./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_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/CWE190_Integer_Overflow__int_fscanf_preinc_63_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', '37f8709c418fd0e2f1cf5e172dc1bc31128d5fe8f277682e7c5904775921e571']
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/CWE190_Integer_Overflow__int_fscanf_preinc_63_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 37f8709c418fd0e2f1cf5e172dc1bc31128d5fe8f277682e7c5904775921e571
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:55:44,083 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:55:44,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-07 21:55:44,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:55:44,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:55:44,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:55:44,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:55:44,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:55:44,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:55:44,188 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:55:44,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:55:44,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:55:44,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:55:44,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:55:44,189 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:55:44,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:55:44,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:55:44,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:55:44,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:55:44,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:55:44,191 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 -> 37f8709c418fd0e2f1cf5e172dc1bc31128d5fe8f277682e7c5904775921e571
[2024-11-07 21:55:44,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:55:44,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:55:44,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:55:44,435 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:55:44,436 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:55:44,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:45,590 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:55:45,841 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:55:45,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:45,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fa457c85/ef3a1db2e20d41a584f02cc4a1fcb234/FLAG73dc6e5c7
[2024-11-07 21:55:46,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fa457c85/ef3a1db2e20d41a584f02cc4a1fcb234
[2024-11-07 21:55:46,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:55:46,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:55:46,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:55:46,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:55:46,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:55:46,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6661b81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46, skipping insertion in model container
[2024-11-07 21:55:46,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,192 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:55:46,675 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:55:46,687 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:55:46,790 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:55:46,897 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:55:46,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46 WrapperNode
[2024-11-07 21:55:46,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:55:46,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:55:46,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:55:46,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:55:46,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,950 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52
[2024-11-07 21:55:46,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:55:46,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:55:46,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:55:46,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:55:46,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,977 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2].
[2024-11-07 21:55:46,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:46,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:55:46,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:55:46,996 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:55:46,996 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:55:46,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (1/1) ...
[2024-11-07 21:55:47,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:55:47,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:55:47,026 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 21:55:47,032 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 21:55:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:55:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:55:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 21:55:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-07 21:55:47,186 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:55:47,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:55:47,257 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-07 21:55:47,257 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:55:47,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:55:47,263 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:55:47,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:47 BoogieIcfgContainer
[2024-11-07 21:55:47,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:55:47,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:55:47,264 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:55:47,268 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:55:47,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:55:46" (1/3) ...
[2024-11-07 21:55:47,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5182431f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:55:47, skipping insertion in model container
[2024-11-07 21:55:47,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:46" (2/3) ...
[2024-11-07 21:55:47,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5182431f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:55:47, skipping insertion in model container
[2024-11-07 21:55:47,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:47" (3/3) ...
[2024-11-07 21:55:47,269 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:47,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:55:47,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:55:47,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:55:47,328 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;@32b469ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:55:47,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:55:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 21:55:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 21:55:47,338 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:55:47,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:55:47,339 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:55:47,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:55:47,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times
[2024-11-07 21:55:47,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:55:47,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293705816]
[2024-11-07 21:55:47,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:55:47,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:55:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:55:47,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 21:55:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:55:47,725 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 21:55:47,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 21:55:47,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293705816]
[2024-11-07 21:55:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293705816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:55:47,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:55:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 21:55:47,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848697388]
[2024-11-07 21:55:47,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:55:47,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 21:55:47,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 21:55:47,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 21:55:47,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:55:47,759 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 21:55:47,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:55:47,791 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions.
[2024-11-07 21:55:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 21:55:47,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9
[2024-11-07 21:55:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:55:47,797 INFO L225 Difference]: With dead ends: 20
[2024-11-07 21:55:47,797 INFO L226 Difference]: Without dead ends: 11
[2024-11-07 21:55:47,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 21:55:47,804 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 21:55:47,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:55:47,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2024-11-07 21:55:47,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2024-11-07 21:55:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:55:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2024-11-07 21:55:47,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9
[2024-11-07 21:55:47,830 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:55:47,830 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2024-11-07 21:55:47,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 21:55:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2024-11-07 21:55:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-07 21:55:47,831 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:55:47,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:55:47,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 21:55:47,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:55:47,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:55:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times
[2024-11-07 21:55:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 21:55:47,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718669421]
[2024-11-07 21:55:47,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:55:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 21:55:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:55:47,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:55:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:55:47,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 21:55:47,922 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:55:47,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:55:47,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:55:47,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 21:55:47,932 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:55:47,950 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:55:47,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:55:47 BoogieIcfgContainer
[2024-11-07 21:55:47,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:55:47,955 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:55:47,955 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:55:47,955 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:55:47,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:47" (3/4) ...
[2024-11-07 21:55:47,958 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:55:47,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:55:47,959 INFO L158 Benchmark]: Toolchain (without parser) took 1808.21ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 94.5MB in the end (delta: -6.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB.
[2024-11-07 21:55:47,960 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:47,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.26ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 71.1MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
[2024-11-07 21:55:47,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.26ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 68.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:55:47,962 INFO L158 Benchmark]: Boogie Preprocessor took 42.29ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:47,962 INFO L158 Benchmark]: RCFGBuilder took 267.66ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 54.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 21:55:47,963 INFO L158 Benchmark]: TraceAbstraction took 689.93ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 54.4MB in the beginning and 94.5MB in the end (delta: -40.1MB). Peak memory consumption was 306.3kB. Max. memory is 16.1GB.
[2024-11-07 21:55:47,963 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 94.5MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:47,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 748.26ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 71.1MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.26ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 68.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.29ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 267.66ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 54.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 689.93ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 54.4MB in the beginning and 94.5MB in the end (delta: -40.1MB). Peak memory consumption was 306.3kB. Max. memory is 16.1GB.
* Witness Printer took 3.87ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 94.5MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1559.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1559] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1559] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] CALL CWE190_Integer_Overflow__int_fscanf_preinc_63_bad()
[L1551] int data;
[L1552] data = 0
[L1554] CALL CWE190_Integer_Overflow__int_fscanf_preinc_63b_badSink(&data)
[L1566] EXPR \read(*dataPtr)
[L1566] int data = *dataPtr;
[L1568] ++data
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1568]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 21:55:47,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_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 37f8709c418fd0e2f1cf5e172dc1bc31128d5fe8f277682e7c5904775921e571
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 21:55:49,720 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 21:55:49,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-11-07 21:55:49,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 21:55:49,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 21:55:49,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-11-07 21:55:49,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 21:55:49,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 21:55:49,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 21:55:49,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 21:55:49,819 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 21:55:49,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 21:55:49,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 21:55:49,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 21:55:49,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 21:55:49,820 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 21:55:49,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 21:55:49,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 21:55:49,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 21:55:49,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 21:55:49,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:55:49,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 21:55:49,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 21:55:49,822 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 -> 37f8709c418fd0e2f1cf5e172dc1bc31128d5fe8f277682e7c5904775921e571
[2024-11-07 21:55:50,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 21:55:50,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 21:55:50,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 21:55:50,082 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 21:55:50,082 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 21:55:50,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:51,281 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 21:55:51,609 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 21:55:51,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:51,634 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/245d1d4a5/9e34a7d276a445e1985d8b848fa8cae4/FLAG30e010d4d
[2024-11-07 21:55:51,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/245d1d4a5/9e34a7d276a445e1985d8b848fa8cae4
[2024-11-07 21:55:51,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 21:55:51,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 21:55:51,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 21:55:51,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 21:55:51,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 21:55:51,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:55:51" (1/1) ...
[2024-11-07 21:55:51,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f950ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:51, skipping insertion in model container
[2024-11-07 21:55:51,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:55:51" (1/1) ...
[2024-11-07 21:55:51,704 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 21:55:52,318 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:55:52,331 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 21:55:52,416 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 21:55:52,507 INFO L204 MainTranslator]: Completed translation
[2024-11-07 21:55:52,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52 WrapperNode
[2024-11-07 21:55:52,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 21:55:52,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 21:55:52,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 21:55:52,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 21:55:52,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,545 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51
[2024-11-07 21:55:52,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 21:55:52,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 21:55:52,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 21:55:52,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 21:55:52,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,568 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2].
[2024-11-07 21:55:52,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 21:55:52,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 21:55:52,579 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 21:55:52,580 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 21:55:52,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (1/1) ...
[2024-11-07 21:55:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 21:55:52,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 21:55:52,603 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 21:55:52,605 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 21:55:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-07 21:55:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-07 21:55:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 21:55:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 21:55:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 21:55:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 21:55:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 21:55:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 21:55:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 21:55:52,740 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 21:55:52,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 21:55:52,862 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-11-07 21:55:52,862 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 21:55:52,869 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 21:55:52,870 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-07 21:55:52,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:52 BoogieIcfgContainer
[2024-11-07 21:55:52,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 21:55:52,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 21:55:52,872 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 21:55:52,876 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 21:55:52,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:55:51" (1/3) ...
[2024-11-07 21:55:52,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377870ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:55:52, skipping insertion in model container
[2024-11-07 21:55:52,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:55:52" (2/3) ...
[2024-11-07 21:55:52,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377870ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:55:52, skipping insertion in model container
[2024-11-07 21:55:52,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:52" (3/3) ...
[2024-11-07 21:55:52,880 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_63_bad.i
[2024-11-07 21:55:52,891 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 21:55:52,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 21:55:52,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 21:55:52,947 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;@8dc95fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 21:55:52,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 21:55:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 21:55:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 21:55:52,956 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:55:52,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:55:52,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:55:52,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:55:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times
[2024-11-07 21:55:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:55:52,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206060754]
[2024-11-07 21:55:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:55:52,971 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 21:55:52,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:55:53,006 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 21:55:53,035 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 21:55:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 21:55:53,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 21:55:53,132 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 21:55:53,144 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 21:55:53,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 21:55:53,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 21:55:53,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206060754]
[2024-11-07 21:55:53,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206060754] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 21:55:53,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 21:55:53,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 21:55:53,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785930243]
[2024-11-07 21:55:53,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 21:55:53,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 21:55:53,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 21:55:53,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 21:55:53,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 21:55:53,161 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 21:55:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 21:55:53,169 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions.
[2024-11-07 21:55:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 21:55:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9
[2024-11-07 21:55:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 21:55:53,173 INFO L225 Difference]: With dead ends: 20
[2024-11-07 21:55:53,173 INFO L226 Difference]: Without dead ends: 11
[2024-11-07 21:55:53,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 21:55:53,177 INFO L432 NwaCegarLoop]: 20 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, 20 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 21:55:53,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 21:55:53,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2024-11-07 21:55:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2024-11-07 21:55:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 21:55:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2024-11-07 21:55:53,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9
[2024-11-07 21:55:53,197 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 21:55:53,197 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2024-11-07 21:55:53,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 21:55:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2024-11-07 21:55:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-07 21:55:53,198 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 21:55:53,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 21:55:53,202 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 21:55:53,398 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 21:55:53,399 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 21:55:53,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 21:55:53,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1678509595, now seen corresponding path program 1 times
[2024-11-07 21:55:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 21:55:53,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137033988]
[2024-11-07 21:55:53,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 21:55:53,400 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 21:55:53,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 21:55:53,402 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 21:55:53,404 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 21:55:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:55:53,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 21:55:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 21:55:53,513 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-07 21:55:53,513 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 21:55:53,514 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 21:55:53,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 21:55:53,519 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 21:55:53,716 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 21:55:53,718 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 21:55:53,734 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 21:55:53,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:55:53 BoogieIcfgContainer
[2024-11-07 21:55:53,739 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 21:55:53,739 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 21:55:53,740 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 21:55:53,740 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 21:55:53,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:55:52" (3/4) ...
[2024-11-07 21:55:53,742 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 21:55:53,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 21:55:53,744 INFO L158 Benchmark]: Toolchain (without parser) took 2090.59ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 31.7MB in the end (delta: 26.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB.
[2024-11-07 21:55:53,744 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:53,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.68ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 53.0MB in the end (delta: 4.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB.
[2024-11-07 21:55:53,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 83.9MB. 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 21:55:53,745 INFO L158 Benchmark]: Boogie Preprocessor took 33.38ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 48.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:53,745 INFO L158 Benchmark]: RCFGBuilder took 291.23ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 35.2MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 21:55:53,745 INFO L158 Benchmark]: TraceAbstraction took 866.94ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
[2024-11-07 21:55:53,745 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 83.9MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 21:55:53,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 850.68ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 53.0MB in the end (delta: 4.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.47ms. Allocated memory is still 83.9MB. 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 33.38ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 48.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 291.23ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 35.2MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 866.94ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
* Witness Printer took 3.78ms. Allocated memory is still 83.9MB. Free memory is still 31.7MB. 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: 1568]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1559.
Possible FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1559] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1559] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1560] CALL CWE190_Integer_Overflow__int_fscanf_preinc_63_bad()
[L1551] int data;
[L1552] data = 0
[L1554] CALL CWE190_Integer_Overflow__int_fscanf_preinc_63b_badSink(&data)
[L1566] EXPR \read(*dataPtr)
[L1566] int data = *dataPtr;
[L1568] ++data
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1568]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 20 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, 20 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 64 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 21:55:53,767 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