./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_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_min_sub_32_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', '2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984'] 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_min_sub_32_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 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:54:22,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:54:22,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 22:54:22,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:54:22,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:54:22,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:54:22,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:54:22,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:54:22,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:54:22,889 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:54:22,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:54:22,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:54:22,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:54:22,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:54:22,889 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:54:22,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:54:22,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:54:22,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:54:22,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:54:22,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:54:22,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:54:22,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:54:22,892 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 -> 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 [2024-11-07 22:54:23,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:54:23,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:54:23,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:54:23,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:54:23,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:54:23,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:24,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:54:24,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:54:24,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:24,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3185d8abf/ee7fe226af1d44d8bf7dadb43afa2003/FLAGd47476df0 [2024-11-07 22:54:24,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3185d8abf/ee7fe226af1d44d8bf7dadb43afa2003 [2024-11-07 22:54:24,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:54:24,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:54:24,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:54:24,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:54:24,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:54:24,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:54:24" (1/1) ... [2024-11-07 22:54:24,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8d22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:24, skipping insertion in model container [2024-11-07 22:54:24,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:54:24" (1/1) ... [2024-11-07 22:54:24,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:54:25,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:54:25,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:54:25,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:54:25,407 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:54:25,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25 WrapperNode [2024-11-07 22:54:25,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:54:25,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:54:25,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:54:25,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:54:25,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,451 INFO L138 Inliner]: procedures = 498, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-07 22:54:25,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:54:25,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:54:25,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:54:25,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:54:25,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,470 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [4, 3, 2]. 44 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 1, 1]. The 3 writes are split as follows [2, 1, 0]. [2024-11-07 22:54:25,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:54:25,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:54:25,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:54:25,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:54:25,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (1/1) ... [2024-11-07 22:54:25,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:54:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:54:25,504 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 22:54:25,509 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 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:54:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:54:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 22:54:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 22:54:25,635 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:54:25,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:54:25,715 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-07 22:54:25,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:54:25,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:54:25,723 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:54:25,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:25 BoogieIcfgContainer [2024-11-07 22:54:25,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:54:25,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:54:25,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:54:25,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:54:25,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:54:24" (1/3) ... [2024-11-07 22:54:25,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:54:25, skipping insertion in model container [2024-11-07 22:54:25,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:25" (2/3) ... [2024-11-07 22:54:25,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:54:25, skipping insertion in model container [2024-11-07 22:54:25,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:25" (3/3) ... [2024-11-07 22:54:25,751 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:25,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:54:25,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:54:25,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:54:25,812 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;@1f2892c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:54:25,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:54:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 22:54:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:54:25,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:54:25,823 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:54:25,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:54:25,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:54:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-07 22:54:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 22:54:25,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020155935] [2024-11-07 22:54:25,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:54:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 22:54:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:54:25,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:54:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:54:25,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 22:54:25,989 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:54:25,989 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:54:25,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:54:25,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 22:54:25,994 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:54:26,006 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:54:26,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:54:26 BoogieIcfgContainer [2024-11-07 22:54:26,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:54:26,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:54:26,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:54:26,013 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:54:26,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:25" (3/4) ... [2024-11-07 22:54:26,015 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:54:26,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:54:26,016 INFO L158 Benchmark]: Toolchain (without parser) took 1269.09ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 54.8MB in the end (delta: 19.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-07 22:54:26,016 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:26,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.13ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 48.8MB in the end (delta: 24.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-07 22:54:26,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 46.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:54:26,016 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 100.7MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:26,017 INFO L158 Benchmark]: RCFGBuilder took 246.88ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 31.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:54:26,018 INFO L158 Benchmark]: TraceAbstraction took 286.54ms. Allocated memory is still 100.7MB. Free memory was 31.1MB in the beginning and 55.4MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:26,018 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 54.8MB in the end (delta: 587.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:26,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.13ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 48.8MB in the end (delta: 24.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 46.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 100.7MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.88ms. Allocated memory is still 100.7MB. Free memory was 44.6MB in the beginning and 31.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 286.54ms. Allocated memory is still 100.7MB. Free memory was 31.1MB in the beginning and 55.4MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 54.8MB in the end (delta: 587.8kB). 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: 1562]: 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 1570. 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] 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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 22:54:26,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_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 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:54:27,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:54:27,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 22:54:27,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:54:27,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:54:27,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 22:54:27,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:54:27,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:54:27,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:54:27,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:54:27,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:54:27,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:54:27,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:54:27,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:54:27,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:54:27,870 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:54:27,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 22:54:27,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:54:27,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:54:27,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:54:27,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:54:27,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:54:27,873 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 -> 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 [2024-11-07 22:54:28,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:54:28,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:54:28,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:54:28,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:54:28,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:54:28,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:29,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:54:29,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:54:29,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:29,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/34d609e72/99d294d56586469c8b950c0acba7c1ba/FLAG588607ef1 [2024-11-07 22:54:29,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/34d609e72/99d294d56586469c8b950c0acba7c1ba [2024-11-07 22:54:29,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:54:29,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:54:29,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:54:29,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:54:29,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:54:29,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:54:29" (1/1) ... [2024-11-07 22:54:29,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fe7eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:29, skipping insertion in model container [2024-11-07 22:54:29,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:54:29" (1/1) ... [2024-11-07 22:54:29,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:54:30,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:54:30,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:54:30,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:54:30,368 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:54:30,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30 WrapperNode [2024-11-07 22:54:30,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:54:30,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:54:30,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:54:30,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:54:30,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,398 INFO L138 Inliner]: procedures = 503, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-07 22:54:30,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:54:30,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:54:30,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:54:30,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:54:30,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,420 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [3, 2, 4]. 44 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1, 0]. The 3 writes are split as follows [1, 0, 2]. [2024-11-07 22:54:30,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:54:30,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:54:30,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:54:30,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:54:30,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (1/1) ... [2024-11-07 22:54:30,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:54:30,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:54:30,460 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 22:54:30,462 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 22:54:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:54:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:54:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 22:54:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-07 22:54:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:54:30,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 22:54:30,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 22:54:30,577 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:54:30,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:54:30,720 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 22:54:30,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:54:30,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:54:30,727 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:54:30,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:30 BoogieIcfgContainer [2024-11-07 22:54:30,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:54:30,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:54:30,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:54:30,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:54:30,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:54:29" (1/3) ... [2024-11-07 22:54:30,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7cf57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:54:30, skipping insertion in model container [2024-11-07 22:54:30,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:54:30" (2/3) ... [2024-11-07 22:54:30,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7cf57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:54:30, skipping insertion in model container [2024-11-07 22:54:30,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:30" (3/3) ... [2024-11-07 22:54:30,735 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_32_bad.i [2024-11-07 22:54:30,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:54:30,745 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:54:30,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:54:30,793 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;@350013d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:54:30,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:54:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 22:54:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:54:30,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:54:30,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:54:30,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:54:30,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:54:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash 80251503, now seen corresponding path program 1 times [2024-11-07 22:54:30,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 22:54:30,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151404028] [2024-11-07 22:54:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:54:30,816 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 22:54:30,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 22:54:30,818 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 22:54:30,819 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 22:54:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:54:30,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:54:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:54:31,006 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 22:54:31,008 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:54:31,010 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:54:31,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:54:31,017 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 22:54:31,215 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 22:54:31,218 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:54:31,231 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:54:31,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:54:31 BoogieIcfgContainer [2024-11-07 22:54:31,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:54:31,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:54:31,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:54:31,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:54:31,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:54:30" (3/4) ... [2024-11-07 22:54:31,238 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:54:31,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:54:31,239 INFO L158 Benchmark]: Toolchain (without parser) took 1511.15ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 64.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-07 22:54:31,239 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:31,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.92ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 61.7MB in the end (delta: 20.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-07 22:54:31,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.10ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 58.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:31,240 INFO L158 Benchmark]: Boogie Preprocessor took 40.08ms. Allocated memory is still 109.1MB. Free memory was 58.6MB in the beginning and 56.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:31,241 INFO L158 Benchmark]: RCFGBuilder took 288.04ms. Allocated memory is still 109.1MB. Free memory was 56.3MB in the beginning and 42.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:54:31,241 INFO L158 Benchmark]: TraceAbstraction took 505.16ms. Allocated memory is still 109.1MB. Free memory was 41.4MB in the beginning and 64.9MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:31,243 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 64.3MB in the end (delta: 594.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:54:31,244 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 83.9MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.92ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 61.7MB in the end (delta: 20.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.10ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 58.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.08ms. Allocated memory is still 109.1MB. Free memory was 58.6MB in the beginning and 56.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.04ms. Allocated memory is still 109.1MB. Free memory was 56.3MB in the beginning and 42.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 505.16ms. Allocated memory is still 109.1MB. Free memory was 41.4MB in the beginning and 64.9MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 64.3MB in the end (delta: 594.1kB). 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: 1562]: 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 1570. 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] data = (-0x7fffffff - 1) [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] 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: 1562]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 22:54:31,264 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