./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:21:55,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:21:55,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:21:55,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:21:55,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:21:55,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:21:55,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:21:55,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:21:55,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:21:55,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:21:55,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:21:55,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:21:55,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:21:55,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:21:55,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:21:55,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:21:55,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:21:55,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:21:55,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:21:55,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:21:55,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:21:55,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:21:55,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:21:55,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:21:55,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:21:55,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:21:55,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:21:55,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:21:55,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:21:55,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:21:55,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:21:55,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:21:55,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:21:55,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:21:55,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:21:55,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:21:55,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:21:55,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:21:55,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:21:55,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:21:55,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:21:55,300 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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f [2024-11-08 18:21:55,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:21:55,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:21:55,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:21:55,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:21:55,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:21:55,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i Unable to find full path for "g++" [2024-11-08 18:21:58,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:21:58,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:21:58,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2024-11-08 18:21:58,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/0c55516f8/5cb609ced23f45ab81c54b885a606501/FLAG6e793664f [2024-11-08 18:21:58,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/0c55516f8/5cb609ced23f45ab81c54b885a606501 [2024-11-08 18:21:58,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:21:58,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:21:58,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:21:58,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:21:58,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:21:58,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:21:58" (1/1) ... [2024-11-08 18:21:58,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f46b0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:58, skipping insertion in model container [2024-11-08 18:21:58,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:21:58" (1/1) ... [2024-11-08 18:21:59,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:22:00,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:22:00,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:22:00,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:22:00,882 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:22:00,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00 WrapperNode [2024-11-08 18:22:00,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:22:00,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:22:00,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:22:00,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:22:00,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:00,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:00,981 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-08 18:22:00,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:22:00,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:22:00,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:22:00,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:22:00,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:00,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:00,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,014 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:22:01,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:22:01,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:22:01,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:22:01,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:22:01,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (1/1) ... [2024-11-08 18:22:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:22:01,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:22:01,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:22:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:22:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:22:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:22:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:22:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:22:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:22:01,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:22:01,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:22:01,652 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 18:22:01,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:22:01,667 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:22:01,668 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:22:01,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:01 BoogieIcfgContainer [2024-11-08 18:22:01,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:22:01,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:22:01,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:22:01,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:22:01,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:21:58" (1/3) ... [2024-11-08 18:22:01,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299770a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:22:01, skipping insertion in model container [2024-11-08 18:22:01,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:00" (2/3) ... [2024-11-08 18:22:01,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299770a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:22:01, skipping insertion in model container [2024-11-08 18:22:01,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:01" (3/3) ... [2024-11-08 18:22:01,681 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2024-11-08 18:22:01,706 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:22:01,707 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:22:01,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:22:01,813 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;@610a4640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:22:01,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:22:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:22:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 18:22:01,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:01,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:01,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:22:01,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:01,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1664946168, now seen corresponding path program 1 times [2024-11-08 18:22:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009719415] [2024-11-08 18:22:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:02,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:22:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:22:02,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:02,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009719415] [2024-11-08 18:22:02,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009719415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:02,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:02,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:22:02,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252110485] [2024-11-08 18:22:02,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:02,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:22:02,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:02,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:22:02,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:22:02,511 INFO L87 Difference]: Start difference. First operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 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 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:02,564 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2024-11-08 18:22:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:22:02,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-08 18:22:02,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:02,579 INFO L225 Difference]: With dead ends: 42 [2024-11-08 18:22:02,579 INFO L226 Difference]: Without dead ends: 33 [2024-11-08 18:22:02,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:22:02,587 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:02,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:22:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-08 18:22:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-08 18:22:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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 18:22:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-11-08 18:22:02,639 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-11-08 18:22:02,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:02,640 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-11-08 18:22:02,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-08 18:22:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 18:22:02,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:02,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:02,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:22:02,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:22:02,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:02,645 INFO L85 PathProgramCache]: Analyzing trace with hash 73723781, now seen corresponding path program 1 times [2024-11-08 18:22:02,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:02,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677517247] [2024-11-08 18:22:02,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:22:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:22:03,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:22:03,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677517247] [2024-11-08 18:22:03,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677517247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:03,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:03,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:22:03,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829637243] [2024-11-08 18:22:03,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:03,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:22:03,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:22:03,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:22:03,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:22:03,049 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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 18:22:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:03,153 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2024-11-08 18:22:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:22:03,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) Word has length 16 [2024-11-08 18:22:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:03,155 INFO L225 Difference]: With dead ends: 38 [2024-11-08 18:22:03,155 INFO L226 Difference]: Without dead ends: 33 [2024-11-08 18:22:03,156 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 18:22:03,158 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:03,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 178 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:22:03,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-08 18:22:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-08 18:22:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-11-08 18:22:03,166 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-11-08 18:22:03,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:03,166 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-11-08 18:22:03,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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 18:22:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-08 18:22:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 18:22:03,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:03,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:03,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:22:03,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:22:03,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2076872683, now seen corresponding path program 1 times [2024-11-08 18:22:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:22:03,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391980733] [2024-11-08 18:22:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:22:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:22:03,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:22:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:22:03,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:22:03,280 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:22:03,281 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:22:03,285 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:22:03,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:22:03,290 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 18:22:03,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:22:03,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:22:03 BoogieIcfgContainer [2024-11-08 18:22:03,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:22:03,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:22:03,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:22:03,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:22:03,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:01" (3/4) ... [2024-11-08 18:22:03,342 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:22:03,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:22:03,345 INFO L158 Benchmark]: Toolchain (without parser) took 4388.01ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 73.7MB in the beginning and 82.9MB in the end (delta: -9.2MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,346 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:22:03,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1923.85ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.40ms. Allocated memory is still 146.8MB. Free memory was 71.1MB in the beginning and 67.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,348 INFO L158 Benchmark]: Boogie Preprocessor took 48.66ms. Allocated memory is still 146.8MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,349 INFO L158 Benchmark]: RCFGBuilder took 636.62ms. Allocated memory is still 146.8MB. Free memory was 65.7MB in the beginning and 100.9MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,349 INFO L158 Benchmark]: TraceAbstraction took 1665.88ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 82.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 18:22:03,350 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 146.8MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:22:03,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1923.85ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.40ms. Allocated memory is still 146.8MB. Free memory was 71.1MB in the beginning and 67.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.66ms. Allocated memory is still 146.8MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.62ms. Allocated memory is still 146.8MB. Free memory was 65.7MB in the beginning and 100.9MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1665.88ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 82.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 146.8MB. Free memory is still 82.9MB. 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: 1551]: 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 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 42 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, 280 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 191 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 89 mSDtfsCounter, 52 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=42occurred 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, 0.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:22:03,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:22:06,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:22:06,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:22:06,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:22:06,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:22:06,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:22:06,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:22:06,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:22:06,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:22:06,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:22:06,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:22:06,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:22:06,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:22:06,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:22:06,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:22:06,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:22:06,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:22:06,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:22:06,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:22:06,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:22:06,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:22:06,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:22:06,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:22:06,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:22:06,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:22:06,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:22:06,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:22:06,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:22:06,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:22:06,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:22:06,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:22:06,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:22:06,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:22:06,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:22:06,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:22:06,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:22:06,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:22:06,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:22:06,738 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:22:06,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:22:06,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:22:06,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:22:06,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:22:06,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:22:06,740 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_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f [2024-11-08 18:22:07,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:22:07,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:22:07,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:22:07,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:22:07,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:22:07,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i Unable to find full path for "g++" [2024-11-08 18:22:09,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:22:10,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:22:10,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2024-11-08 18:22:10,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/e090e0766/280fcb136a2c418fa66e40f15da3b1ad/FLAGa129ef18c [2024-11-08 18:22:10,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/data/e090e0766/280fcb136a2c418fa66e40f15da3b1ad [2024-11-08 18:22:10,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:22:10,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:22:10,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:22:10,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:22:10,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:22:10,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:22:10" (1/1) ... [2024-11-08 18:22:10,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee775d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:10, skipping insertion in model container [2024-11-08 18:22:10,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:22:10" (1/1) ... [2024-11-08 18:22:10,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:22:11,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:22:11,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:22:12,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:22:12,364 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:22:12,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12 WrapperNode [2024-11-08 18:22:12,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:22:12,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:22:12,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:22:12,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:22:12,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,449 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-08 18:22:12,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:22:12,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:22:12,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:22:12,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:22:12,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,483 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:22:12,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:22:12,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:22:12,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:22:12,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:22:12,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (1/1) ... [2024-11-08 18:22:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:22:12,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:22:12,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:22:12,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:22:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:22:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:22:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:22:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:22:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:22:12,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:22:12,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:22:13,008 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 18:22:13,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:22:13,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:22:13,031 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:22:13,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:13 BoogieIcfgContainer [2024-11-08 18:22:13,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:22:13,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:22:13,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:22:13,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:22:13,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:22:10" (1/3) ... [2024-11-08 18:22:13,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea72c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:22:13, skipping insertion in model container [2024-11-08 18:22:13,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:22:12" (2/3) ... [2024-11-08 18:22:13,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea72c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:22:13, skipping insertion in model container [2024-11-08 18:22:13,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:13" (3/3) ... [2024-11-08 18:22:13,043 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2024-11-08 18:22:13,067 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:22:13,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:22:13,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:22:13,164 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;@264be0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:22:13,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:22:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:22:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:22:13,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:13,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:13,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:22:13,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:13,204 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2024-11-08 18:22:13,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:22:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212605041] [2024-11-08 18:22:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:13,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:22:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:22:13,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:22:13,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:22:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:22:13,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:22:13,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:22:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:22:13,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:22:13,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:22:13,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212605041] [2024-11-08 18:22:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212605041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:22:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:22:13,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:22:13,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760061395] [2024-11-08 18:22:13,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:22:13,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:22:13,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:22:13,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:22:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:22:13,506 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:22:13,526 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-08 18:22:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:22:13,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 18:22:13,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:22:13,538 INFO L225 Difference]: With dead ends: 22 [2024-11-08 18:22:13,539 INFO L226 Difference]: Without dead ends: 13 [2024-11-08 18:22:13,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:22:13,547 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:22:13,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:22:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-08 18:22:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-08 18:22:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-08 18:22:13,591 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-08 18:22:13,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:22:13,592 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-08 18:22:13,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:22:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 18:22:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:22:13,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:22:13,596 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:22:13,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:22:13,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:22:13,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:22:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:22:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2024-11-08 18:22:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:22:13,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074192972] [2024-11-08 18:22:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:22:13,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:22:13,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:22:13,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:22:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:22:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:22:13,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:22:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:22:14,014 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:22:14,015 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:22:14,017 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:22:14,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:22:14,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:22:14,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:22:14,224 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:22:14,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:22:14,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:22:14 BoogieIcfgContainer [2024-11-08 18:22:14,265 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:22:14,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:22:14,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:22:14,266 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:22:14,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:22:13" (3/4) ... [2024-11-08 18:22:14,271 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:22:14,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:22:14,273 INFO L158 Benchmark]: Toolchain (without parser) took 3768.22ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 44.0MB in the end (delta: 3.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,274 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:22:14,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1859.01ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.6MB in the beginning and 67.2MB in the end (delta: -19.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.59ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 64.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,277 INFO L158 Benchmark]: Boogie Preprocessor took 53.94ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 61.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,277 INFO L158 Benchmark]: RCFGBuilder took 526.89ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 48.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,278 INFO L158 Benchmark]: TraceAbstraction took 1230.37ms. Allocated memory is still 96.5MB. Free memory was 47.1MB in the beginning and 44.7MB in the end (delta: 2.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,279 INFO L158 Benchmark]: Witness Printer took 6.70ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 44.0MB in the end (delta: 634.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:22:14,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1859.01ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.6MB in the beginning and 67.2MB in the end (delta: -19.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.59ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 64.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.94ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 61.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.89ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 48.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1230.37ms. Allocated memory is still 96.5MB. Free memory was 47.1MB in the beginning and 44.7MB in the end (delta: 2.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 6.70ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 44.0MB in the end (delta: 634.3kB). Peak memory consumption was 2.1MB. 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: 1551]: 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 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:22:14,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e84370a-d6cd-4775-a715-2310c2cc3a9e/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