,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:14:00,502 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:14:00,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00 WrapperNode [2024-11-23 23:14:00,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:14:00,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:00,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:14:00,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:14:00,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,547 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-23 23:14:00,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:14:00,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:14:00,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:14:00,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:14:00,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,571 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:14:00,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:14:00,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:14:00,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:14:00,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:14:00,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (1/1) ... [2024-11-23 23:14:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:14:00,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:14:00,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:14:00,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:14:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:14:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:14:00,769 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:14:00,772 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:14:00,869 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-23 23:14:00,871 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:14:00,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:14:00,892 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:14:00,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:00 BoogieIcfgContainer [2024-11-23 23:14:00,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:14:00,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:14:00,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:14:00,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:14:00,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:14:00" (1/3) ... [2024-11-23 23:14:00,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3521c5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:00, skipping insertion in model container [2024-11-23 23:14:00,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:14:00" (2/3) ... [2024-11-23 23:14:00,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3521c5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:14:00, skipping insertion in model container [2024-11-23 23:14:00,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:00" (3/3) ... [2024-11-23 23:14:00,913 INFO L128 eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-TACAS2011-Fig1.c [2024-11-23 23:14:00,934 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:14:00,936 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG PodelskiRybalchenko-TACAS2011-Fig1.c that has 1 procedures, 11 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-23 23:14:01,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:14:01,039 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@aa51596, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:14:01,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 23:14:01,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-23 23:14:01,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:01,056 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-23 23:14:01,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 23:14:01,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:01,070 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-23 23:14:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:01,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919398750] [2024-11-23 23:14:01,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:01,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:14:01,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919398750] [2024-11-23 23:14:01,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919398750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:01,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:01,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:14:01,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176224836] [2024-11-23 23:14:01,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:01,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:01,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:01,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:01,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:01,341 INFO L87 Difference]: Start difference. First operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:01,394 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-23 23:14:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:01,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-23 23:14:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:01,405 INFO L225 Difference]: With dead ends: 15 [2024-11-23 23:14:01,406 INFO L226 Difference]: Without dead ends: 6 [2024-11-23 23:14:01,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:01,415 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:01,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:01,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-11-23 23:14:01,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-23 23:14:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-23 23:14:01,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2024-11-23 23:14:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:01,464 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2024-11-23 23:14:01,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-23 23:14:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 23:14:01,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:14:01,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 23:14:01,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:14:01,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 23:14:01,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:14:01,469 INFO L85 PathProgramCache]: Analyzing trace with hash 28696838, now seen corresponding path program 1 times [2024-11-23 23:14:01,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:14:01,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924406862] [2024-11-23 23:14:01,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:14:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:14:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:14:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:14:01,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:14:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924406862] [2024-11-23 23:14:01,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924406862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:14:01,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:14:01,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:14:01,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214547057] [2024-11-23 23:14:01,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:14:01,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:14:01,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:14:01,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:14:01,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:01,548 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:14:01,558 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2024-11-23 23:14:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:14:01,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-23 23:14:01,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:14:01,560 INFO L225 Difference]: With dead ends: 6 [2024-11-23 23:14:01,560 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:14:01,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:14:01,561 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:14:01,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:14:01,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:14:01,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:14:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:14:01,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-23 23:14:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:14:01,564 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:14:01,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:14:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:14:01,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:14:01,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 23:14:01,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 23:14:01,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:14:01,573 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 23:14:01,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:14:01,603 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:14:01,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:14:01 BoogieIcfgContainer [2024-11-23 23:14:01,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:14:01,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:14:01,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:14:01,626 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:14:01,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:14:00" (3/4) ... [2024-11-23 23:14:01,631 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:14:01,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:14:01,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:14:01,641 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:14:01,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:14:01,755 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:14:01,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:14:01,757 INFO L158 Benchmark]: Toolchain (without parser) took 1563.08ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.7MB in the beginning and 49.2MB in the end (delta: 95.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:14:01,758 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:01,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.47ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.7MB in the beginning and 84.3MB in the end (delta: 60.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:14:01,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.72ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 845.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:01,761 INFO L158 Benchmark]: Boogie Preprocessor took 38.30ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 784.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:01,761 INFO L158 Benchmark]: RCFGBuilder took 305.58ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 74.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:14:01,762 INFO L158 Benchmark]: TraceAbstraction took 726.67ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 53.2MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:14:01,762 INFO L158 Benchmark]: Witness Printer took 130.08ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 49.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:14:01,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.47ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.7MB in the beginning and 84.3MB in the end (delta: 60.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.72ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 845.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.30ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.6MB in the end (delta: 784.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.58ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 74.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 726.67ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 53.2MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 130.08ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 49.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 9 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (y <= 2147483647) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:14:01,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc8e214-7060-45e7-b400-54447b226b1b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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