./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_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_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/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_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/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_5b48b70e-3e11-4fb8-b973-28737219165b/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 aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:21:18,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:21:18,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:21:18,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:21:18,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:21:18,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:21:18,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:21:18,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:21:18,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:21:18,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:21:18,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:21:18,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:21:18,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:21:18,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:21:18,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:21:18,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:21:18,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:21:18,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:21:18,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:21:18,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:21:18,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:21:18,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:21:18,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:21:18,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:21:18,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:21:18,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:21:18,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:21:18,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:21:18,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:21:18,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:21:18,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:21:18,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:18,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:21:18,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:21:18,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:21:18,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:21:18,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:21:18,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:21:18,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:21:18,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:21:18,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:21:18,967 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_5b48b70e-3e11-4fb8-b973-28737219165b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2024-11-08 17:21:19,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:21:19,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:21:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:21:19,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:21:19,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:21:19,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i Unable to find full path for "g++" [2024-11-08 17:21:21,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:21:21,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:21:21,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-11-08 17:21:21,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/d6abac201/8c77cca84481432d97f2b8d93ced4e17/FLAGb7dd0413b [2024-11-08 17:21:21,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/d6abac201/8c77cca84481432d97f2b8d93ced4e17 [2024-11-08 17:21:21,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:21:21,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:21:21,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:21,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:21:21,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:21:21,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:21" (1/1) ... [2024-11-08 17:21:21,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f05106d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:21, skipping insertion in model container [2024-11-08 17:21:21,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:21" (1/1) ... [2024-11-08 17:21:22,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:21:23,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:23,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:21:23,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:23,507 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:21:23,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23 WrapperNode [2024-11-08 17:21:23,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:23,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:23,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:21:23,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:21:23,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,590 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2024-11-08 17:21:23,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:23,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:21:23,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:21:23,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:21:23,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,620 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:21:23,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:21:23,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:21:23,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:21:23,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:21:23,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (1/1) ... [2024-11-08 17:21:23,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:23,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:23,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:21:23,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:21:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:21:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:21:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:21:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:21:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:21:23,888 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:21:23,890 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:21:24,147 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-08 17:21:24,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:21:24,161 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:21:24,161 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:21:24,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:24 BoogieIcfgContainer [2024-11-08 17:21:24,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:21:24,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:21:24,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:21:24,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:21:24,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:21:21" (1/3) ... [2024-11-08 17:21:24,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12b6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:24, skipping insertion in model container [2024-11-08 17:21:24,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:23" (2/3) ... [2024-11-08 17:21:24,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12b6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:24, skipping insertion in model container [2024-11-08 17:21:24,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:24" (3/3) ... [2024-11-08 17:21:24,172 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-11-08 17:21:24,193 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:21:24,193 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 17:21:24,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:21:24,273 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;@6dd96a47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:21:24,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 17:21:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 50 states have internal predecessors, (68), 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 17:21:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 17:21:24,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:24,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:24,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:24,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:24,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2082585905, now seen corresponding path program 1 times [2024-11-08 17:21:24,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:24,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744374627] [2024-11-08 17:21:24,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:24,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:24,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:21:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:24,669 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 17:21:24,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:24,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744374627] [2024-11-08 17:21:24,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744374627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:24,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:24,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:21:24,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444180217] [2024-11-08 17:21:24,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:24,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:21:24,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:24,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:21:24,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:21:24,712 INFO L87 Difference]: Start difference. First operand has 54 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 50 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:24,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:24,765 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2024-11-08 17:21:24,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:21:24,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-08 17:21:24,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:24,779 INFO L225 Difference]: With dead ends: 100 [2024-11-08 17:21:24,779 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 17:21:24,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:21:24,790 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 36 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:24,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 133 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:24,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 17:21:24,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 50. [2024-11-08 17:21:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 47 states have internal predecessors, (64), 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 17:21:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-11-08 17:21:24,829 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 13 [2024-11-08 17:21:24,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:24,829 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-11-08 17:21:24,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-08 17:21:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 17:21:24,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:24,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:24,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:21:24,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:24,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash -672473326, now seen corresponding path program 1 times [2024-11-08 17:21:24,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:24,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032117212] [2024-11-08 17:21:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:21:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:25,090 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 17:21:25,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:25,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032117212] [2024-11-08 17:21:25,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032117212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:25,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:25,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:21:25,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287797370] [2024-11-08 17:21:25,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:25,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:25,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:25,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:25,098 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:25,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:25,157 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2024-11-08 17:21:25,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:25,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-08 17:21:25,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:25,159 INFO L225 Difference]: With dead ends: 76 [2024-11-08 17:21:25,159 INFO L226 Difference]: Without dead ends: 74 [2024-11-08 17:21:25,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:25,161 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 30 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:25,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 171 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:25,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-08 17:21:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-08 17:21:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 71 states have internal predecessors, (101), 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 17:21:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2024-11-08 17:21:25,171 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 17 [2024-11-08 17:21:25,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:25,172 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2024-11-08 17:21:25,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2024-11-08 17:21:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 17:21:25,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:25,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:25,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:21:25,174 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:25,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash -224490502, now seen corresponding path program 1 times [2024-11-08 17:21:25,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:25,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379406279] [2024-11-08 17:21:25,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:21:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:21:25,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:25,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379406279] [2024-11-08 17:21:25,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379406279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:25,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:25,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:21:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543737508] [2024-11-08 17:21:25,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:25,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:21:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:25,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:21:25,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:25,582 INFO L87 Difference]: Start difference. First operand 74 states and 103 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 17:21:25,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:25,765 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2024-11-08 17:21:25,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:21:25,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 23 [2024-11-08 17:21:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:25,767 INFO L225 Difference]: With dead ends: 116 [2024-11-08 17:21:25,767 INFO L226 Difference]: Without dead ends: 115 [2024-11-08 17:21:25,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:21:25,769 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 47 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:25,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 303 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:21:25,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-08 17:21:25,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 88. [2024-11-08 17:21:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.4875) internal successors, (119), 85 states have internal predecessors, (119), 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 17:21:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 121 transitions. [2024-11-08 17:21:25,782 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 121 transitions. Word has length 23 [2024-11-08 17:21:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:25,782 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 121 transitions. [2024-11-08 17:21:25,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 17:21:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2024-11-08 17:21:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 17:21:25,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:25,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:25,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:21:25,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:25,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:25,785 INFO L85 PathProgramCache]: Analyzing trace with hash -579740512, now seen corresponding path program 1 times [2024-11-08 17:21:25,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:25,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570130605] [2024-11-08 17:21:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:25,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:25,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:21:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:25,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:21:25,857 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:21:25,858 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-08 17:21:25,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-08 17:21:25,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-08 17:21:25,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-08 17:21:25,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-08 17:21:25,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-08 17:21:25,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:21:25,867 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 17:21:25,907 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:21:25,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:21:25 BoogieIcfgContainer [2024-11-08 17:21:25,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:21:25,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:21:25,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:21:25,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:21:25,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:24" (3/4) ... [2024-11-08 17:21:25,916 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:21:25,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:21:25,919 INFO L158 Benchmark]: Toolchain (without parser) took 4009.63ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 83.2MB in the end (delta: 15.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,919 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:25,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1596.12ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 132.1MB in the end (delta: -33.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.82ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 128.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,921 INFO L158 Benchmark]: Boogie Preprocessor took 46.51ms. Allocated memory is still 182.5MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,922 INFO L158 Benchmark]: RCFGBuilder took 522.97ms. Allocated memory is still 182.5MB. Free memory was 126.8MB in the beginning and 109.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,922 INFO L158 Benchmark]: TraceAbstraction took 1746.27ms. Allocated memory is still 182.5MB. Free memory was 107.9MB in the beginning and 83.2MB in the end (delta: 24.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-08 17:21:25,923 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 182.5MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:25,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1596.12ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 132.1MB in the end (delta: -33.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.82ms. Allocated memory is still 182.5MB. Free memory was 132.1MB in the beginning and 128.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.51ms. Allocated memory is still 182.5MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.97ms. Allocated memory is still 182.5MB. Free memory was 126.8MB in the beginning and 109.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1746.27ms. Allocated memory is still 182.5MB. Free memory was 107.9MB in the beginning and 83.2MB in the end (delta: 24.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 182.5MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND FALSE !(i < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1555] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND TRUE i < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND FALSE !(j < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 [L1560] 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, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 54 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 607 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 180 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 49 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 17:21:25,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/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_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/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_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/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_5b48b70e-3e11-4fb8-b973-28737219165b/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 aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:21:28,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:21:28,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:21:28,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:21:28,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:21:28,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:21:28,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:21:28,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:21:28,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:21:28,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:21:28,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:21:28,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:21:28,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:21:28,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:21:28,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:21:28,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:21:28,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:21:28,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:21:28,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:21:28,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:21:28,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:21:28,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:21:28,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:21:28,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:21:28,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:21:28,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:21:28,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:21:28,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:21:28,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:21:28,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:21:28,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:21:28,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:21:28,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:21:28,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:21:28,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:28,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:21:28,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:21:28,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:21:28,776 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:21:28,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:21:28,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:21:28,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:21:28,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:21:28,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:21:28,778 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_5b48b70e-3e11-4fb8-b973-28737219165b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2024-11-08 17:21:29,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:21:29,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:21:29,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:21:29,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:21:29,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:21:29,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i Unable to find full path for "g++" [2024-11-08 17:21:31,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:21:31,810 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:21:31,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-11-08 17:21:31,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/1f751c659/8c6516c134e64ad7875be5296d7a29a8/FLAGdf0f843c8 [2024-11-08 17:21:31,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/data/1f751c659/8c6516c134e64ad7875be5296d7a29a8 [2024-11-08 17:21:31,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:21:31,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:21:31,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:31,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:21:31,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:21:31,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:31" (1/1) ... [2024-11-08 17:21:31,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7729a4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:31, skipping insertion in model container [2024-11-08 17:21:31,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:31" (1/1) ... [2024-11-08 17:21:32,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:21:33,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:33,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:21:33,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:33,393 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:21:33,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33 WrapperNode [2024-11-08 17:21:33,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:33,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:33,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:21:33,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:21:33,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,452 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-08 17:21:33,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:33,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:21:33,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:21:33,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:21:33,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,503 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:21:33,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:21:33,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:21:33,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:21:33,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:21:33,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (1/1) ... [2024-11-08 17:21:33,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:33,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:33,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:21:33,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:21:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:21:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:21:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:21:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:21:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:21:33,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:21:33,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:21:34,095 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-08 17:21:34,095 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:21:34,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:21:34,112 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:21:34,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:34 BoogieIcfgContainer [2024-11-08 17:21:34,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:21:34,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:21:34,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:21:34,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:21:34,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:21:31" (1/3) ... [2024-11-08 17:21:34,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60221b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:34, skipping insertion in model container [2024-11-08 17:21:34,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:33" (2/3) ... [2024-11-08 17:21:34,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60221b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:34, skipping insertion in model container [2024-11-08 17:21:34,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:34" (3/3) ... [2024-11-08 17:21:34,124 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-11-08 17:21:34,147 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:21:34,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 17:21:34,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:21:34,249 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;@8dc0203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:21:34,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 17:21:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 17:21:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 17:21:34,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:34,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:34,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:34,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1112658652, now seen corresponding path program 1 times [2024-11-08 17:21:34,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:34,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165945545] [2024-11-08 17:21:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:34,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:34,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:34,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:21:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:34,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:21:34,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:34,491 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 17:21:34,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:34,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:34,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165945545] [2024-11-08 17:21:34,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165945545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:34,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:34,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:21:34,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812966797] [2024-11-08 17:21:34,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:34,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:21:34,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:34,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:21:34,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:21:34,536 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:34,557 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2024-11-08 17:21:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:21:34,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-08 17:21:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:34,585 INFO L225 Difference]: With dead ends: 34 [2024-11-08 17:21:34,586 INFO L226 Difference]: Without dead ends: 25 [2024-11-08 17:21:34,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 17:21:34,596 INFO L432 NwaCegarLoop]: 37 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, 37 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 17:21:34,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:34,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-08 17:21:34,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-08 17:21:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 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 17:21:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-11-08 17:21:34,667 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2024-11-08 17:21:34,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:34,669 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-08 17:21:34,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-08 17:21:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 17:21:34,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:34,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:34,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:21:34,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:34,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:34,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:34,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1095572489, now seen corresponding path program 1 times [2024-11-08 17:21:34,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098061180] [2024-11-08 17:21:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:34,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:34,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:34,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:34,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:21:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:34,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:21:34,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:35,060 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 17:21:35,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:35,061 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:35,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098061180] [2024-11-08 17:21:35,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098061180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:35,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:35,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:21:35,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560578237] [2024-11-08 17:21:35,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:35,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:35,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:35,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:35,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:35,071 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:35,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:35,116 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2024-11-08 17:21:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:35,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-08 17:21:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:35,118 INFO L225 Difference]: With dead ends: 35 [2024-11-08 17:21:35,119 INFO L226 Difference]: Without dead ends: 34 [2024-11-08 17:21:35,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:35,120 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:35,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 74 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:35,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-08 17:21:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-11-08 17:21:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 28 states have internal predecessors, (35), 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 17:21:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-08 17:21:35,129 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 13 [2024-11-08 17:21:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:35,130 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-08 17:21:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:21:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-08 17:21:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 17:21:35,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:35,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:35,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:35,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:35,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:35,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash -132679782, now seen corresponding path program 1 times [2024-11-08 17:21:35,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:35,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249625981] [2024-11-08 17:21:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:35,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:35,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:35,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:35,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:21:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:35,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:21:35,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:35,511 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 17:21:35,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:35,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249625981] [2024-11-08 17:21:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249625981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:21:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70181115] [2024-11-08 17:21:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:35,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:35,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:35,518 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:21:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:35,579 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-08 17:21:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:35,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) Word has length 14 [2024-11-08 17:21:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:35,582 INFO L225 Difference]: With dead ends: 45 [2024-11-08 17:21:35,583 INFO L226 Difference]: Without dead ends: 31 [2024-11-08 17:21:35,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:35,585 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:35,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:35,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-08 17:21:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-08 17:21:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 28 states have internal predecessors, (34), 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 17:21:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-08 17:21:35,599 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 14 [2024-11-08 17:21:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:35,600 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-08 17:21:35,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:21:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-08 17:21:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 17:21:35,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:35,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:35,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:35,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:35,807 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:21:35,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:35,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1721095796, now seen corresponding path program 1 times [2024-11-08 17:21:35,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:35,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795111265] [2024-11-08 17:21:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:35,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:35,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:35,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:35,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:21:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:35,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:21:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:35,968 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:21:35,969 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:21:35,970 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-08 17:21:35,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-08 17:21:35,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-08 17:21:35,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-08 17:21:35,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-08 17:21:35,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-08 17:21:35,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:21:36,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:36,177 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 17:21:36,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:21:36,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:21:36 BoogieIcfgContainer [2024-11-08 17:21:36,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:21:36,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:21:36,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:21:36,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:21:36,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:34" (3/4) ... [2024-11-08 17:21:36,213 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:21:36,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:21:36,216 INFO L158 Benchmark]: Toolchain (without parser) took 4334.96ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 44.6MB in the beginning and 62.9MB in the end (delta: -18.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,220 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:36,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.22ms. Allocated memory is still 94.4MB. Free memory was 44.6MB in the beginning and 39.3MB in the end (delta: 5.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.12ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 35.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,221 INFO L158 Benchmark]: Boogie Preprocessor took 91.93ms. Allocated memory is still 94.4MB. Free memory was 35.9MB in the beginning and 69.1MB in the end (delta: -33.2MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,222 INFO L158 Benchmark]: RCFGBuilder took 567.16ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 53.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,223 INFO L158 Benchmark]: TraceAbstraction took 2092.25ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 52.7MB in the beginning and 63.7MB in the end (delta: -11.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,224 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 62.9MB in the end (delta: 852.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:36,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.22ms. Allocated memory is still 94.4MB. Free memory was 44.6MB in the beginning and 39.3MB in the end (delta: 5.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.12ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 35.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.93ms. Allocated memory is still 94.4MB. Free memory was 35.9MB in the beginning and 69.1MB in the end (delta: -33.2MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * RCFGBuilder took 567.16ms. Allocated memory is still 94.4MB. Free memory was 68.5MB in the beginning and 53.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2092.25ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 52.7MB in the beginning and 63.7MB in the end (delta: -11.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 62.9MB in the end (delta: 852.1kB). 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND FALSE !(i < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND TRUE i < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND FALSE !(j < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 [L1560] 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, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 87 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 17:21:36,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b48b70e-3e11-4fb8-b973-28737219165b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample