./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX --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 8a0d88c75b3966883989453ff6bad4040ad337ce594896819c5869833ddba0fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:37:16,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:37:16,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:37:16,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:37:16,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:37:16,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:37:16,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:37:16,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:37:16,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:37:16,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:37:16,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:37:16,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:37:16,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:37:16,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:37:16,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:37:16,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:37:16,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:37:16,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:37:16,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:37:16,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:37:16,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:37:16,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:37:16,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:37:16,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:37:16,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:37:16,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:37:16,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:37:16,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:37:16,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:37:16,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:37:16,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:37:16,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:37:16,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:37:16,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:37:16,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:37:16,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:37:16,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:37:16,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:37:16,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:37:16,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:37:16,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:37:16,835 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0d88c75b3966883989453ff6bad4040ad337ce594896819c5869833ddba0fc [2024-11-08 18:37:17,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:37:17,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:37:17,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:37:17,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:37:17,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:37:17,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i Unable to find full path for "g++" [2024-11-08 18:37:19,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:37:20,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:37:20,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i [2024-11-08 18:37:20,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/d121815a7/35e84ca64f2e446aada2ce278ccd8f7f/FLAGae5c7b6b8 [2024-11-08 18:37:20,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/d121815a7/35e84ca64f2e446aada2ce278ccd8f7f [2024-11-08 18:37:20,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:37:20,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:37:20,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:37:20,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:37:20,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:37:20,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:37:20" (1/1) ... [2024-11-08 18:37:20,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c436a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:20, skipping insertion in model container [2024-11-08 18:37:20,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:37:20" (1/1) ... [2024-11-08 18:37:20,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:37:21,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:37:21,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:37:22,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:37:22,273 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:37:22,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22 WrapperNode [2024-11-08 18:37:22,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:37:22,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:37:22,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:37:22,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:37:22,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,335 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-08 18:37:22,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:37:22,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:37:22,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:37:22,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:37:22,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,369 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]. [2024-11-08 18:37:22,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:37:22,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:37:22,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:37:22,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:37:22,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (1/1) ... [2024-11-08 18:37:22,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:37:22,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:37:22,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:37:22,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:37:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:37:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:37:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:37:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:37:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:37:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:37:22,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:37:22,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:37:22,832 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 18:37:22,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:37:22,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:37:22,849 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:37:22,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:22 BoogieIcfgContainer [2024-11-08 18:37:22,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:37:22,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:37:22,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:37:22,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:37:22,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:37:20" (1/3) ... [2024-11-08 18:37:22,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db47e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:37:22, skipping insertion in model container [2024-11-08 18:37:22,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:22" (2/3) ... [2024-11-08 18:37:22,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db47e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:37:22, skipping insertion in model container [2024-11-08 18:37:22,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:22" (3/3) ... [2024-11-08 18:37:22,863 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i [2024-11-08 18:37:22,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:37:22,883 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:37:22,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:37:22,970 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;@7b7e4ed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:37:22,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:37:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:37:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:37:22,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:22,992 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:22,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:23,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1893663279, now seen corresponding path program 1 times [2024-11-08 18:37:23,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:37:23,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718242923] [2024-11-08 18:37:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:23,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:37:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:37:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:37:23,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:37:23,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718242923] [2024-11-08 18:37:23,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718242923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:37:23,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:37:23,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:37:23,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720780756] [2024-11-08 18:37:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:37:23,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:37:23,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:37:23,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:37:23,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:37:23,514 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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) [2024-11-08 18:37:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:37:23,541 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2024-11-08 18:37:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:37:23,545 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 [2024-11-08 18:37:23,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:37:23,555 INFO L225 Difference]: With dead ends: 41 [2024-11-08 18:37:23,556 INFO L226 Difference]: Without dead ends: 18 [2024-11-08 18:37:23,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:37:23,567 INFO L432 NwaCegarLoop]: 29 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, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:37:23,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:37:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-08 18:37:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 18:37:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:37:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-08 18:37:23,622 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-11-08 18:37:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:37:23,625 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-08 18:37:23,626 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) [2024-11-08 18:37:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-08 18:37:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 18:37:23,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:23,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:23,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:37:23,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:23,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1266305814, now seen corresponding path program 1 times [2024-11-08 18:37:23,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:37:23,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24801919] [2024-11-08 18:37:23,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:37:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:23,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:37:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:37:23,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:37:23,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24801919] [2024-11-08 18:37:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24801919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:37:23,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:37:23,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:37:23,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251665122] [2024-11-08 18:37:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:37:23,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:37:23,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:37:23,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:37:23,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:37:23,947 INFO L87 Difference]: Start difference. First operand 18 states and 20 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) [2024-11-08 18:37:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:37:23,980 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-08 18:37:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:37:23,985 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 [2024-11-08 18:37:23,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:37:23,986 INFO L225 Difference]: With dead ends: 18 [2024-11-08 18:37:23,986 INFO L226 Difference]: Without dead ends: 17 [2024-11-08 18:37:23,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:37:23,991 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 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 [2024-11-08 18:37:23,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:37:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-08 18:37:24,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-08 18:37:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 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) [2024-11-08 18:37:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-08 18:37:24,002 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-08 18:37:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:37:24,003 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-08 18:37:24,003 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) [2024-11-08 18:37:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-08 18:37:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 18:37:24,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:24,006 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:24,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:37:24,006 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:24,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:24,007 INFO L85 PathProgramCache]: Analyzing trace with hash -600774504, now seen corresponding path program 1 times [2024-11-08 18:37:24,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:37:24,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945259081] [2024-11-08 18:37:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:24,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:37:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:37:24,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:37:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:37:24,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:37:24,160 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:37:24,161 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:37:24,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:37:24,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:37:24,170 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 18:37:24,200 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:37:24,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:37:24 BoogieIcfgContainer [2024-11-08 18:37:24,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:37:24,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:37:24,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:37:24,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:37:24,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:22" (3/4) ... [2024-11-08 18:37:24,212 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:37:24,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:37:24,215 INFO L158 Benchmark]: Toolchain (without parser) took 3821.68ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 127.1MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:37:24,216 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:37:24,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1878.69ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 127.2MB in the end (delta: -3.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-11-08 18:37:24,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.48ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 124.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:37:24,219 INFO L158 Benchmark]: Boogie Preprocessor took 48.30ms. Allocated memory is still 163.6MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:37:24,219 INFO L158 Benchmark]: RCFGBuilder took 464.75ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 109.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:37:24,220 INFO L158 Benchmark]: TraceAbstraction took 1352.78ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 127.1MB in the end (delta: -18.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-08 18:37:24,220 INFO L158 Benchmark]: Witness Printer took 7.74ms. Allocated memory is still 163.6MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:37:24,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 87.5MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1878.69ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 127.2MB in the end (delta: -3.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.48ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 124.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.30ms. Allocated memory is still 163.6MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.75ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 109.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1352.78ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 127.1MB in the end (delta: -18.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 7.74ms. Allocated memory is still 163.6MB. Free memory is still 127.1MB. 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: 1570]: 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 large string literal at line 1578, 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] [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_02_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) [L1568] 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] [L1570] 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: 1570]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.4s 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:37:24,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX --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 8a0d88c75b3966883989453ff6bad4040ad337ce594896819c5869833ddba0fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:37:27,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:37:27,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:37:27,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:37:27,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:37:27,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:37:27,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:37:27,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:37:27,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:37:27,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:37:27,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:37:27,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:37:27,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:37:27,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:37:27,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:37:27,658 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:37:27,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:37:27,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:37:27,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:37:27,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:37:27,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:37:27,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:37:27,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:37:27,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:37:27,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:37:27,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:37:27,669 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:37:27,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:37:27,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:37:27,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:37:27,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:37:27,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:37:27,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:37:27,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:37:27,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:37:27,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:37:27,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:37:27,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:37:27,676 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:37:27,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:37:27,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:37:27,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:37:27,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:37:27,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:37:27,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0d88c75b3966883989453ff6bad4040ad337ce594896819c5869833ddba0fc [2024-11-08 18:37:28,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:37:28,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:37:28,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:37:28,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:37:28,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:37:28,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i Unable to find full path for "g++" [2024-11-08 18:37:31,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:37:31,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:37:31,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i [2024-11-08 18:37:31,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/7bc09d0c7/70bfe2688cdf42c3ae06d5a7b7dcbbbc/FLAG00e57b0a8 [2024-11-08 18:37:31,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/data/7bc09d0c7/70bfe2688cdf42c3ae06d5a7b7dcbbbc [2024-11-08 18:37:31,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:37:31,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:37:31,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:37:31,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:37:31,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:37:31,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:37:31" (1/1) ... [2024-11-08 18:37:31,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7645ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:31, skipping insertion in model container [2024-11-08 18:37:31,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:37:31" (1/1) ... [2024-11-08 18:37:31,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:37:33,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:37:33,307 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:37:33,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:37:33,624 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:37:33,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33 WrapperNode [2024-11-08 18:37:33,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:37:33,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:37:33,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:37:33,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:37:33,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,703 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-08 18:37:33,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:37:33,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:37:33,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:37:33,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:37:33,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,751 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]. [2024-11-08 18:37:33,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:37:33,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:37:33,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:37:33,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:37:33,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (1/1) ... [2024-11-08 18:37:33,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:37:33,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:37:33,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:37:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:37:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:37:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:37:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:37:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:37:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:37:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:37:34,119 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:37:34,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:37:34,328 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 18:37:34,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:37:34,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:37:34,356 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:37:34,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:34 BoogieIcfgContainer [2024-11-08 18:37:34,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:37:34,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:37:34,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:37:34,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:37:34,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:37:31" (1/3) ... [2024-11-08 18:37:34,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:37:34, skipping insertion in model container [2024-11-08 18:37:34,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:37:33" (2/3) ... [2024-11-08 18:37:34,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:37:34, skipping insertion in model container [2024-11-08 18:37:34,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:34" (3/3) ... [2024-11-08 18:37:34,370 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_02_bad.i [2024-11-08 18:37:34,394 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:37:34,394 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:37:34,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:37:34,494 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;@45e88042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:37:34,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:37:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:37:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:37:34,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:34,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:34,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:34,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:34,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1893663279, now seen corresponding path program 1 times [2024-11-08 18:37:34,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:37:34,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100579109] [2024-11-08 18:37:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:34,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:37:34,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:37:34,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:37:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:34,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:37:34,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:37:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:37:34,853 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:37:34,853 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:37:34,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100579109] [2024-11-08 18:37:34,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100579109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:37:34,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:37:34,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:37:34,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638348218] [2024-11-08 18:37:34,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:37:34,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:37:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:37:34,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:37:34,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:37:34,902 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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) [2024-11-08 18:37:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:37:34,925 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2024-11-08 18:37:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:37:34,928 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 [2024-11-08 18:37:34,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:37:34,937 INFO L225 Difference]: With dead ends: 41 [2024-11-08 18:37:34,938 INFO L226 Difference]: Without dead ends: 18 [2024-11-08 18:37:34,942 INFO L431 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 [2024-11-08 18:37:34,950 INFO L432 NwaCegarLoop]: 29 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, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:37:34,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:37:34,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-08 18:37:34,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 18:37:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:37:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-08 18:37:35,003 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-11-08 18:37:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:37:35,005 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-08 18:37:35,006 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) [2024-11-08 18:37:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-08 18:37:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 18:37:35,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:35,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:35,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:37:35,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:35,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:35,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1266305814, now seen corresponding path program 1 times [2024-11-08 18:37:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:37:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371731305] [2024-11-08 18:37:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:35,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:35,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:37:35,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:37:35,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:37:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:37:35,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:37:35,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:37:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:37:35,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:37:35,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:37:35,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371731305] [2024-11-08 18:37:35,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371731305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:37:35,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:37:35,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:37:35,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199674036] [2024-11-08 18:37:35,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:37:35,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:37:35,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:37:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:37:35,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:37:35,413 INFO L87 Difference]: Start difference. First operand 18 states and 20 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) [2024-11-08 18:37:35,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:37:35,433 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-08 18:37:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:37:35,435 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 [2024-11-08 18:37:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:37:35,436 INFO L225 Difference]: With dead ends: 18 [2024-11-08 18:37:35,436 INFO L226 Difference]: Without dead ends: 17 [2024-11-08 18:37:35,437 INFO L431 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 [2024-11-08 18:37:35,438 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 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 [2024-11-08 18:37:35,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:37:35,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-08 18:37:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-08 18:37:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 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) [2024-11-08 18:37:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-08 18:37:35,445 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-08 18:37:35,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:37:35,446 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-08 18:37:35,446 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) [2024-11-08 18:37:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-08 18:37:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 18:37:35,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:37:35,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:37:35,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:37:35,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:35,649 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:37:35,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:37:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash -600774504, now seen corresponding path program 1 times [2024-11-08 18:37:35,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:37:35,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711166284] [2024-11-08 18:37:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:37:35,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:35,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:37:35,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:37:35,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:37:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:37:35,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:37:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:37:35,861 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:37:35,862 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:37:35,863 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:37:35,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:37:35,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:37:36,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:37:36,071 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 18:37:36,121 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:37:36,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:37:36 BoogieIcfgContainer [2024-11-08 18:37:36,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:37:36,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:37:36,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:37:36,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:37:36,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:37:34" (3/4) ... [2024-11-08 18:37:36,132 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:37:36,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:37:36,135 INFO L158 Benchmark]: Toolchain (without parser) took 4427.17ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 61.7MB in the end (delta: -7.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,135 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 81.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:37:36,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1915.97ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 59.0MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.88ms. Allocated memory is still 111.1MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,138 INFO L158 Benchmark]: Boogie Preprocessor took 71.30ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 53.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,139 INFO L158 Benchmark]: RCFGBuilder took 579.91ms. Allocated memory is still 111.1MB. Free memory was 53.3MB in the beginning and 69.7MB in the end (delta: -16.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,140 INFO L158 Benchmark]: TraceAbstraction took 1766.87ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 62.3MB in the end (delta: 6.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-08 18:37:36,140 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 61.7MB in the end (delta: 607.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:37:36,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 81.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1915.97ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 59.0MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.88ms. Allocated memory is still 111.1MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.30ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 53.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.91ms. Allocated memory is still 111.1MB. Free memory was 53.3MB in the beginning and 69.7MB in the end (delta: -16.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1766.87ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 62.3MB in the end (delta: 6.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 61.7MB in the end (delta: 607.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1570]: 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 large string literal at line 1578, 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] [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_02_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) [L1568] 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] [L1570] 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: 1570]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 60 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 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=25occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:37:36,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff78c3e9-4fe8-45cc-a48c-beb7d9193373/bin/uautomizer-verify-jihMAELWvX/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