./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1 --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 d03d41497e0f5058a2c8524383adbc0c8d28214654016469a458919e0265b126 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:33:44,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:33:44,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 13:33:44,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:33:44,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:33:44,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:33:44,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:33:44,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:33:44,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:33:44,189 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:33:44,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:33:44,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:33:44,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:33:44,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:33:44,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:33:44,191 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:44,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:44,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:33:44,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:33:44,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:33:44,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:33:44,193 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1 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 -> d03d41497e0f5058a2c8524383adbc0c8d28214654016469a458919e0265b126 [2024-12-02 13:33:44,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:33:44,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:33:44,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:33:44,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:33:44,447 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:33:44,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:47,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/74bae02ed/ded986b1857b4abd9943bf9d3554400b/FLAGacc1a6b46 [2024-12-02 13:33:47,362 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:33:47,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:47,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/74bae02ed/ded986b1857b4abd9943bf9d3554400b/FLAGacc1a6b46 [2024-12-02 13:33:47,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/74bae02ed/ded986b1857b4abd9943bf9d3554400b [2024-12-02 13:33:47,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:33:47,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:33:47,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:47,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:33:47,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:33:47,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:47" (1/1) ... [2024-12-02 13:33:47,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f46a537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:47, skipping insertion in model container [2024-12-02 13:33:47,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:47" (1/1) ... [2024-12-02 13:33:47,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:33:48,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:48,062 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:33:48,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:48,240 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:33:48,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48 WrapperNode [2024-12-02 13:33:48,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:48,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:48,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:33:48,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:33:48,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,275 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-12-02 13:33:48,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:48,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:33:48,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:33:48,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:33:48,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,298 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-12-02 13:33:48,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:33:48,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:33:48,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:33:48,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:33:48,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (1/1) ... [2024-12-02 13:33:48,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:48,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:33:48,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 13:33:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 13:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:33:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:33:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:33:48,469 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:33:48,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:33:48,557 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-02 13:33:48,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:33:48,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:33:48,566 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:33:48,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:48 BoogieIcfgContainer [2024-12-02 13:33:48,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:33:48,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:33:48,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:33:48,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:33:48,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:47" (1/3) ... [2024-12-02 13:33:48,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c21b3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:48, skipping insertion in model container [2024-12-02 13:33:48,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:48" (2/3) ... [2024-12-02 13:33:48,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c21b3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:48, skipping insertion in model container [2024-12-02 13:33:48,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:48" (3/3) ... [2024-12-02 13:33:48,575 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:48,589 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:33:48,591 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i that has 2 procedures, 24 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-02 13:33:48,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:33:48,651 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;@39d9708d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:33:48,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 13:33:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 20 states have internal predecessors, (26), 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) [2024-12-02 13:33:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 13:33:48,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:48,660 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:48,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:48,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:48,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1008216636, now seen corresponding path program 1 times [2024-12-02 13:33:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:48,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549318878] [2024-12-02 13:33:48,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:33:48,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:48,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549318878] [2024-12-02 13:33:48,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549318878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:48,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:48,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:33:48,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176548958] [2024-12-02 13:33:48,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:48,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:33:48,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:48,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:33:48,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:48,825 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 20 states have internal predecessors, (26), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-12-02 13:33:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:48,835 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-12-02 13:33:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:33:48,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-12-02 13:33:48,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:48,843 INFO L225 Difference]: With dead ends: 40 [2024-12-02 13:33:48,843 INFO L226 Difference]: Without dead ends: 17 [2024-12-02 13:33:48,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:48,848 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:48,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-12-02 13:33:48,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-12-02 13:33:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-12-02 13:33:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-12-02 13:33:48,880 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2024-12-02 13:33:48,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:48,881 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-12-02 13:33:48,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-12-02 13:33:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-02 13:33:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 13:33:48,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:48,883 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:48,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:33:48,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:48,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:48,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1765123005, now seen corresponding path program 1 times [2024-12-02 13:33:48,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:48,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355077863] [2024-12-02 13:33:48,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:33:48,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:48,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355077863] [2024-12-02 13:33:48,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355077863] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:48,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:48,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:33:48,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773962284] [2024-12-02 13:33:48,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:48,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:48,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:48,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:48,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:48,996 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-12-02 13:33:49,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:49,007 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-12-02 13:33:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:49,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-12-02 13:33:49,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:49,008 INFO L225 Difference]: With dead ends: 17 [2024-12-02 13:33:49,008 INFO L226 Difference]: Without dead ends: 16 [2024-12-02 13:33:49,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:49,009 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:49,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:49,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-12-02 13:33:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-12-02 13:33:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2024-12-02 13:33:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-12-02 13:33:49,013 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2024-12-02 13:33:49,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:49,013 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-12-02 13:33:49,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-12-02 13:33:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-02 13:33:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 13:33:49,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:49,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:49,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:33:49,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:49,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:49,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1115761769, now seen corresponding path program 1 times [2024-12-02 13:33:49,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:49,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065341376] [2024-12-02 13:33:49,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:49,046 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:33:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:49,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:33:49,074 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:33:49,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 13:33:49,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 13:33:49,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:33:49,080 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:33:49,094 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:33:49,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:33:49 BoogieIcfgContainer [2024-12-02 13:33:49,097 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:33:49,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:33:49,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:33:49,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:33:49,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:48" (3/4) ... [2024-12-02 13:33:49,099 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:33:49,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:33:49,100 INFO L158 Benchmark]: Toolchain (without parser) took 1700.72ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 52.6MB in the end (delta: 62.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-02 13:33:49,100 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:49,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.22ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 105.9MB in the end (delta: 8.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-02 13:33:49,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:33:49,101 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:49,101 INFO L158 Benchmark]: RCFGBuilder took 256.22ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 89.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:33:49,102 INFO L158 Benchmark]: TraceAbstraction took 528.24ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 52.6MB in the end (delta: 36.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 13:33:49,102 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:49,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.22ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 105.9MB in the end (delta: 8.7MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.37ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.22ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 89.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 528.24ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 52.6MB in the end (delta: 36.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory is still 52.6MB. 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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] [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_multiply_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 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: 1571]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, 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, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:33:49,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1 --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 d03d41497e0f5058a2c8524383adbc0c8d28214654016469a458919e0265b126 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:33:51,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:33:51,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 13:33:51,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:33:51,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:33:51,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 13:33:51,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:33:51,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:33:51,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:33:51,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:33:51,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:33:51,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:33:51,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:33:51,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:33:51,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:33:51,133 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:33:51,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:33:51,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:33:51,135 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:51,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:51,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:51,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:33:51,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:33:51,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:33:51,137 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1 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 -> d03d41497e0f5058a2c8524383adbc0c8d28214654016469a458919e0265b126 [2024-12-02 13:33:51,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:33:51,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:33:51,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:33:51,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:33:51,367 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:33:51,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:54,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/2cd879e22/4edfe22a9b324e348a7f497d5b06069e/FLAG8d58eb555 [2024-12-02 13:33:54,389 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:33:54,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:54,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/2cd879e22/4edfe22a9b324e348a7f497d5b06069e/FLAG8d58eb555 [2024-12-02 13:33:54,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/data/2cd879e22/4edfe22a9b324e348a7f497d5b06069e [2024-12-02 13:33:54,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:33:54,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:33:54,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:54,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:33:54,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:33:54,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:54" (1/1) ... [2024-12-02 13:33:54,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cef9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:54, skipping insertion in model container [2024-12-02 13:33:54,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:54" (1/1) ... [2024-12-02 13:33:54,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:33:55,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:55,331 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:33:55,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:55,531 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:33:55,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55 WrapperNode [2024-12-02 13:33:55,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:55,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:55,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:33:55,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:33:55,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,571 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-02 13:33:55,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:55,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:33:55,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:33:55,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:33:55,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,593 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-12-02 13:33:55,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:33:55,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:33:55,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:33:55,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:33:55,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (1/1) ... [2024-12-02 13:33:55,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:55,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:33:55,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:33:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 13:33:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 13:33:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:33:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:33:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:33:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:33:55,779 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:33:55,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:33:55,887 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-02 13:33:55,887 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:33:55,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:33:55,895 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:33:55,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:55 BoogieIcfgContainer [2024-12-02 13:33:55,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:33:55,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:33:55,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:33:55,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:33:55,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:54" (1/3) ... [2024-12-02 13:33:55,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f2b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:55, skipping insertion in model container [2024-12-02 13:33:55,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:55" (2/3) ... [2024-12-02 13:33:55,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461f2b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:55, skipping insertion in model container [2024-12-02 13:33:55,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:55" (3/3) ... [2024-12-02 13:33:55,903 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i [2024-12-02 13:33:55,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:33:55,915 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_16_bad.i that has 2 procedures, 24 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-02 13:33:55,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:33:55,964 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;@6d50910b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:33:55,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 13:33:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 20 states have internal predecessors, (26), 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) [2024-12-02 13:33:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 13:33:55,971 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:55,971 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:55,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:55,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:55,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1008216636, now seen corresponding path program 1 times [2024-12-02 13:33:55,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:33:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257466553] [2024-12-02 13:33:55,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:55,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:55,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:55,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:33:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:56,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:33:56,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:33:56,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:33:56,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:33:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257466553] [2024-12-02 13:33:56,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257466553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:33:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266912296] [2024-12-02 13:33:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:56,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:33:56,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:33:56,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:33:56,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:56,121 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 20 states have internal predecessors, (26), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-12-02 13:33:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:56,140 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-12-02 13:33:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:33:56,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-12-02 13:33:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:56,145 INFO L225 Difference]: With dead ends: 40 [2024-12-02 13:33:56,146 INFO L226 Difference]: Without dead ends: 17 [2024-12-02 13:33:56,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:56,150 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:56,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-12-02 13:33:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-12-02 13:33:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-12-02 13:33:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-12-02 13:33:56,174 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2024-12-02 13:33:56,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:56,175 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-12-02 13:33:56,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-12-02 13:33:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-02 13:33:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 13:33:56,176 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:56,176 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:56,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:33:56,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:56,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:56,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1765123005, now seen corresponding path program 1 times [2024-12-02 13:33:56,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:33:56,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757880170] [2024-12-02 13:33:56,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:56,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:56,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:56,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:33:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:56,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:33:56,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:33:56,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:33:56,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:33:56,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757880170] [2024-12-02 13:33:56,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757880170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:56,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:56,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:33:56,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317272711] [2024-12-02 13:33:56,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:56,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:56,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:33:56,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:56,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:56,491 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-12-02 13:33:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:56,504 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-12-02 13:33:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:56,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-12-02 13:33:56,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:56,506 INFO L225 Difference]: With dead ends: 17 [2024-12-02 13:33:56,506 INFO L226 Difference]: Without dead ends: 16 [2024-12-02 13:33:56,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:56,507 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:56,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:56,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-12-02 13:33:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-12-02 13:33:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2024-12-02 13:33:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-12-02 13:33:56,510 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2024-12-02 13:33:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:56,510 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-12-02 13:33:56,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-12-02 13:33:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-02 13:33:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 13:33:56,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:56,511 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:56,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:33:56,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:56,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 13:33:56,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1115761769, now seen corresponding path program 1 times [2024-12-02 13:33:56,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:33:56,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911006493] [2024-12-02 13:33:56,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:56,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:56,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:33:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:56,803 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:33:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:56,841 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 13:33:56,841 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:33:56,842 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 13:33:56,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 13:33:56,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:33:57,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:57,047 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:33:57,064 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:33:57,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:33:57 BoogieIcfgContainer [2024-12-02 13:33:57,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:33:57,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:33:57,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:33:57,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:33:57,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:55" (3/4) ... [2024-12-02 13:33:57,070 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:33:57,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:33:57,072 INFO L158 Benchmark]: Toolchain (without parser) took 2405.19ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 39.3MB in the end (delta: 26.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-02 13:33:57,072 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:57,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.89ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-02 13:33:57,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.96ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:57,073 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:57,073 INFO L158 Benchmark]: RCFGBuilder took 283.61ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 44.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:33:57,073 INFO L158 Benchmark]: TraceAbstraction took 1169.77ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 39.9MB in the end (delta: 3.9MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-12-02 13:33:57,073 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 39.3MB in the end (delta: 525.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:57,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.89ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.96ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.61ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 44.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1169.77ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 39.9MB in the end (delta: 3.9MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 39.3MB in the end (delta: 525.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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] [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_multiply_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 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: 1571]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, 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, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:33:57,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63149c5-f83e-4a5f-9675-e1aee8b5732a/bin/uautomizer-verify-84ZbGMXZE1/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