./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_good.i --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_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB --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 6d08d35a3f03a76a889bfef584930aaaf50313998986c62813d5235c23e6dae3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:17:50,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:17:50,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-27 23:17:50,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:17:50,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:17:50,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:17:50,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:17:50,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:17:50,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:17:50,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:17:50,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:17:50,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:17:50,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:17:50,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:17:50,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:17:50,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:17:50,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:17:50,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:17:50,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:17:50,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:17:50,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:17:50,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:17:50,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:17:50,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:17:50,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:17:50,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:17:50,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:17:50,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:17:50,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:17:50,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:17:50,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:17:50,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:17:50,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:17:50,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:17:50,682 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:17:50,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:17:50,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:17:50,684 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_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6d08d35a3f03a76a889bfef584930aaaf50313998986c62813d5235c23e6dae3 [2024-11-27 23:17:51,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:17:51,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:17:51,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:17:51,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:17:51,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:17:51,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_good.i [2024-11-27 23:17:54,024 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/data/f8c9a9258/7f69885a869947d899e51e0e1479a9d4/FLAGdc9aae466 [2024-11-27 23:17:54,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:17:54,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_good.i [2024-11-27 23:17:54,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/data/f8c9a9258/7f69885a869947d899e51e0e1479a9d4/FLAGdc9aae466 [2024-11-27 23:17:54,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/data/f8c9a9258/7f69885a869947d899e51e0e1479a9d4 [2024-11-27 23:17:54,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:17:54,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:17:54,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:54,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:17:54,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:17:54,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:54" (1/1) ... [2024-11-27 23:17:54,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6c574b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:54, skipping insertion in model container [2024-11-27 23:17:54,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:54" (1/1) ... [2024-11-27 23:17:54,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:17:55,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:55,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:17:55,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:55,959 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:17:55,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55 WrapperNode [2024-11-27 23:17:55,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:55,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:55,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:17:55,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:17:55,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:55,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,017 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-27 23:17:56,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:56,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:17:56,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:17:56,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:17:56,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,039 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 23:17:56,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,044 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:17:56,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:17:56,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:17:56,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:17:56,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (1/1) ... [2024-11-27 23:17:56,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:17:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:56,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:17:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-27 23:17:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-27 23:17:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-27 23:17:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-27 23:17:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:17:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:17:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:17:56,319 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:17:56,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:17:56,441 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-27 23:17:56,441 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:17:56,453 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:17:56,454 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-27 23:17:56,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:56 BoogieIcfgContainer [2024-11-27 23:17:56,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:17:56,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:17:56,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:17:56,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:17:56,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:17:54" (1/3) ... [2024-11-27 23:17:56,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c7de7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:17:56, skipping insertion in model container [2024-11-27 23:17:56,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:55" (2/3) ... [2024-11-27 23:17:56,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c7de7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:17:56, skipping insertion in model container [2024-11-27 23:17:56,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:56" (3/3) ... [2024-11-27 23:17:56,464 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_16_good.i [2024-11-27 23:17:56,479 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:17:56,480 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_postdec_16_good.i that has 3 procedures, 36 locations, 1 initial locations, 4 loop locations, and 4 error locations. [2024-11-27 23:17:56,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:17:56,566 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;@1327106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:17:56,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 23:17:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 23:17:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 23:17:56,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:56,579 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:56,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:17:56,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:56,587 INFO L85 PathProgramCache]: Analyzing trace with hash -215379662, now seen corresponding path program 1 times [2024-11-27 23:17:56,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:56,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518002914] [2024-11-27 23:17:56,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:56,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518002914] [2024-11-27 23:17:56,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518002914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:56,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:56,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:17:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813579300] [2024-11-27 23:17:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:56,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:17:56,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:56,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:17:56,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:17:56,798 INFO L87 Difference]: Start difference. First operand has 36 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:17:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:56,817 INFO L93 Difference]: Finished difference Result 67 states and 88 transitions. [2024-11-27 23:17:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:17:56,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-27 23:17:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:56,825 INFO L225 Difference]: With dead ends: 67 [2024-11-27 23:17:56,825 INFO L226 Difference]: Without dead ends: 27 [2024-11-27 23:17:56,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:17:56,831 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:56,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:17:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-27 23:17:56,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-27 23:17:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 23:17:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2024-11-27 23:17:56,867 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 11 [2024-11-27 23:17:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:56,869 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2024-11-27 23:17:56,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:17:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2024-11-27 23:17:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 23:17:56,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:56,870 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:56,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:17:56,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:17:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash -215377740, now seen corresponding path program 1 times [2024-11-27 23:17:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308879389] [2024-11-27 23:17:56,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:17:56,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:56,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308879389] [2024-11-27 23:17:56,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308879389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:56,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:56,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:17:56,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736669390] [2024-11-27 23:17:56,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:56,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:17:56,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:56,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:17:56,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:17:56,971 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:17:56,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:56,987 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2024-11-27 23:17:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:17:56,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-27 23:17:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:56,988 INFO L225 Difference]: With dead ends: 34 [2024-11-27 23:17:56,988 INFO L226 Difference]: Without dead ends: 18 [2024-11-27 23:17:56,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:17:56,989 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:56,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:17:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-27 23:17:56,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-27 23:17:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:17:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-27 23:17:57,000 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 11 [2024-11-27 23:17:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:57,000 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-27 23:17:57,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 23:17:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-27 23:17:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 23:17:57,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:57,001 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:57,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:17:57,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:17:57,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -922103898, now seen corresponding path program 1 times [2024-11-27 23:17:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:57,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383319234] [2024-11-27 23:17:57,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:17:57,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:57,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383319234] [2024-11-27 23:17:57,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383319234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:57,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:57,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:17:57,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348129875] [2024-11-27 23:17:57,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:57,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:17:57,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:57,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:17:57,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:57,101 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:17:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:57,130 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-27 23:17:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:17:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-27 23:17:57,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:57,132 INFO L225 Difference]: With dead ends: 18 [2024-11-27 23:17:57,132 INFO L226 Difference]: Without dead ends: 17 [2024-11-27 23:17:57,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:57,133 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:57,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:17:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-27 23:17:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-27 23:17:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:17:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2024-11-27 23:17:57,138 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 19 [2024-11-27 23:17:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:57,138 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-11-27 23:17:57,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:17:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-27 23:17:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-27 23:17:57,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:57,139 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:57,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:17:57,140 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-27 23:17:57,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:57,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1479550338, now seen corresponding path program 1 times [2024-11-27 23:17:57,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:57,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560043036] [2024-11-27 23:17:57,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:57,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:17:57,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:57,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560043036] [2024-11-27 23:17:57,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560043036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:57,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:57,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:17:57,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706707185] [2024-11-27 23:17:57,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:57,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:17:57,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:57,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:17:57,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:57,227 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:17:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:57,243 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-11-27 23:17:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:17:57,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-27 23:17:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:57,244 INFO L225 Difference]: With dead ends: 17 [2024-11-27 23:17:57,244 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:17:57,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:57,246 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:57,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:17:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:17:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:17:57,247 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) [2024-11-27 23:17:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:17:57,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-27 23:17:57,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:57,247 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:17:57,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 23:17:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:17:57,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:17:57,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-27 23:17:57,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-27 23:17:57,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-27 23:17:57,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-27 23:17:57,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:17:57,254 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 23:17:57,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:17:57,302 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:17:57,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:17:57 BoogieIcfgContainer [2024-11-27 23:17:57,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:17:57,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:17:57,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:17:57,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:17:57,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:56" (3/4) ... [2024-11-27 23:17:57,326 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:17:57,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-27 23:17:57,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-27 23:17:57,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 23:17:57,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 23:17:57,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:17:57,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:17:57,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:17:57,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:17:57,433 INFO L158 Benchmark]: Toolchain (without parser) took 2838.40ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 43.2MB in the end (delta: 57.9MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-27 23:17:57,433 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:57,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1363.91ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 40.8MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-27 23:17:57,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.53ms. Allocated memory is still 142.6MB. Free memory was 40.8MB in the beginning and 38.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:17:57,434 INFO L158 Benchmark]: Boogie Preprocessor took 33.16ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 36.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:57,435 INFO L158 Benchmark]: RCFGBuilder took 398.26ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 92.5MB in the end (delta: -55.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-27 23:17:57,436 INFO L158 Benchmark]: TraceAbstraction took 863.37ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 48.5MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 23:17:57,437 INFO L158 Benchmark]: Witness Printer took 111.88ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 43.2MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:57,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1363.91ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 40.8MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.53ms. Allocated memory is still 142.6MB. Free memory was 40.8MB in the beginning and 38.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.16ms. Allocated memory is still 142.6MB. Free memory was 38.1MB in the beginning and 36.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.26ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 92.5MB in the end (delta: -55.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 863.37ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 48.5MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 111.88ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 43.2MB in the end (delta: 5.4MB). 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: 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 3 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 2, 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, 157 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 88 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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 4 specifications checked. All of them hold - InvariantResult [Line: 1581]: Loop Invariant Derived loop invariant: (((long) data + 2) == 0) - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: (0 <= ((long) data + 2)) - InvariantResult [Line: 1559]: Loop Invariant Derived loop invariant: ((data + 2147483648) <= 0) RESULT: Ultimate proved your program to be correct! [2024-11-27 23:17:57,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa9116e-2aa7-4c30-9c0f-53d4957692cf/bin/uautomizer-verify-aQ6SnzHsRB/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