./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:56:31,784 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:56:31,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 22:56:31,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:56:31,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:56:31,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:56:31,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:56:31,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:56:31,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:56:31,942 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:56:31,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:56:31,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:56:31,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:56:31,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:56:31,943 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:56:31,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:56:31,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:56:31,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:56:31,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:56:31,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:56:31,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:56:31,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:56:31,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:56:31,946 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b
[2024-11-07 22:56:32,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:56:32,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:56:32,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:56:32,259 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:56:32,259 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:56:32,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:33,552 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:56:33,896 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:56:33,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:33,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08d6af6df/5219e201064649c6bb7cc5e97f0851c9/FLAG037ac4150
[2024-11-07 22:56:34,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08d6af6df/5219e201064649c6bb7cc5e97f0851c9
[2024-11-07 22:56:34,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:56:34,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:56:34,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:56:34,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:56:34,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:56:34,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:34,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200fad93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34, skipping insertion in model container
[2024-11-07 22:56:34,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:34,174 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:56:34,746 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:56:34,758 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:56:34,859 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:56:34,967 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:56:34,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34 WrapperNode
[2024-11-07 22:56:34,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:56:34,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:56:34,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:56:34,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:56:34,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,018 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107
[2024-11-07 22:56:35,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:56:35,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:56:35,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:56:35,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:56:35,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,039 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-07 22:56:35,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:56:35,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:56:35,065 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:56:35,065 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:56:35,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (1/1) ...
[2024-11-07 22:56:35,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:56:35,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:56:35,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:56:35,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:56:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:56:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:56:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:56:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:56:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:56:35,281 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:56:35,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:56:35,541 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live.
[2024-11-07 22:56:35,541 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:56:35,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:56:35,549 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:56:35,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:35 BoogieIcfgContainer
[2024-11-07 22:56:35,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:56:35,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:56:35,552 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:56:35,556 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:56:35,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:56:34" (1/3) ...
[2024-11-07 22:56:35,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac90d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:35, skipping insertion in model container
[2024-11-07 22:56:35,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:34" (2/3) ...
[2024-11-07 22:56:35,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac90d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:35, skipping insertion in model container
[2024-11-07 22:56:35,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:35" (3/3) ...
[2024-11-07 22:56:35,559 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:35,573 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:56:35,574 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:56:35,634 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:56:35,646 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;@2c8dd4f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:56:35,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:56:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 41 states have internal predecessors, (55), 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)
[2024-11-07 22:56:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-07 22:56:35,659 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:56:35,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:56:35,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:56:35,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:56:35,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1944703236, now seen corresponding path program 1 times
[2024-11-07 22:56:35,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:56:35,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470998703]
[2024-11-07 22:56:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:56:35,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:56:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:56:35,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:56:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:56:35,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 22:56:35,918 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:56:35,919 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:56:35,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:56:35,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 22:56:35,929 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:56:35,955 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:56:35,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:56:35 BoogieIcfgContainer
[2024-11-07 22:56:35,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:56:35,962 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:56:35,963 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:56:35,963 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:56:35,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:35" (3/4) ...
[2024-11-07 22:56:35,966 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:56:35,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:56:35,969 INFO L158 Benchmark]: Toolchain (without parser) took 1858.91ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 61.9MB in the end (delta: 11.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB.
[2024-11-07 22:56:35,970 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:35,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.62ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB.
[2024-11-07 22:56:35,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 54.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 22:56:35,971 INFO L158 Benchmark]: Boogie Preprocessor took 45.01ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:35,972 INFO L158 Benchmark]: RCFGBuilder took 484.47ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 36.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:56:35,972 INFO L158 Benchmark]: TraceAbstraction took 409.93ms. Allocated memory is still 100.7MB. Free memory was 36.3MB in the beginning and 62.4MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:35,974 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 61.9MB in the end (delta: 585.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:35,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 857.62ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.26ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 54.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.01ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 484.47ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 36.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 409.93ms. Allocated memory is still 100.7MB. Free memory was 36.3MB in the beginning and 62.4MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.49ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 61.9MB in the end (delta: 585.4kB). 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
- UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1559.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1559] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1559] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad()
[L1551] int data;
[L1552] data = 0
[L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
[L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1))
[L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data)
[L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data)
[L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data)
[L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data)
[L1582] data--
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 22:56:36,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:56:38,272 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:56:38,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 22:56:38,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:56:38,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:56:38,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 22:56:38,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:56:38,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:56:38,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:56:38,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:56:38,395 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:56:38,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:56:38,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:56:38,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:56:38,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:56:38,396 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:56:38,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 22:56:38,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:56:38,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:56:38,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:56:38,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:56:38,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:56:38,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:56:38,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:56:38,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:56:38,400 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b
[2024-11-07 22:56:38,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:56:38,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:56:38,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:56:38,695 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:56:38,695 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:56:38,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:40,070 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:56:40,536 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:56:40,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:40,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8b622cd4a/2472828827d341348455fb5cf9553efc/FLAGd1d792cf0
[2024-11-07 22:56:40,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8b622cd4a/2472828827d341348455fb5cf9553efc
[2024-11-07 22:56:40,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:56:40,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:56:40,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:56:40,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:56:40,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:56:40,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:40" (1/1) ...
[2024-11-07 22:56:40,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbd6579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:40, skipping insertion in model container
[2024-11-07 22:56:40,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:40" (1/1) ...
[2024-11-07 22:56:40,653 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:56:41,233 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:56:41,250 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:56:41,363 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:56:41,463 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:56:41,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41 WrapperNode
[2024-11-07 22:56:41,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:56:41,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:56:41,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:56:41,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:56:41,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,516 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67
[2024-11-07 22:56:41,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:56:41,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:56:41,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:56:41,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:56:41,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,555 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-07 22:56:41,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:56:41,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:56:41,590 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:56:41,590 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:56:41,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (1/1) ...
[2024-11-07 22:56:41,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:56:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:56:41,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 22:56:41,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 22:56:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:56:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:56:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:56:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:56:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:56:41,806 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:56:41,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:56:41,928 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-11-07 22:56:41,929 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:56:41,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:56:41,937 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 22:56:41,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:41 BoogieIcfgContainer
[2024-11-07 22:56:41,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:56:41,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:56:41,940 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:56:41,944 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:56:41,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:56:40" (1/3) ...
[2024-11-07 22:56:41,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cd9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:41, skipping insertion in model container
[2024-11-07 22:56:41,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:41" (2/3) ...
[2024-11-07 22:56:41,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cd9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:41, skipping insertion in model container
[2024-11-07 22:56:41,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:41" (3/3) ...
[2024-11-07 22:56:41,946 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_54_bad.i
[2024-11-07 22:56:41,961 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:56:41,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:56:42,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:56:42,029 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;@46f5df5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:56:42,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:56:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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)
[2024-11-07 22:56:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 22:56:42,040 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:56:42,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:56:42,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:56:42,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:56:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times
[2024-11-07 22:56:42,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:56:42,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818831690]
[2024-11-07 22:56:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:56:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:56:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:56:42,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 22:56:42,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 22:56:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:56:42,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:56:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:56:42,309 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 22:56:42,311 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:56:42,312 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:56:42,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:56:42,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-07 22:56:42,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 22:56:42,523 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-07 22:56:42,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:56:42,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:56:42 BoogieIcfgContainer
[2024-11-07 22:56:42,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:56:42,553 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:56:42,554 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:56:42,555 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:56:42,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:41" (3/4) ...
[2024-11-07 22:56:42,558 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:56:42,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:56:42,560 INFO L158 Benchmark]: Toolchain (without parser) took 1968.15ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.8MB in the beginning and 201.2MB in the end (delta: -111.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB.
[2024-11-07 22:56:42,560 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:42,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.53ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 69.0MB in the end (delta: 20.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB.
[2024-11-07 22:56:42,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.65ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:42,561 INFO L158 Benchmark]: Boogie Preprocessor took 68.99ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:42,561 INFO L158 Benchmark]: RCFGBuilder took 351.45ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 50.3MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:56:42,561 INFO L158 Benchmark]: TraceAbstraction took 613.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.8MB in the beginning and 201.2MB in the end (delta: -151.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
[2024-11-07 22:56:42,562 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 234.9MB. Free memory was 201.2MB in the beginning and 201.2MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:56:42,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 869.53ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 69.0MB in the end (delta: 20.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.65ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.99ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 351.45ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 50.3MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 613.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.8MB in the beginning and 201.2MB in the end (delta: -151.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
* Witness Printer took 5.31ms. Allocated memory is still 234.9MB. Free memory was 201.2MB in the beginning and 201.2MB in the end (delta: 35.5kB). 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
- UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1559.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1559] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1559] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad()
[L1551] int data;
[L1552] data = 0
[L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
[L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1))
[L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data)
[L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data)
[L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data)
[L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data)
[L1582] data--
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 22:56:42,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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:
UNKNOWN: Overapproximated counterexample