./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:00:58,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:00:58,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:00:58,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:00:58,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:00:58,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:00:58,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:00:58,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:00:58,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:00:58,770 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:00:58,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:00:58,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:00:58,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:00:58,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:00:58,772 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:00:58,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:00:58,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:00:58,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:00:58,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:00:58,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:00:58,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:00:58,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:00:58,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:00:58,784 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:00:58,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:00:58,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:00:58,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:00:58,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:00:58,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:00:58,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:00:58,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:00:58,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:00:58,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:00:58,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:00:58,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:00:58,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:00:58,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:00:58,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:00:58,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:00:58,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:00:58,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:00:58,793 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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 [2024-11-08 18:00:59,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:00:59,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:00:59,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:00:59,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:00:59,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:00:59,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i Unable to find full path for "g++" [2024-11-08 18:01:01,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:01:01,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:01:01,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-08 18:01:01,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/2719bd2f5/fcdf317f61884b57b5581ebbdb26ef53/FLAGa1952e892 [2024-11-08 18:01:01,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/2719bd2f5/fcdf317f61884b57b5581ebbdb26ef53 [2024-11-08 18:01:01,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:01:01,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:01:01,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:01:01,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:01:01,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:01:01,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:01:01" (1/1) ... [2024-11-08 18:01:01,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4b901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:01, skipping insertion in model container [2024-11-08 18:01:01,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:01:01" (1/1) ... [2024-11-08 18:01:01,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:01:03,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:01:03,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:01:03,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:01:03,493 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:01:03,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03 WrapperNode [2024-11-08 18:01:03,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:01:03,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:01:03,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:01:03,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:01:03,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,575 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 18:01:03,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:01:03,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:01:03,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:01:03,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:01:03,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,616 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:01:03,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:01:03,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:01:03,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:01:03,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:01:03,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (1/1) ... [2024-11-08 18:01:03,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:01:03,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:01:03,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:01:03,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:01:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:01:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:01:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:01:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:01:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:01:03,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:01:03,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:01:04,017 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 18:01:04,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:01:04,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:01:04,030 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:01:04,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:04 BoogieIcfgContainer [2024-11-08 18:01:04,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:01:04,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:01:04,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:01:04,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:01:04,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:01:01" (1/3) ... [2024-11-08 18:01:04,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc5d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:04, skipping insertion in model container [2024-11-08 18:01:04,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:03" (2/3) ... [2024-11-08 18:01:04,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc5d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:04, skipping insertion in model container [2024-11-08 18:01:04,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:04" (3/3) ... [2024-11-08 18:01:04,043 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-08 18:01:04,076 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:01:04,078 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:01:04,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:01:04,154 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;@26452011, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:01:04,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:01:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 18:01:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:01:04,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:04,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:04,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:01:04,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash -83184607, now seen corresponding path program 1 times [2024-11-08 18:01:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:01:04,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37842543] [2024-11-08 18:01:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:01:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:01:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:04,909 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 18:01:04,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:01:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37842543] [2024-11-08 18:01:04,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37842543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:01:04,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:01:04,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:01:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244568972] [2024-11-08 18:01:04,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:01:04,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:01:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:01:04,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:01:04,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:01:04,962 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 18:01:05,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:01:05,148 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-08 18:01:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:01:05,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 12 [2024-11-08 18:01:05,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:01:05,158 INFO L225 Difference]: With dead ends: 45 [2024-11-08 18:01:05,158 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 18:01:05,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:01:05,168 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 25 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:01:05,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:01:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 18:01:05,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 18:01:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 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 18:01:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2024-11-08 18:01:05,207 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 12 [2024-11-08 18:01:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:01:05,208 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2024-11-08 18:01:05,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 18:01:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2024-11-08 18:01:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:01:05,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:05,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:05,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:01:05,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:01:05,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:05,211 INFO L85 PathProgramCache]: Analyzing trace with hash -83244189, now seen corresponding path program 1 times [2024-11-08 18:01:05,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:01:05,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190290477] [2024-11-08 18:01:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:05,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:01:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:01:05,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:01:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:01:05,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:01:05,281 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:01:05,283 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:01:05,285 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:01:05,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:01:05,291 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:01:05,318 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:01:05,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:01:05 BoogieIcfgContainer [2024-11-08 18:01:05,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:01:05,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:01:05,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:01:05,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:01:05,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:04" (3/4) ... [2024-11-08 18:01:05,334 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:01:05,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:01:05,335 INFO L158 Benchmark]: Toolchain (without parser) took 3521.27ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 112.5MB in the beginning and 154.9MB in the end (delta: -42.4MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,336 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:01:05,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1679.13ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 112.0MB in the beginning and 147.4MB in the end (delta: -35.4MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.79ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,337 INFO L158 Benchmark]: Boogie Preprocessor took 69.95ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,338 INFO L158 Benchmark]: RCFGBuilder took 383.28ms. Allocated memory is still 190.8MB. Free memory was 143.2MB in the beginning and 130.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,339 INFO L158 Benchmark]: TraceAbstraction took 1288.22ms. Allocated memory is still 190.8MB. Free memory was 130.6MB in the beginning and 83.4MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,339 INFO L158 Benchmark]: Witness Printer took 11.96ms. Allocated memory is still 190.8MB. Free memory was 83.4MB in the beginning and 154.9MB in the end (delta: -71.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:01:05,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1679.13ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 112.0MB in the beginning and 147.4MB in the end (delta: -35.4MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.79ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.95ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.28ms. Allocated memory is still 190.8MB. Free memory was 143.2MB in the beginning and 130.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1288.22ms. Allocated memory is still 190.8MB. Free memory was 130.6MB in the beginning and 83.4MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 11.96ms. Allocated memory is still 190.8MB. Free memory was 83.4MB in the beginning and 154.9MB in the end (delta: -71.5MB). Peak memory consumption was 4.2MB. 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_09_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] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1558] 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] [L1560] 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: 1560]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 18 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:01:05,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:01:07,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:01:07,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:01:08,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:01:08,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:01:08,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:01:08,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:01:08,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:01:08,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:01:08,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:01:08,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:01:08,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:01:08,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:01:08,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:01:08,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:01:08,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:01:08,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:01:08,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:01:08,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:01:08,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:01:08,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:01:08,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:01:08,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:01:08,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:01:08,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:01:08,047 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:01:08,047 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:01:08,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:01:08,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:01:08,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:01:08,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:01:08,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:01:08,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:01:08,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:01:08,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:01:08,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:01:08,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:01:08,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:01:08,053 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:01:08,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:01:08,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:01:08,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:01:08,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:01:08,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:01:08,056 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_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bddcdd44fe21a0f70a7196d8d169ad13c8473c91e0bbb384fd473a733e5e298 [2024-11-08 18:01:08,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:01:08,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:01:08,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:01:08,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:01:08,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:01:08,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i Unable to find full path for "g++" [2024-11-08 18:01:10,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:01:11,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:01:11,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-08 18:01:11,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/74d928b58/1e9f9efe55024fdf857e2ada97bcc6b1/FLAG463ffe8f4 [2024-11-08 18:01:11,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/data/74d928b58/1e9f9efe55024fdf857e2ada97bcc6b1 [2024-11-08 18:01:11,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:01:11,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:01:11,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:01:11,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:01:11,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:01:11,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:01:11" (1/1) ... [2024-11-08 18:01:11,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60424ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:11, skipping insertion in model container [2024-11-08 18:01:11,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:01:11" (1/1) ... [2024-11-08 18:01:11,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:01:12,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:01:12,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:01:12,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:01:12,731 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:01:12,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12 WrapperNode [2024-11-08 18:01:12,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:01:12,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:01:12,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:01:12,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:01:12,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,808 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 18:01:12,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:01:12,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:01:12,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:01:12,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:01:12,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,853 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:01:12,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:01:12,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:01:12,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:01:12,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:01:12,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (1/1) ... [2024-11-08 18:01:12,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:01:12,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:01:12,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:01:12,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:01:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:01:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:01:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:01:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:01:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:01:13,195 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:01:13,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:01:13,332 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 18:01:13,332 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:01:13,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:01:13,351 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:01:13,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:13 BoogieIcfgContainer [2024-11-08 18:01:13,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:01:13,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:01:13,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:01:13,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:01:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:01:11" (1/3) ... [2024-11-08 18:01:13,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414bd7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:13, skipping insertion in model container [2024-11-08 18:01:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:01:12" (2/3) ... [2024-11-08 18:01:13,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414bd7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:13, skipping insertion in model container [2024-11-08 18:01:13,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:13" (3/3) ... [2024-11-08 18:01:13,361 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_09_bad.i [2024-11-08 18:01:13,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:01:13,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:01:13,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:01:13,454 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;@15de839a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:01:13,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:01:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 18:01:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:01:13,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:13,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:13,480 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:01:13,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:13,491 INFO L85 PathProgramCache]: Analyzing trace with hash -83184607, now seen corresponding path program 1 times [2024-11-08 18:01:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:01:13,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358730269] [2024-11-08 18:01:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:13,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:01:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:01:13,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:01:13,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:01:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:13,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:01:13,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:01:13,736 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 18:01:13,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:01:13,738 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:01:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358730269] [2024-11-08 18:01:13,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358730269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:01:13,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:01:13,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:01:13,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893637521] [2024-11-08 18:01:13,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:01:13,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:01:13,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:01:13,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:01:13,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:01:13,782 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 18:01:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:01:13,838 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2024-11-08 18:01:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:01:13,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-11-08 18:01:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:01:13,856 INFO L225 Difference]: With dead ends: 49 [2024-11-08 18:01:13,856 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 18:01:13,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 18:01:13,867 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:01:13,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:01:13,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 18:01:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 18:01:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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 18:01:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-08 18:01:13,902 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-08 18:01:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:01:13,903 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-08 18:01:13,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 18:01:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-08 18:01:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:01:13,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:13,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:13,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:01:14,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:01:14,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:01:14,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:14,107 INFO L85 PathProgramCache]: Analyzing trace with hash -83244189, now seen corresponding path program 1 times [2024-11-08 18:01:14,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:01:14,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373825405] [2024-11-08 18:01:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:14,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:01:14,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:01:14,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:01:14,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:01:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:01:14,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:01:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:01:14,280 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:01:14,280 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:01:14,283 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:01:14,285 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:01:14,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:01:14,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:01:14,493 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:01:14,524 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:01:14,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:01:14 BoogieIcfgContainer [2024-11-08 18:01:14,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:01:14,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:01:14,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:01:14,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:01:14,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:13" (3/4) ... [2024-11-08 18:01:14,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:01:14,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:01:14,533 INFO L158 Benchmark]: Toolchain (without parser) took 3310.30ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 46.0MB in the beginning and 49.7MB in the end (delta: -3.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,534 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 52.4MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:01:14,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.33ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 45.7MB in the beginning and 58.6MB in the end (delta: -12.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.08ms. Allocated memory is still 102.8MB. Free memory was 58.6MB in the beginning and 55.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,535 INFO L158 Benchmark]: Boogie Preprocessor took 83.98ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,536 INFO L158 Benchmark]: RCFGBuilder took 457.66ms. Allocated memory is still 102.8MB. Free memory was 52.9MB in the beginning and 68.4MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,536 INFO L158 Benchmark]: TraceAbstraction took 1174.03ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 50.2MB in the end (delta: 17.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-08 18:01:14,537 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 102.8MB. Free memory was 50.2MB in the beginning and 49.7MB in the end (delta: 582.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:01:14,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 52.4MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.33ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 45.7MB in the beginning and 58.6MB in the end (delta: -12.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.08ms. Allocated memory is still 102.8MB. Free memory was 58.6MB in the beginning and 55.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.98ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.66ms. Allocated memory is still 102.8MB. Free memory was 52.9MB in the beginning and 68.4MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1174.03ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 50.2MB in the end (delta: 17.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 102.8MB. Free memory was 50.2MB in the beginning and 49.7MB in the end (delta: 582.7kB). 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_09_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] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] 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: 1560]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 29 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:01:14,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba9dc97-e07c-43cb-97b5-ea2c1a1b9909/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample