./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_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/CWE190_Integer_Overflow__int_fgets_square_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', 'a67dfe12a06fcc3adbf0bdb1b0af5b35df847c39990a2d3b73030372bad85c3d'] 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_fgets_square_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 a67dfe12a06fcc3adbf0bdb1b0af5b35df847c39990a2d3b73030372bad85c3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:48:21,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:48:22,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 21:48:22,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:48:22,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:48:22,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:48:22,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:48:22,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:48:22,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:48:22,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:48:22,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:48:22,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:48:22,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:48:22,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:48:22,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:48:22,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:48:22,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:48:22,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 21:48:22,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:48:22,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:48:22,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:48:22,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:48:22,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:48:22,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:48:22,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:48:22,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 21:48:22,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 21:48:22,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:48:22,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:48:22,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:48:22,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:48:22,136 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 -> a67dfe12a06fcc3adbf0bdb1b0af5b35df847c39990a2d3b73030372bad85c3d [2024-11-07 21:48:22,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:48:22,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:48:22,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:48:22,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:48:22,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:48:22,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:23,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:48:24,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:48:24,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:24,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9fc2b9988/60765f047cf04c7787a6d0df79a7177c/FLAGe3b5aad8d [2024-11-07 21:48:24,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9fc2b9988/60765f047cf04c7787a6d0df79a7177c [2024-11-07 21:48:24,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:48:24,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:48:24,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:48:24,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:48:24,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:48:24,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:48:24" (1/1) ... [2024-11-07 21:48:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128887b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:24, skipping insertion in model container [2024-11-07 21:48:24,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:48:24" (1/1) ... [2024-11-07 21:48:24,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:48:25,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:48:25,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:48:25,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:48:25,628 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:48:25,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25 WrapperNode [2024-11-07 21:48:25,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:48:25,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:48:25,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:48:25,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:48:25,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,683 INFO L138 Inliner]: procedures = 936, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-11-07 21:48:25,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:48:25,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:48:25,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:48:25,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:48:25,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,707 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [1, 3, 4, 3]. 36 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 1, 0, 1]. The 3 writes are split as follows [0, 0, 2, 1]. [2024-11-07 21:48:25,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:48:25,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:48:25,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:48:25,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:48:25,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (1/1) ... [2024-11-07 21:48:25,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:48:25,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:48:25,752 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 21:48:25,754 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 21:48:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 21:48:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:48:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 21:48:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 21:48:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 21:48:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:48:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:48:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 21:48:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 21:48:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 21:48:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 21:48:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 21:48:25,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:48:25,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:48:26,065 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-07 21:48:26,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:48:26,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:48:26,076 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:48:26,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:26 BoogieIcfgContainer [2024-11-07 21:48:26,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:48:26,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:48:26,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:48:26,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:48:26,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:48:24" (1/3) ... [2024-11-07 21:48:26,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315e904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:48:26, skipping insertion in model container [2024-11-07 21:48:26,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:25" (2/3) ... [2024-11-07 21:48:26,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315e904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:48:26, skipping insertion in model container [2024-11-07 21:48:26,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:26" (3/3) ... [2024-11-07 21:48:26,086 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:26,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:48:26,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:48:26,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:48:26,163 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;@523a3033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:48:26,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:48:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 21:48:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 21:48:26,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:48:26,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:48:26,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:48:26,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:48:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times [2024-11-07 21:48:26,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:48:26,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013918866] [2024-11-07 21:48:26,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:48:26,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:48:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 21:48:26,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833336197] [2024-11-07 21:48:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:48:26,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:48:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:48:26,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:48:26,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 21:48:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:48:26,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 21:48:26,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:48:26,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 21:48:26,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 21:48:26,629 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 21:48:26,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:48:26,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:48:26,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013918866] [2024-11-07 21:48:26,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 21:48:26,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833336197] [2024-11-07 21:48:26,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833336197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:48:26,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:48:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 21:48:26,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763690429] [2024-11-07 21:48:26,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:48:26,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 21:48:26,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:48:26,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 21:48:26,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 21:48:26,657 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:48:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:48:26,681 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-07 21:48:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 21:48:26,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-07 21:48:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:48:26,688 INFO L225 Difference]: With dead ends: 23 [2024-11-07 21:48:26,688 INFO L226 Difference]: Without dead ends: 15 [2024-11-07 21:48:26,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 21:48:26,693 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:48:26,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 21:48:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-07 21:48:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-07 21:48:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 21:48:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-07 21:48:26,723 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-07 21:48:26,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:48:26,724 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-07 21:48:26,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:48:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-07 21:48:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 21:48:26,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:48:26,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:48:26,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 21:48:26,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-07 21:48:26,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:48:26,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:48:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1259830611, now seen corresponding path program 1 times [2024-11-07 21:48:26,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:48:26,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388523347] [2024-11-07 21:48:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:48:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:48:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 21:48:27,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446783274] [2024-11-07 21:48:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:48:27,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:48:27,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:48:27,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:48:27,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 21:48:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:48:27,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:48:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:48:27,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 21:48:27,302 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:48:27,303 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:48:27,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:48:27,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 21:48:27,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:48:27,508 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 21:48:27,526 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:48:27,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:48:27 BoogieIcfgContainer [2024-11-07 21:48:27,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:48:27,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:48:27,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:48:27,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:48:27,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:26" (3/4) ... [2024-11-07 21:48:27,532 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:48:27,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:48:27,534 INFO L158 Benchmark]: Toolchain (without parser) took 3327.49ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 87.6MB in the beginning and 121.0MB in the end (delta: -33.3MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-11-07 21:48:27,534 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:27,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.38ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 46.6MB in the end (delta: 40.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-11-07 21:48:27,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.20ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 43.3MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:27,535 INFO L158 Benchmark]: Boogie Preprocessor took 40.08ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 21:48:27,536 INFO L158 Benchmark]: RCFGBuilder took 351.86ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 40.9MB in the beginning and 183.9MB in the end (delta: -143.0MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-11-07 21:48:27,537 INFO L158 Benchmark]: TraceAbstraction took 1450.54ms. Allocated memory is still 226.5MB. Free memory was 183.9MB in the beginning and 121.7MB in the end (delta: 62.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-07 21:48:27,537 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 226.5MB. Free memory was 121.7MB in the beginning and 121.0MB in the end (delta: 764.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:27,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.38ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 46.6MB in the end (delta: 40.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.20ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 43.3MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.08ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 351.86ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 40.9MB in the beginning and 183.9MB in the end (delta: -143.0MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1450.54ms. Allocated memory is still 226.5MB. Free memory was 183.9MB in the beginning and 121.7MB in the end (delta: 62.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 226.5MB. Free memory was 121.7MB in the beginning and 121.0MB in the end (delta: 764.8kB). 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: 1856]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844, overapproximation of large string literal at line 1864, overapproximation of fgets at line 1842. 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] [L1864] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1864] 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] [L1865] CALL CWE190_Integer_Overflow__int_fgets_square_32_bad() [L1834] int data; [L1835] int *dataPtr1 = &data; [L1836] int *dataPtr2 = &data; [L1837] data = 0 [L1839] int data = *dataPtr1; [L1839] EXPR \read(*dataPtr1) [L1839] int data = *dataPtr1; [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={6:0}, dataPtr1={7:0}, dataPtr2={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1842] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] data = atoi(inputBuffer) [L1844] data = atoi(inputBuffer) [L1851] EXPR \read(data) [L1851] *dataPtr1 = data [L1839] int data = *dataPtr1; [L1854] int data = *dataPtr2; [L1854] EXPR \read(*dataPtr2) [L1854] int data = *dataPtr2; [L1856] EXPR \read(data) [L1856] 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] [L1856] data * 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: 1856]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 3 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 7 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 21:48:27,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_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 a67dfe12a06fcc3adbf0bdb1b0af5b35df847c39990a2d3b73030372bad85c3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:48:29,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:48:29,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 21:48:29,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:48:29,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:48:29,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 21:48:29,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:48:29,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:48:29,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:48:29,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:48:29,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:48:29,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:48:29,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:48:29,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:48:29,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:48:29,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:48:29,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 21:48:29,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:48:29,747 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:48:29,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 21:48:29,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:48:29,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:48:29,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:48:29,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:48:29,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:48:29,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:48:29,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:48:29,749 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 -> a67dfe12a06fcc3adbf0bdb1b0af5b35df847c39990a2d3b73030372bad85c3d [2024-11-07 21:48:29,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:48:30,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:48:30,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:48:30,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:48:30,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:48:30,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:31,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:48:31,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:48:31,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:31,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af5a62ca6/7eb87c6511a44e45973f0ac034a1c1f7/FLAG7b36a5971 [2024-11-07 21:48:31,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af5a62ca6/7eb87c6511a44e45973f0ac034a1c1f7 [2024-11-07 21:48:31,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:48:31,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:48:31,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:48:31,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:48:31,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:48:31,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:48:31" (1/1) ... [2024-11-07 21:48:31,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6f2726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:31, skipping insertion in model container [2024-11-07 21:48:31,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:48:31" (1/1) ... [2024-11-07 21:48:31,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:48:32,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:48:32,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:48:32,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:48:33,140 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:48:33,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33 WrapperNode [2024-11-07 21:48:33,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:48:33,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:48:33,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:48:33,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:48:33,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,216 INFO L138 Inliner]: procedures = 942, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2024-11-07 21:48:33,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:48:33,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:48:33,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:48:33,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:48:33,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,262 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [1, 4, 3, 3]. 36 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 0, 1, 1]. The 3 writes are split as follows [0, 2, 0, 1]. [2024-11-07 21:48:33,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:48:33,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:48:33,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:48:33,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:48:33,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (1/1) ... [2024-11-07 21:48:33,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:48:33,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:48:33,322 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 21:48:33,328 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 21:48:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:48:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:48:33,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:48:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-07 21:48:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 21:48:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 21:48:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-07 21:48:33,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:48:33,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:48:33,864 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-07 21:48:33,864 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:48:33,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:48:33,874 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:48:33,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:33 BoogieIcfgContainer [2024-11-07 21:48:33,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:48:33,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:48:33,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:48:33,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:48:33,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:48:31" (1/3) ... [2024-11-07 21:48:33,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:48:33, skipping insertion in model container [2024-11-07 21:48:33,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:48:33" (2/3) ... [2024-11-07 21:48:33,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:48:33, skipping insertion in model container [2024-11-07 21:48:33,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:33" (3/3) ... [2024-11-07 21:48:33,885 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_32_bad.i [2024-11-07 21:48:33,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:48:33,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:48:33,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:48:33,948 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;@be7ea13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:48:33,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:48:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 21:48:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 21:48:33,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:48:33,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:48:33,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:48:33,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:48:33,964 INFO L85 PathProgramCache]: Analyzing trace with hash 733376356, now seen corresponding path program 1 times [2024-11-07 21:48:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 21:48:33,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065109606] [2024-11-07 21:48:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:48:33,977 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 21:48:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 21:48:33,981 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 21:48:33,982 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 21:48:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:48:34,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:48:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:48:34,338 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 21:48:34,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:48:34,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:48:34,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:48:34,352 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 21:48:34,543 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 21:48:34,546 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 21:48:34,567 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:48:34,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:48:34 BoogieIcfgContainer [2024-11-07 21:48:34,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:48:34,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:48:34,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:48:34,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:48:34,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:48:33" (3/4) ... [2024-11-07 21:48:34,572 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:48:34,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:48:34,573 INFO L158 Benchmark]: Toolchain (without parser) took 2770.43ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 56.0MB in the beginning and 89.8MB in the end (delta: -33.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-07 21:48:34,574 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:34,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.16ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 31.1MB in the end (delta: 24.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-07 21:48:34,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.80ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 27.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:34,575 INFO L158 Benchmark]: Boogie Preprocessor took 67.37ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.0MB in the beginning and 133.3MB in the end (delta: -106.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-07 21:48:34,575 INFO L158 Benchmark]: RCFGBuilder took 590.11ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 115.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 21:48:34,575 INFO L158 Benchmark]: TraceAbstraction took 691.39ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 90.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 21:48:34,575 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 167.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:48:34,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.16ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 31.1MB in the end (delta: 24.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.80ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 27.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.37ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 27.0MB in the beginning and 133.3MB in the end (delta: -106.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * RCFGBuilder took 590.11ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 115.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 691.39ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 90.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 167.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1856]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844, overapproximation of large string literal at line 1864, overapproximation of fgets at line 1842. 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] [L1864] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1864] 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] [L1865] CALL CWE190_Integer_Overflow__int_fgets_square_32_bad() [L1834] int data; [L1835] int *dataPtr1 = &data; [L1836] int *dataPtr2 = &data; [L1837] data = 0 [L1839] int data = *dataPtr1; [L1839] EXPR \read(*dataPtr1) [L1839] int data = *dataPtr1; [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, dataPtr1={-9223372036854775805:0}, dataPtr2={-9223372036854775805:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1842] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] data = atoi(inputBuffer) [L1844] data = atoi(inputBuffer) [L1851] EXPR \read(data) [L1851] *dataPtr1 = data [L1839] int data = *dataPtr1; [L1854] int data = *dataPtr2; [L1854] EXPR \read(*dataPtr2) [L1854] int data = *dataPtr2; [L1856] EXPR \read(data) [L1856] 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] [L1856] data * 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: 1856]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 21:48:34,602 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