./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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 cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:28:51,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:28:51,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:28:51,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:28:51,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:28:51,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:28:51,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:28:51,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:28:51,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:28:51,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:28:51,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:28:51,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:28:51,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:28:51,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:28:51,435 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:28:51,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:28:51,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:28:51,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:28:51,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:28:51,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:28:51,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:28:51,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:28:51,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:28:51,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:28:51,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:28:51,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:28:51,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:28:51,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:28:51,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:28:51,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:28:51,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:28:51,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:28:51,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:28:51,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:28:51,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:28:51,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:28:51,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:28:51,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:28:51,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:28:51,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:28:51,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:28:51,456 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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 [2024-11-08 16:28:51,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:28:51,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:28:51,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:28:51,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:28:51,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:28:51,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i Unable to find full path for "g++" [2024-11-08 16:28:54,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:28:54,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:28:54,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-08 16:28:54,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/ad51336d9/63efffa584f3416784e4ad0c41665b84/FLAG32d386062 [2024-11-08 16:28:55,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/ad51336d9/63efffa584f3416784e4ad0c41665b84 [2024-11-08 16:28:55,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:28:55,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:28:55,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:55,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:28:55,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:28:55,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:55" (1/1) ... [2024-11-08 16:28:55,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764d9c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:55, skipping insertion in model container [2024-11-08 16:28:55,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:55" (1/1) ... [2024-11-08 16:28:55,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:28:56,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:56,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:28:56,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:28:56,954 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:28:56,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56 WrapperNode [2024-11-08 16:28:56,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:28:56,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:56,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:28:56,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:28:56,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,059 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-08 16:28:57,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:28:57,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:28:57,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:28:57,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:28:57,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,087 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,117 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:28:57,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:28:57,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:28:57,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:28:57,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:28:57,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (1/1) ... [2024-11-08 16:28:57,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:28:57,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:28:57,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:28:57,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:28:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:28:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:28:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:28:57,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:28:57,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:28:57,824 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-08 16:28:57,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:28:57,850 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:28:57,852 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:28:57,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:57 BoogieIcfgContainer [2024-11-08 16:28:57,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:28:57,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:28:57,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:28:57,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:28:57,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:28:55" (1/3) ... [2024-11-08 16:28:57,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148686e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:57, skipping insertion in model container [2024-11-08 16:28:57,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:56" (2/3) ... [2024-11-08 16:28:57,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148686e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:28:57, skipping insertion in model container [2024-11-08 16:28:57,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:57" (3/3) ... [2024-11-08 16:28:57,870 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-08 16:28:57,894 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:28:57,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:28:57,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:28:58,016 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;@46542d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:28:58,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:28:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 40 states have internal predecessors, (56), 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 16:28:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 16:28:58,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:58,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:58,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:28:58,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash -897956687, now seen corresponding path program 1 times [2024-11-08 16:28:58,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:58,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19702213] [2024-11-08 16:28:58,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:58,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:28:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:58,472 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 16:28:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:58,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19702213] [2024-11-08 16:28:58,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19702213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:58,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:58,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:28:58,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431379027] [2024-11-08 16:28:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:58,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:28:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:58,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:28:58,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:28:58,521 INFO L87 Difference]: Start difference. First operand has 44 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 40 states have internal predecessors, (56), 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, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 16:28:58,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:58,588 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2024-11-08 16:28:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:28:58,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2024-11-08 16:28:58,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:58,600 INFO L225 Difference]: With dead ends: 44 [2024-11-08 16:28:58,600 INFO L226 Difference]: Without dead ends: 35 [2024-11-08 16:28:58,603 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 16:28:58,608 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:58,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:28:58,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-08 16:28:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-08 16:28:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 16:28:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2024-11-08 16:28:58,660 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 17 [2024-11-08 16:28:58,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:58,660 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-11-08 16:28:58,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 16:28:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 16:28:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 16:28:58,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:58,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:58,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:28:58,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:28:58,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:58,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2066853390, now seen corresponding path program 1 times [2024-11-08 16:28:58,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:58,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133193027] [2024-11-08 16:28:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:58,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:59,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:28:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:59,218 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 16:28:59,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:59,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133193027] [2024-11-08 16:28:59,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133193027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:59,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:59,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:28:59,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848798861] [2024-11-08 16:28:59,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:59,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:59,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:59,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:59,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:59,224 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16:28:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:59,321 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2024-11-08 16:28:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:59,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18 [2024-11-08 16:28:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:59,323 INFO L225 Difference]: With dead ends: 42 [2024-11-08 16:28:59,323 INFO L226 Difference]: Without dead ends: 35 [2024-11-08 16:28:59,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:59,326 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:59,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 191 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:28:59,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-08 16:28:59,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-08 16:28:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.375) internal successors, (44), 32 states have internal predecessors, (44), 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 16:28:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-08 16:28:59,334 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 18 [2024-11-08 16:28:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:59,335 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-08 16:28:59,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16:28:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-08 16:28:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 16:28:59,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:59,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:59,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:28:59,338 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:28:59,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:59,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1186107176, now seen corresponding path program 1 times [2024-11-08 16:28:59,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:59,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68479046] [2024-11-08 16:28:59,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:59,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:59,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:28:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:28:59,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:28:59,421 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:28:59,423 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:28:59,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:28:59,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:28:59,431 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 16:28:59,466 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:28:59,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:28:59 BoogieIcfgContainer [2024-11-08 16:28:59,472 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:28:59,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:28:59,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:28:59,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:28:59,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:28:57" (3/4) ... [2024-11-08 16:28:59,482 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:28:59,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:28:59,484 INFO L158 Benchmark]: Toolchain (without parser) took 4443.76ms. Allocated memory is still 197.1MB. Free memory was 156.8MB in the beginning and 101.3MB in the end (delta: 55.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 16:28:59,486 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:28:59,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1912.44ms. Allocated memory is still 197.1MB. Free memory was 156.1MB in the beginning and 90.3MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 16:28:59,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.10ms. Allocated memory is still 197.1MB. Free memory was 90.3MB in the beginning and 86.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:28:59,489 INFO L158 Benchmark]: Boogie Preprocessor took 92.95ms. Allocated memory is still 197.1MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:28:59,489 INFO L158 Benchmark]: RCFGBuilder took 698.64ms. Allocated memory is still 197.1MB. Free memory was 84.7MB in the beginning and 68.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:28:59,491 INFO L158 Benchmark]: TraceAbstraction took 1616.24ms. Allocated memory is still 197.1MB. Free memory was 67.2MB in the beginning and 101.3MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:28:59,494 INFO L158 Benchmark]: Witness Printer took 10.44ms. Allocated memory is still 197.1MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:28:59,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1912.44ms. Allocated memory is still 197.1MB. Free memory was 156.1MB in the beginning and 90.3MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.10ms. Allocated memory is still 197.1MB. Free memory was 90.3MB in the beginning and 86.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.95ms. Allocated memory is still 197.1MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.64ms. Allocated memory is still 197.1MB. Free memory was 84.7MB in the beginning and 68.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1616.24ms. Allocated memory is still 197.1MB. Free memory was 67.2MB in the beginning and 101.3MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.44ms. Allocated memory is still 197.1MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1573]: 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 1561. 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); [L1548] int CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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, 44 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 96 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.7s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 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 16:28:59,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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 cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:29:02,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:29:02,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:29:02,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:29:02,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:29:02,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:29:02,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:29:02,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:29:02,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:29:02,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:29:02,821 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:29:02,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:29:02,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:29:02,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:29:02,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:29:02,824 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:29:02,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:29:02,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:29:02,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:29:02,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:29:02,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:29:02,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:29:02,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:29:02,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:29:02,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:29:02,829 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:29:02,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:29:02,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:29:02,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:29:02,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:29:02,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:29:02,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:29:02,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:29:02,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:29:02,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:29:02,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:29:02,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:29:02,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:29:02,835 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:29:02,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:29:02,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:29:02,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:29:02,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:29:02,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:29:02,856 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_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 [2024-11-08 16:29:03,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:29:03,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:29:03,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:29:03,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:29:03,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:29:03,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i Unable to find full path for "g++" [2024-11-08 16:29:06,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:29:06,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:29:06,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-08 16:29:06,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/e94de8389/317579de4fb149dcafafca29a5be58f8/FLAG88f89201d [2024-11-08 16:29:06,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/data/e94de8389/317579de4fb149dcafafca29a5be58f8 [2024-11-08 16:29:06,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:29:06,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:29:06,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:29:06,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:29:06,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:29:06,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:29:06" (1/1) ... [2024-11-08 16:29:06,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb063ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:06, skipping insertion in model container [2024-11-08 16:29:06,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:29:06" (1/1) ... [2024-11-08 16:29:06,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:29:08,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:29:08,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:29:08,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:29:08,611 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:29:08,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08 WrapperNode [2024-11-08 16:29:08,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:29:08,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:29:08,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:29:08,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:29:08,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,710 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-08 16:29:08,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:29:08,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:29:08,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:29:08,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:29:08,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,767 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:29:08,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:29:08,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:29:08,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:29:08,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:29:08,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (1/1) ... [2024-11-08 16:29:08,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:29:08,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:08,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:29:08,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:29:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:29:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:29:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:29:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:29:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:29:09,184 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:29:09,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:29:09,448 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 16:29:09,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:29:09,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:29:09,470 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:29:09,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:09 BoogieIcfgContainer [2024-11-08 16:29:09,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:29:09,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:29:09,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:29:09,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:29:09,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:29:06" (1/3) ... [2024-11-08 16:29:09,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3cb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:09, skipping insertion in model container [2024-11-08 16:29:09,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:08" (2/3) ... [2024-11-08 16:29:09,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3cb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:09, skipping insertion in model container [2024-11-08 16:29:09,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:09" (3/3) ... [2024-11-08 16:29:09,487 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-08 16:29:09,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:29:09,514 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:29:09,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:29:09,654 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;@7494ed82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:29:09,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:29:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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 16:29:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 16:29:09,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:09,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:09,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:29:09,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:09,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2024-11-08 16:29:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:09,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755116927] [2024-11-08 16:29:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:09,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:09,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:09,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:29:09,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:29:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:09,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:29:09,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:09,963 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 16:29:09,963 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:29:09,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:09,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755116927] [2024-11-08 16:29:09,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755116927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:09,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:09,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:29:09,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364302842] [2024-11-08 16:29:09,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:09,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:29:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:10,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:29:10,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:29:10,016 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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, 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 16:29:10,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:10,073 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-11-08 16:29:10,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:29:10,077 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 16:29:10,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:10,087 INFO L225 Difference]: With dead ends: 24 [2024-11-08 16:29:10,087 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 16:29:10,090 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 16:29:10,096 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:10,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:29:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 16:29:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 16:29:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 16:29:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-08 16:29:10,147 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2024-11-08 16:29:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:10,148 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-08 16:29:10,148 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 16:29:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-08 16:29:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 16:29:10,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:10,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:10,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:29:10,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:10,355 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:29:10,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1312189892, now seen corresponding path program 1 times [2024-11-08 16:29:10,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:10,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061942953] [2024-11-08 16:29:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:10,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:10,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:10,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:29:10,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:29:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:10,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:29:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:10,621 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:29:10,622 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:29:10,628 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:29:10,630 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:29:10,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:29:10,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:10,840 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:29:10,883 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:29:10,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:29:10 BoogieIcfgContainer [2024-11-08 16:29:10,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:29:10,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:29:10,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:29:10,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:29:10,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:09" (3/4) ... [2024-11-08 16:29:10,894 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:29:10,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:29:10,897 INFO L158 Benchmark]: Toolchain (without parser) took 4234.84ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 35.8MB in the beginning and 64.6MB in the end (delta: -28.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 16:29:10,898 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:29:10,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1947.57ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 35.6MB in the beginning and 79.2MB in the end (delta: -43.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 16:29:10,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.67ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 76.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:29:10,900 INFO L158 Benchmark]: Boogie Preprocessor took 99.02ms. Allocated memory is still 121.6MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:29:10,901 INFO L158 Benchmark]: RCFGBuilder took 656.29ms. Allocated memory is still 121.6MB. Free memory was 73.5MB in the beginning and 58.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:29:10,901 INFO L158 Benchmark]: TraceAbstraction took 1410.62ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 65.2MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:29:10,902 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 64.6MB in the end (delta: 590.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:29:10,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1947.57ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 35.6MB in the beginning and 79.2MB in the end (delta: -43.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.67ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 76.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.02ms. Allocated memory is still 121.6MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.29ms. Allocated memory is still 121.6MB. Free memory was 73.5MB in the beginning and 58.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1410.62ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 65.2MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 64.6MB in the end (delta: 590.7kB). 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: 1573]: 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 1561. 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); [L1548] int CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, 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] [L1573] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 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 16:29:10,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ffc9f2-0e23-4074-9de7-ca8404e0dc0a/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