./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_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_sub_03_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', 'f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2']
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_sub_03_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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:57:44,375 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:57:44,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 22:57:44,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:57:44,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:57:44,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:57:44,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:57:44,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:57:44,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:57:44,499 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:57:44,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:57:44,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:57:44,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:57:44,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:57:44,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:57:44,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:57:44,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 22:57:44,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 22:57:44,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:57:44,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:57:44,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:57:44,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:57:44,503 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 -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2
[2024-11-07 22:57:44,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:57:44,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:57:44,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:57:44,794 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:57:44,794 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:57:44,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:46,060 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:57:46,426 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:57:46,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:46,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/23e5020cb/f9b7c97e89af4fdf966212415115aac2/FLAG3ceec8869
[2024-11-07 22:57:46,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/23e5020cb/f9b7c97e89af4fdf966212415115aac2
[2024-11-07 22:57:46,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:57:46,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:57:46,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:57:46,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:57:46,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:57:46,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:46" (1/1) ...
[2024-11-07 22:57:46,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6a06bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:46, skipping insertion in model container
[2024-11-07 22:57:46,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:46" (1/1) ...
[2024-11-07 22:57:46,640 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:57:47,222 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:57:47,235 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:57:47,351 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:57:47,480 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:57:47,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47 WrapperNode
[2024-11-07 22:57:47,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:57:47,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:57:47,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:57:47,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:57:47,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,544 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98
[2024-11-07 22:57:47,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:57:47,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:57:47,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:57:47,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:57:47,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,571 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-07 22:57:47,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:57:47,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:57:47,594 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:57:47,594 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:57:47,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (1/1) ...
[2024-11-07 22:57:47,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:57:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:57:47,625 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 22:57:47,632 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 22:57:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:57:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:57:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:57:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:57:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:57:47,791 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:57:47,793 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:57:47,925 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live.
[2024-11-07 22:57:47,925 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:57:47,931 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:57:47,932 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-07 22:57:47,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:47 BoogieIcfgContainer
[2024-11-07 22:57:47,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:57:47,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:57:47,934 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:57:47,937 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:57:47,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:57:46" (1/3) ...
[2024-11-07 22:57:47,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713c1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:57:47, skipping insertion in model container
[2024-11-07 22:57:47,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:47" (2/3) ...
[2024-11-07 22:57:47,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713c1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:57:47, skipping insertion in model container
[2024-11-07 22:57:47,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:47" (3/3) ...
[2024-11-07 22:57:47,938 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:47,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:57:47,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:57:47,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:57:47,994 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;@404a6d5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:57:47,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:57:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.5) internal successors, (54), 38 states have internal predecessors, (54), 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 22:57:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-07 22:57:48,001 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:57:48,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:57:48,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:57:48,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:57:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1313219472, now seen corresponding path program 1 times
[2024-11-07 22:57:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:57:48,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103914806]
[2024-11-07 22:57:48,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:57:48,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:57:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 22:57:48,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 22:57:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 22:57:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 22:57:48,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 22:57:48,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103914806]
[2024-11-07 22:57:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103914806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 22:57:48,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 22:57:48,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 22:57:48,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665929983]
[2024-11-07 22:57:48,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 22:57:48,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 22:57:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 22:57:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 22:57:48,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 22:57:48,158 INFO L87 Difference]: Start difference. First operand has 42 states, 36 states have (on average 1.5) internal successors, (54), 38 states have internal predecessors, (54), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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)
[2024-11-07 22:57:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 22:57:48,170 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions.
[2024-11-07 22:57:48,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 22:57:48,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10
[2024-11-07 22:57:48,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 22:57:48,175 INFO L225 Difference]: With dead ends: 57
[2024-11-07 22:57:48,175 INFO L226 Difference]: Without dead ends: 35
[2024-11-07 22:57:48,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 22:57:48,178 INFO L432 NwaCegarLoop]: 56 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, 56 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
[2024-11-07 22:57:48,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 22:57:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2024-11-07 22:57:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2024-11-07 22:57:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 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)
[2024-11-07 22:57:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions.
[2024-11-07 22:57:48,202 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 10
[2024-11-07 22:57:48,202 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 22:57:48,202 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions.
[2024-11-07 22:57:48,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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)
[2024-11-07 22:57:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions.
[2024-11-07 22:57:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-07 22:57:48,203 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:57:48,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:57:48,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 22:57:48,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:57:48,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:57:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash 411320115, now seen corresponding path program 1 times
[2024-11-07 22:57:48,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:57:48,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64764228]
[2024-11-07 22:57:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:57:48,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:57:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 22:57:48,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 22:57:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 22:57:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 22:57:48,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 22:57:48,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64764228]
[2024-11-07 22:57:48,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64764228] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 22:57:48,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 22:57:48,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 22:57:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320752767]
[2024-11-07 22:57:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 22:57:48,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 22:57:48,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 22:57:48,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 22:57:48,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-07 22:57:48,580 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2024-11-07 22:57:48,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 22:57:48,694 INFO L93 Difference]: Finished difference Result 40 states and 53 transitions.
[2024-11-07 22:57:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 22:57:48,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 16
[2024-11-07 22:57:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 22:57:48,696 INFO L225 Difference]: With dead ends: 40
[2024-11-07 22:57:48,697 INFO L226 Difference]: Without dead ends: 39
[2024-11-07 22:57:48,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-07 22:57:48,698 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 22:57:48,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 154 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 22:57:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-11-07 22:57:48,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38.
[2024-11-07 22:57:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 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)
[2024-11-07 22:57:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions.
[2024-11-07 22:57:48,709 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 16
[2024-11-07 22:57:48,710 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 22:57:48,710 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions.
[2024-11-07 22:57:48,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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)
[2024-11-07 22:57:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions.
[2024-11-07 22:57:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-07 22:57:48,711 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:57:48,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:57:48,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 22:57:48,711 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:57:48,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:57:48,712 INFO L85 PathProgramCache]: Analyzing trace with hash 900891737, now seen corresponding path program 1 times
[2024-11-07 22:57:48,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 22:57:48,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900466775]
[2024-11-07 22:57:48,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:57:48,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 22:57:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:57:48,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:57:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:57:48,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 22:57:48,782 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:57:48,783 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:57:48,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:57:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 22:57:48,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-07 22:57:48,814 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:57:48,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:57:48 BoogieIcfgContainer
[2024-11-07 22:57:48,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:57:48,817 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:57:48,817 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:57:48,817 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:57:48,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:47" (3/4) ...
[2024-11-07 22:57:48,820 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:57:48,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:57:48,821 INFO L158 Benchmark]: Toolchain (without parser) took 2218.99ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 50.3MB in the end (delta: 63.5MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB.
[2024-11-07 22:57:48,821 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:48,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.30ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.0MB in the end (delta: 60.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-07 22:57:48,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.42ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:48,822 INFO L158 Benchmark]: Boogie Preprocessor took 44.57ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:48,822 INFO L158 Benchmark]: RCFGBuilder took 339.04ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 102.6MB in the end (delta: -54.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
[2024-11-07 22:57:48,823 INFO L158 Benchmark]: TraceAbstraction took 883.13ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 50.3MB in the end (delta: 52.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-11-07 22:57:48,823 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:48,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 878.30ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 53.0MB in the end (delta: 60.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 63.42ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.57ms. Allocated memory is still 142.6MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 339.04ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 102.6MB in the end (delta: -54.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 883.13ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 50.3MB in the end (delta: 52.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
* Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory is still 50.3MB. 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: 1559]: 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 1567.
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]
[L1567] 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)
[L1567] 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]
[L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad()
[L1550] int data;
[L1551] data = 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
[L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1))
[L1559] data - 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]
- UnprovableResult [Line: 1559]: 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, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 94 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 22:57:48,851 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
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_sub_03_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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 22:57:50,942 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 22:57:51,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 22:57:51,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 22:57:51,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 22:57:51,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 22:57:51,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 22:57:51,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 22:57:51,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 22:57:51,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 22:57:51,066 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 22:57:51,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 22:57:51,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 22:57:51,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 22:57:51,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 22:57:51,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 22:57:51,067 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 22:57:51,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:57:51,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 22:57:51,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 22:57:51,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 22:57:51,069 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 -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2
[2024-11-07 22:57:51,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 22:57:51,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 22:57:51,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 22:57:51,332 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 22:57:51,332 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 22:57:51,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:52,633 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 22:57:52,946 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 22:57:52,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:52,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95361295a/915e576ef7cc44aca3a7d9d0f95285da/FLAG43a47c2a2
[2024-11-07 22:57:52,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95361295a/915e576ef7cc44aca3a7d9d0f95285da
[2024-11-07 22:57:53,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 22:57:53,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 22:57:53,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 22:57:53,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 22:57:53,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 22:57:53,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:53,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4095aea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53, skipping insertion in model container
[2024-11-07 22:57:53,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:53,063 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 22:57:53,658 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:57:53,667 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 22:57:53,771 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 22:57:53,949 INFO L204 MainTranslator]: Completed translation
[2024-11-07 22:57:53,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53 WrapperNode
[2024-11-07 22:57:53,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 22:57:53,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 22:57:53,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 22:57:53,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 22:57:53,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:53,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,004 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58
[2024-11-07 22:57:54,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 22:57:54,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 22:57:54,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 22:57:54,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 22:57:54,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,038 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-07 22:57:54,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 22:57:54,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 22:57:54,061 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 22:57:54,061 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 22:57:54,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (1/1) ...
[2024-11-07 22:57:54,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 22:57:54,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 22:57:54,096 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 22:57:54,102 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 22:57:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 22:57:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 22:57:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 22:57:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 22:57:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 22:57:54,269 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 22:57:54,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 22:57:54,391 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-07 22:57:54,391 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 22:57:54,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 22:57:54,401 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-07 22:57:54,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:54 BoogieIcfgContainer
[2024-11-07 22:57:54,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 22:57:54,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 22:57:54,404 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 22:57:54,409 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 22:57:54,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:57:53" (1/3) ...
[2024-11-07 22:57:54,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562af123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:57:54, skipping insertion in model container
[2024-11-07 22:57:54,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:57:53" (2/3) ...
[2024-11-07 22:57:54,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562af123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:57:54, skipping insertion in model container
[2024-11-07 22:57:54,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:54" (3/3) ...
[2024-11-07 22:57:54,412 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_03_bad.i
[2024-11-07 22:57:54,425 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 22:57:54,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 22:57:54,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 22:57:54,497 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;@5862b8dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 22:57:54,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 22:57:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 22:57:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-07 22:57:54,510 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:57:54,511 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:57:54,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:57:54,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:57:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2051308032, now seen corresponding path program 1 times
[2024-11-07 22:57:54,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:57:54,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924616611]
[2024-11-07 22:57:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:57:54,527 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 22:57:54,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:57:54,531 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 22:57:54,533 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 22:57:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 22:57:54,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 22:57:54,640 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 22:57:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 22:57:54,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 22:57:54,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 22:57:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924616611]
[2024-11-07 22:57:54,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924616611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 22:57:54,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 22:57:54,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 22:57:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652533028]
[2024-11-07 22:57:54,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 22:57:54,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 22:57:54,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 22:57:54,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 22:57:54,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 22:57:54,688 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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)
[2024-11-07 22:57:54,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 22:57:54,703 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions.
[2024-11-07 22:57:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 22:57:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10
[2024-11-07 22:57:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 22:57:54,710 INFO L225 Difference]: With dead ends: 36
[2024-11-07 22:57:54,710 INFO L226 Difference]: Without dead ends: 13
[2024-11-07 22:57:54,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 22:57:54,717 INFO L432 NwaCegarLoop]: 23 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, 23 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
[2024-11-07 22:57:54,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 22:57:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-11-07 22:57:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-07 22:57:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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)
[2024-11-07 22:57:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-11-07 22:57:54,751 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10
[2024-11-07 22:57:54,751 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 22:57:54,752 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-11-07 22:57:54,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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)
[2024-11-07 22:57:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-11-07 22:57:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-07 22:57:54,753 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 22:57:54,753 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 22:57:54,759 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 22:57:54,954 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 22:57:54,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 22:57:54,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 22:57:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash -83247131, now seen corresponding path program 1 times
[2024-11-07 22:57:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 22:57:54,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129697173]
[2024-11-07 22:57:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 22:57:54,955 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 22:57:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 22:57:54,988 INFO L229 MonitoredProcess]: Starting monitored process 3 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 22:57:54,989 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 (3)] Waiting until timeout for monitored process
[2024-11-07 22:57:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:57:55,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 22:57:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 22:57:55,133 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 22:57:55,133 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 22:57:55,135 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 22:57:55,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 22:57:55,142 INFO L540 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 (3)] Forceful destruction successful, exit code 0
[2024-11-07 22:57:55,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 22:57:55,343 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 22:57:55,360 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 22:57:55,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:57:55 BoogieIcfgContainer
[2024-11-07 22:57:55,363 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 22:57:55,365 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 22:57:55,365 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 22:57:55,365 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 22:57:55,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:57:54" (3/4) ...
[2024-11-07 22:57:55,368 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 22:57:55,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 22:57:55,369 INFO L158 Benchmark]: Toolchain (without parser) took 2365.56ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 32.5MB in the end (delta: 25.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB.
[2024-11-07 22:57:55,370 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:55,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.61ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.7MB in the end (delta: 6.5MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB.
[2024-11-07 22:57:55,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.41ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:55,372 INFO L158 Benchmark]: Boogie Preprocessor took 54.96ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 45.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:55,372 INFO L158 Benchmark]: RCFGBuilder took 341.02ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 33.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 22:57:55,373 INFO L158 Benchmark]: TraceAbstraction took 959.20ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 32.5MB in the end (delta: 390.7kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB.
[2024-11-07 22:57:55,373 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 83.9MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 22:57:55,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 944.61ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.7MB in the end (delta: 6.5MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 54.41ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.96ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 45.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 341.02ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 33.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 959.20ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 32.5MB in the end (delta: 390.7kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB.
* Witness Printer took 4.09ms. Allocated memory is still 83.9MB. Free memory is still 32.5MB. 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: 1559]: 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 1567.
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]
[L1567] 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)
[L1567] 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]
[L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad()
[L1550] int data;
[L1551] data = 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
[L1554] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1))
[L1559] data - 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]
- UnprovableResult [Line: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 22:57:55,404 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