./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_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_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/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_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/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_da9e3d26-f0dd-4723-928f-c5842269e8a5/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 0a8c14371ace8836790ae923a60e10c38311139c7ebd218dd2592fea3c4c0de9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:42:38,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:42:38,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:42:38,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:42:38,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:42:38,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:42:38,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:42:38,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:42:38,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:42:38,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:42:38,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:42:38,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:42:38,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:42:38,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:42:38,706 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:42:38,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:42:38,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:42:38,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:42:38,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:42:38,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:42:38,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:42:38,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:42:38,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:42:38,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:42:38,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:42:38,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:42:38,713 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:42:38,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:42:38,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:42:38,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:42:38,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:42:38,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:38,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:42:38,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:42:38,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:42:38,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:42:38,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:42:38,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:42:38,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:42:38,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:42:38,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:42:38,719 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_da9e3d26-f0dd-4723-928f-c5842269e8a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a8c14371ace8836790ae923a60e10c38311139c7ebd218dd2592fea3c4c0de9 [2024-11-08 18:42:39,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:42:39,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:42:39,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:42:39,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:42:39,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:42:39,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i Unable to find full path for "g++" [2024-11-08 18:42:41,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:42:41,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:42:41,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i [2024-11-08 18:42:41,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/98b039092/e2ced40e6af5435683151e5f4c778892/FLAG76d8ed7ed [2024-11-08 18:42:41,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/98b039092/e2ced40e6af5435683151e5f4c778892 [2024-11-08 18:42:41,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:42:41,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:42:41,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:41,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:42:41,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:42:41,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:41" (1/1) ... [2024-11-08 18:42:41,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5101f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:41, skipping insertion in model container [2024-11-08 18:42:41,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:41" (1/1) ... [2024-11-08 18:42:42,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:42:43,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:43,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:42:43,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:43,605 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:42:43,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43 WrapperNode [2024-11-08 18:42:43,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:43,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:43,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:42:43,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:42:43,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,701 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-08 18:42:43,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:43,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:42:43,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:42:43,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:42:43,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,761 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-08 18:42:43,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:42:43,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:42:43,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:42:43,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:42:43,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (1/1) ... [2024-11-08 18:42:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:43,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:42:43,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:42:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:42:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:42:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:42:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:42:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:42:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:42:44,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:42:44,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:42:44,322 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 18:42:44,322 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:42:44,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:42:44,336 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:42:44,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:44 BoogieIcfgContainer [2024-11-08 18:42:44,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:42:44,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:42:44,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:42:44,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:42:44,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:42:41" (1/3) ... [2024-11-08 18:42:44,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e961ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:44, skipping insertion in model container [2024-11-08 18:42:44,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:43" (2/3) ... [2024-11-08 18:42:44,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e961ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:44, skipping insertion in model container [2024-11-08 18:42:44,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:44" (3/3) ... [2024-11-08 18:42:44,349 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i [2024-11-08 18:42:44,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:42:44,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 18:42:44,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:42:44,461 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;@1f3140f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:42:44,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 18:42:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:42:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 18:42:44,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:44,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:44,477 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 18:42:44,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:44,482 INFO L85 PathProgramCache]: Analyzing trace with hash -707753098, now seen corresponding path program 1 times [2024-11-08 18:42:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:44,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190664184] [2024-11-08 18:42:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:42:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:45,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190664184] [2024-11-08 18:42:45,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190664184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:45,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:45,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:42:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924207538] [2024-11-08 18:42:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:45,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:42:45,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:45,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:42:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:42:45,138 INFO L87 Difference]: Start difference. First operand has 38 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 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 18:42:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:45,216 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2024-11-08 18:42:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:42:45,219 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 18:42:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:45,228 INFO L225 Difference]: With dead ends: 72 [2024-11-08 18:42:45,228 INFO L226 Difference]: Without dead ends: 40 [2024-11-08 18:42:45,232 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 18:42:45,236 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:45,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 119 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-08 18:42:45,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-08 18:42:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.4) internal successors, (42), 35 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:42:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-11-08 18:42:45,293 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 13 [2024-11-08 18:42:45,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:45,295 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-08 18:42:45,295 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 18:42:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-11-08 18:42:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 18:42:45,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:45,299 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:45,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:42:45,300 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 18:42:45,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:45,302 INFO L85 PathProgramCache]: Analyzing trace with hash 233962761, now seen corresponding path program 1 times [2024-11-08 18:42:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:45,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399008541] [2024-11-08 18:42:45,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:45,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:42:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399008541] [2024-11-08 18:42:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399008541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:42:45,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187362770] [2024-11-08 18:42:45,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:45,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:45,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:45,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:45,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:42:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:45,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:42:45,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:45,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:42:45,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187362770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:45,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:42:45,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-08 18:42:45,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144186299] [2024-11-08 18:42:45,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:45,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:42:45,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:45,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:42:45,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:42:45,924 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:45,980 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2024-11-08 18:42:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:42:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 19 [2024-11-08 18:42:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:45,982 INFO L225 Difference]: With dead ends: 59 [2024-11-08 18:42:45,983 INFO L226 Difference]: Without dead ends: 31 [2024-11-08 18:42:45,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:42:45,986 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:45,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 108 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-08 18:42:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-08 18:42:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 27 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:42:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-08 18:42:45,995 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 19 [2024-11-08 18:42:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:45,996 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-08 18:42:45,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-08 18:42:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 18:42:45,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:45,997 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] [2024-11-08 18:42:46,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:42:46,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:46,202 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 18:42:46,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:46,203 INFO L85 PathProgramCache]: Analyzing trace with hash -748252909, now seen corresponding path program 1 times [2024-11-08 18:42:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:46,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688363758] [2024-11-08 18:42:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:46,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:42:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:42:46,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:42:46,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688363758] [2024-11-08 18:42:46,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688363758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:46,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:46,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:42:46,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724593194] [2024-11-08 18:42:46,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:46,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:42:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:42:46,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:42:46,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:46,318 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:46,350 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-11-08 18:42:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:42:46,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2024-11-08 18:42:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:46,354 INFO L225 Difference]: With dead ends: 51 [2024-11-08 18:42:46,354 INFO L226 Difference]: Without dead ends: 38 [2024-11-08 18:42:46,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:46,356 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:46,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 64 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-08 18:42:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-08 18:42:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:42:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-08 18:42:46,372 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 20 [2024-11-08 18:42:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:46,372 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-08 18:42:46,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-08 18:42:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 18:42:46,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:46,375 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] [2024-11-08 18:42:46,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:42:46,377 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 18:42:46,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1721003615, now seen corresponding path program 1 times [2024-11-08 18:42:46,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:42:46,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94563800] [2024-11-08 18:42:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:46,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:42:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:42:46,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:42:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:42:46,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:42:46,476 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:42:46,477 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-08 18:42:46,479 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-08 18:42:46,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-08 18:42:46,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-08 18:42:46,480 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-08 18:42:46,481 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-08 18:42:46,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:42:46,488 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 18:42:46,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:42:46,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:42:46 BoogieIcfgContainer [2024-11-08 18:42:46,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:42:46,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:42:46,541 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:42:46,541 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:42:46,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:44" (3/4) ... [2024-11-08 18:42:46,545 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:42:46,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:42:46,549 INFO L158 Benchmark]: Toolchain (without parser) took 4624.34ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 126.5MB in the end (delta: 6.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,550 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:42:46,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1680.99ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 112.5MB in the end (delta: 20.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.37ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 110.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,553 INFO L158 Benchmark]: Boogie Preprocessor took 88.43ms. Allocated memory is still 169.9MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,554 INFO L158 Benchmark]: RCFGBuilder took 542.62ms. Allocated memory is still 169.9MB. Free memory was 107.1MB in the beginning and 93.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,554 INFO L158 Benchmark]: TraceAbstraction took 2200.87ms. Allocated memory is still 169.9MB. Free memory was 92.4MB in the beginning and 127.6MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:42:46,555 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 126.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:46,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1680.99ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 112.5MB in the end (delta: 20.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.37ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 110.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.43ms. Allocated memory is still 169.9MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.62ms. Allocated memory is still 169.9MB. Free memory was 107.1MB in the beginning and 93.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2200.87ms. Allocated memory is still 169.9MB. Free memory was 92.4MB in the beginning and 127.6MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 126.5MB in the end (delta: 1.1MB). 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. 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] [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_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 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND TRUE i < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND FALSE !(j < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: 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, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 153 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 10/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:42:46,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/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_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/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_da9e3d26-f0dd-4723-928f-c5842269e8a5/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 0a8c14371ace8836790ae923a60e10c38311139c7ebd218dd2592fea3c4c0de9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:42:49,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:42:49,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:42:49,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:42:49,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:42:49,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:42:49,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:42:49,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:42:49,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:42:49,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:42:49,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:42:49,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:42:49,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:42:49,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:42:49,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:42:49,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:42:49,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:42:49,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:42:49,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:42:49,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:42:49,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:42:49,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:42:49,330 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:42:49,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:42:49,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:42:49,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:42:49,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:42:49,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:42:49,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:42:49,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:42:49,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:42:49,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:42:49,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:42:49,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:42:49,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:49,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:42:49,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:42:49,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:42:49,338 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:42:49,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:42:49,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:42:49,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:42:49,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:42:49,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:42:49,340 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_da9e3d26-f0dd-4723-928f-c5842269e8a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a8c14371ace8836790ae923a60e10c38311139c7ebd218dd2592fea3c4c0de9 [2024-11-08 18:42:49,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:42:49,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:42:49,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:42:49,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:42:49,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:42:49,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i Unable to find full path for "g++" [2024-11-08 18:42:51,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:42:52,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:42:52,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i [2024-11-08 18:42:52,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/d685646ff/aa497a80fa314bf48afa9061cc943660/FLAGf23797aa0 [2024-11-08 18:42:52,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/data/d685646ff/aa497a80fa314bf48afa9061cc943660 [2024-11-08 18:42:52,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:42:52,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:42:52,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:52,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:42:52,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:42:52,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:52" (1/1) ... [2024-11-08 18:42:52,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160c768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:52, skipping insertion in model container [2024-11-08 18:42:52,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:42:52" (1/1) ... [2024-11-08 18:42:52,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:42:53,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:53,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:42:53,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:42:53,997 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:42:53,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53 WrapperNode [2024-11-08 18:42:53,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:42:53,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:54,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:42:54,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:42:54,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,080 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-11-08 18:42:54,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:42:54,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:42:54,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:42:54,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:42:54,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,125 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-08 18:42:54,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:42:54,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:42:54,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:42:54,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:42:54,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (1/1) ... [2024-11-08 18:42:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:42:54,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:54,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:42:54,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:42:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:42:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:42:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:42:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:42:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:42:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:42:54,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:42:54,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:42:54,727 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 18:42:54,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:42:54,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:42:54,746 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:42:54,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:54 BoogieIcfgContainer [2024-11-08 18:42:54,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:42:54,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:42:54,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:42:54,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:42:54,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:42:52" (1/3) ... [2024-11-08 18:42:54,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:54, skipping insertion in model container [2024-11-08 18:42:54,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:42:53" (2/3) ... [2024-11-08 18:42:54,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:42:54, skipping insertion in model container [2024-11-08 18:42:54,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:54" (3/3) ... [2024-11-08 18:42:54,759 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_17_bad.i [2024-11-08 18:42:54,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:42:54,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 18:42:54,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:42:54,866 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;@2293ee2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:42:54,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 18:42:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:42:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 18:42:54,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:54,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:54,882 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 18:42:54,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:54,888 INFO L85 PathProgramCache]: Analyzing trace with hash -707753098, now seen corresponding path program 1 times [2024-11-08 18:42:54,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:42:54,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765638354] [2024-11-08 18:42:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:54,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:54,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:54,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:54,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:42:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:55,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:42:55,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:55,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:42:55,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:42:55,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765638354] [2024-11-08 18:42:55,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765638354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:55,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:55,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:42:55,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274150346] [2024-11-08 18:42:55,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:55,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:42:55,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:42:55,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:42:55,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:42:55,178 INFO L87 Difference]: Start difference. First operand has 38 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 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 18:42:55,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:55,199 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2024-11-08 18:42:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:42:55,201 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 18:42:55,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:55,210 INFO L225 Difference]: With dead ends: 38 [2024-11-08 18:42:55,210 INFO L226 Difference]: Without dead ends: 30 [2024-11-08 18:42:55,213 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 18:42:55,217 INFO L432 NwaCegarLoop]: 44 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, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:55,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-08 18:42:55,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-08 18:42:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.391304347826087) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:42:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-08 18:42:55,266 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 13 [2024-11-08 18:42:55,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:55,268 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-08 18:42:55,269 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 18:42:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-08 18:42:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 18:42:55,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:55,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:55,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:42:55,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:55,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 18:42:55,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash -465509494, now seen corresponding path program 1 times [2024-11-08 18:42:55,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:42:55,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581433489] [2024-11-08 18:42:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:55,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:55,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:55,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:55,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:42:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:55,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:42:55,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:55,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:42:55,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:42:55,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581433489] [2024-11-08 18:42:55,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581433489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:55,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:55,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:42:55,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20957645] [2024-11-08 18:42:55,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:55,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:42:55,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:42:55,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:42:55,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:42:55,699 INFO L87 Difference]: Start difference. First operand 30 states and 36 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 18:42:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:55,759 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2024-11-08 18:42:55,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:42:55,760 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 18:42:55,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:55,761 INFO L225 Difference]: With dead ends: 52 [2024-11-08 18:42:55,761 INFO L226 Difference]: Without dead ends: 38 [2024-11-08 18:42:55,762 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 18:42:55,763 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 88 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 18:42:55,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 88 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:55,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-08 18:42:55,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-08 18:42:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 33 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:42:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2024-11-08 18:42:55,775 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 14 [2024-11-08 18:42:55,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:55,778 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-08 18:42:55,778 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 18:42:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-08 18:42:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 18:42:55,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:55,781 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:42:55,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:42:55,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:55,982 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 18:42:55,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:55,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1337088937, now seen corresponding path program 1 times [2024-11-08 18:42:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:42:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438788777] [2024-11-08 18:42:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:55,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:55,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:55,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:42:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:56,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:42:56,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:56,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:42:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:42:56,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:42:56,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438788777] [2024-11-08 18:42:56,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438788777] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:42:56,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:42:56,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 18:42:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003675037] [2024-11-08 18:42:56,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:42:56,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:42:56,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:42:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:42:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:42:56,297 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:56,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:56,359 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-11-08 18:42:56,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:42:56,360 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 20 [2024-11-08 18:42:56,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:56,361 INFO L225 Difference]: With dead ends: 56 [2024-11-08 18:42:56,361 INFO L226 Difference]: Without dead ends: 30 [2024-11-08 18:42:56,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:42:56,363 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:56,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:56,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-08 18:42:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-08 18:42:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.25) internal successors, (30), 26 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:42:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-08 18:42:56,370 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 20 [2024-11-08 18:42:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:56,370 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-08 18:42:56,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-08 18:42:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 18:42:56,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:56,372 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] [2024-11-08 18:42:56,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:42:56,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:56,573 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 18:42:56,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash -748252909, now seen corresponding path program 1 times [2024-11-08 18:42:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:42:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497022597] [2024-11-08 18:42:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:56,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:56,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:56,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:42:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:42:56,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:42:56,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:42:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:42:56,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:42:56,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:42:56,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497022597] [2024-11-08 18:42:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497022597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:42:56,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:42:56,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:42:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139769048] [2024-11-08 18:42:56,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:42:56,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:42:56,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:42:56,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:42:56,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:56,694 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:56,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:42:56,719 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-08 18:42:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:42:56,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2024-11-08 18:42:56,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:42:56,721 INFO L225 Difference]: With dead ends: 48 [2024-11-08 18:42:56,721 INFO L226 Difference]: Without dead ends: 36 [2024-11-08 18:42:56,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:42:56,723 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 9 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:42:56,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 61 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:42:56,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-08 18:42:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-08 18:42:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2) internal successors, (36), 31 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 18:42:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-08 18:42:56,730 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 20 [2024-11-08 18:42:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:42:56,731 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-08 18:42:56,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:42:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-08 18:42:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 18:42:56,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:42:56,732 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] [2024-11-08 18:42:56,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:42:56,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:56,933 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 18:42:56,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:42:56,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1721003615, now seen corresponding path program 1 times [2024-11-08 18:42:56,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:42:56,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479673325] [2024-11-08 18:42:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:42:56,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:42:56,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:42:56,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:42:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:42:57,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:42:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:42:57,126 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:42:57,126 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:42:57,128 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-08 18:42:57,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-08 18:42:57,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-08 18:42:57,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-08 18:42:57,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-08 18:42:57,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-08 18:42:57,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 18:42:57,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:42:57,337 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 18:42:57,382 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:42:57,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:42:57 BoogieIcfgContainer [2024-11-08 18:42:57,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:42:57,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:42:57,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:42:57,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:42:57,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:42:54" (3/4) ... [2024-11-08 18:42:57,390 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:42:57,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:42:57,393 INFO L158 Benchmark]: Toolchain (without parser) took 4954.29ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.4MB in the beginning and 44.6MB in the end (delta: 8.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,394 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:42:57,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.65ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.2MB in the beginning and 50.1MB in the end (delta: 3.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.73ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 46.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,398 INFO L158 Benchmark]: Boogie Preprocessor took 81.55ms. Allocated memory is still 102.8MB. Free memory was 46.8MB in the beginning and 44.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,398 INFO L158 Benchmark]: RCFGBuilder took 580.66ms. Allocated memory is still 102.8MB. Free memory was 43.8MB in the beginning and 58.8MB in the end (delta: -15.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,398 INFO L158 Benchmark]: TraceAbstraction took 2636.59ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 45.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,399 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 102.8MB. Free memory was 45.3MB in the beginning and 44.6MB in the end (delta: 723.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:42:57,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 81.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.65ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.2MB in the beginning and 50.1MB in the end (delta: 3.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.73ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 46.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.55ms. Allocated memory is still 102.8MB. Free memory was 46.8MB in the beginning and 44.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.66ms. Allocated memory is still 102.8MB. Free memory was 43.8MB in the beginning and 58.8MB in the end (delta: -15.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2636.59ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 45.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 102.8MB. Free memory was 45.3MB in the beginning and 44.6MB in the end (delta: 723.7kB). 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. 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] [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_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 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND TRUE i < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND FALSE !(j < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: 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, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 139 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 11/13 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:42:57,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9e3d26-f0dd-4723-928f-c5842269e8a5/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample