./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:11:13,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:11:13,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:11:13,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:11:13,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:11:13,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:11:13,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:11:13,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:11:13,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:11:13,327 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:11:13,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:11:13,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:11:13,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:11:13,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:11:13,330 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:11:13,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:11:13,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:11:13,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:11:13,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:11:13,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:11:13,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:11:13,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:11:13,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:11:13,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:11:13,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:11:13,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:11:13,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:11:13,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:11:13,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:11:13,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:11:13,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:11:13,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:11:13,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:11:13,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:11:13,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:11:13,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:11:13,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:11:13,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:11:13,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:11:13,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:11:13,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:11:13,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:11:13,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:11:13,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:11:13,345 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2024-10-11 20:11:13,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:11:13,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:11:13,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:11:13,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:11:13,565 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:11:13,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2024-10-11 20:11:14,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:11:15,050 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:11:15,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2024-10-11 20:11:15,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/48990f109/a1416f48b69f40249b0f59cacb834cc6/FLAG183c0a3d4 [2024-10-11 20:11:15,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/48990f109/a1416f48b69f40249b0f59cacb834cc6 [2024-10-11 20:11:15,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:11:15,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:11:15,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:11:15,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:11:15,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:11:15,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58578cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15, skipping insertion in model container [2024-10-11 20:11:15,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:11:15,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:11:15,763 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:11:15,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:11:15,861 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:11:15,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15 WrapperNode [2024-10-11 20:11:15,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:11:15,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:11:15,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:11:15,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:11:15,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,933 INFO L138 Inliner]: procedures = 41, calls = 109, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1700 [2024-10-11 20:11:15,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:11:15,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:11:15,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:11:15,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:11:15,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,984 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:11:15,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:15,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:11:16,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:11:16,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:11:16,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:11:16,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (1/1) ... [2024-10-11 20:11:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:11:16,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:11:16,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:11:16,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:11:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-10-11 20:11:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-10-11 20:11:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:11:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2024-10-11 20:11:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2024-10-11 20:11:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-10-11 20:11:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-10-11 20:11:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-10-11 20:11:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-10-11 20:11:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-10-11 20:11:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-10-11 20:11:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-10-11 20:11:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-10-11 20:11:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-10-11 20:11:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-10-11 20:11:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-10-11 20:11:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-10-11 20:11:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-10-11 20:11:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-10-11 20:11:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-10-11 20:11:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-10-11 20:11:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:11:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-10-11 20:11:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-10-11 20:11:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-10-11 20:11:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-10-11 20:11:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:11:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:11:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-10-11 20:11:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-10-11 20:11:16,310 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:11:16,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:11:16,406 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,459 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-10-11 20:11:16,459 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-10-11 20:11:16,537 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,573 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_6~0; [2024-10-11 20:11:16,573 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-10-11 20:11:16,578 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,579 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,584 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,594 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,602 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,606 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:16,608 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false;havoc ZwClose_~tmp_ndt_9~0#1; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2024-10-11 20:11:17,136 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2024-10-11 20:11:17,137 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2024-10-11 20:11:17,267 INFO L? ?]: Removed 683 outVars from TransFormulas that were not future-live. [2024-10-11 20:11:17,267 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:11:17,330 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:11:17,331 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:11:17,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:11:17 BoogieIcfgContainer [2024-10-11 20:11:17,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:11:17,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:11:17,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:11:17,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:11:17,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:11:15" (1/3) ... [2024-10-11 20:11:17,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe11cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:11:17, skipping insertion in model container [2024-10-11 20:11:17,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:11:15" (2/3) ... [2024-10-11 20:11:17,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe11cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:11:17, skipping insertion in model container [2024-10-11 20:11:17,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:11:17" (3/3) ... [2024-10-11 20:11:17,338 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2024-10-11 20:11:17,350 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:11:17,350 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-11 20:11:17,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:11:17,417 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;@2d224c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:11:17,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-11 20:11:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 478 states, 351 states have (on average 1.603988603988604) internal successors, (563), 395 states have internal predecessors, (563), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 20:11:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:11:17,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:11:17,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:11:17,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-10-11 20:11:17,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:11:17,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1212568926, now seen corresponding path program 1 times [2024-10-11 20:11:17,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:11:17,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540276949] [2024-10-11 20:11:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:11:17,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:11:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:11:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:11:17,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:11:17,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540276949] [2024-10-11 20:11:17,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540276949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:11:17,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:11:17,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:11:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632093091] [2024-10-11 20:11:17,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:11:17,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:11:17,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:11:17,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:11:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:11:17,708 INFO L87 Difference]: Start difference. First operand has 478 states, 351 states have (on average 1.603988603988604) internal successors, (563), 395 states have internal predecessors, (563), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:11:17,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:11:17,907 INFO L93 Difference]: Finished difference Result 841 states and 1327 transitions. [2024-10-11 20:11:17,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:11:17,913 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 20:11:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:11:17,920 INFO L225 Difference]: With dead ends: 841 [2024-10-11 20:11:17,922 INFO L226 Difference]: Without dead ends: 237 [2024-10-11 20:11:17,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:11:17,935 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 2 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:11:17,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2008 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:11:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-10-11 20:11:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-10-11 20:11:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 174 states have (on average 1.4252873563218391) internal successors, (248), 210 states have internal predecessors, (248), 29 states have call successors, (29), 10 states have call predecessors, (29), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:11:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 294 transitions. [2024-10-11 20:11:17,988 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 294 transitions. Word has length 11 [2024-10-11 20:11:17,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:11:17,988 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 294 transitions. [2024-10-11 20:11:17,989 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:11:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 294 transitions. [2024-10-11 20:11:17,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 20:11:17,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:11:17,990 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:11:17,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:11:17,991 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-10-11 20:11:17,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:11:17,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1065067746, now seen corresponding path program 1 times [2024-10-11 20:11:17,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:11:17,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628929468] [2024-10-11 20:11:17,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:11:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:11:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 20:11:18,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 20:11:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 20:11:18,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 20:11:18,037 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 20:11:18,038 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2024-10-11 20:11:18,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2024-10-11 20:11:18,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2024-10-11 20:11:18,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2024-10-11 20:11:18,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2024-10-11 20:11:18,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2024-10-11 20:11:18,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2024-10-11 20:11:18,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2024-10-11 20:11:18,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2024-10-11 20:11:18,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2024-10-11 20:11:18,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2024-10-11 20:11:18,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2024-10-11 20:11:18,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2024-10-11 20:11:18,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2024-10-11 20:11:18,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2024-10-11 20:11:18,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2024-10-11 20:11:18,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2024-10-11 20:11:18,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2024-10-11 20:11:18,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2024-10-11 20:11:18,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2024-10-11 20:11:18,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2024-10-11 20:11:18,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2024-10-11 20:11:18,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2024-10-11 20:11:18,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2024-10-11 20:11:18,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2024-10-11 20:11:18,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2024-10-11 20:11:18,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:11:18,050 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 20:11:18,071 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:11:18,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:11:18 BoogieIcfgContainer [2024-10-11 20:11:18,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:11:18,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:11:18,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:11:18,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:11:18,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:11:17" (3/4) ... [2024-10-11 20:11:18,076 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-11 20:11:18,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:11:18,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:11:18,134 INFO L158 Benchmark]: Toolchain (without parser) took 2737.24ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 118.5MB in the beginning and 152.3MB in the end (delta: -33.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,135 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 176.2MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:11:18,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.03ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 83.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.67ms. Allocated memory is still 176.2MB. Free memory was 83.7MB in the beginning and 76.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,135 INFO L158 Benchmark]: Boogie Preprocessor took 122.14ms. Allocated memory is still 176.2MB. Free memory was 76.2MB in the beginning and 68.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,135 INFO L158 Benchmark]: RCFGBuilder took 1274.80ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 68.7MB in the beginning and 104.5MB in the end (delta: -35.8MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,136 INFO L158 Benchmark]: TraceAbstraction took 741.51ms. Allocated memory is still 243.3MB. Free memory was 104.5MB in the beginning and 155.5MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:11:18,136 INFO L158 Benchmark]: Witness Printer took 58.86ms. Allocated memory is still 243.3MB. Free memory was 155.5MB in the beginning and 152.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:11:18,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 176.2MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.03ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 83.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.67ms. Allocated memory is still 176.2MB. Free memory was 83.7MB in the beginning and 76.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.14ms. Allocated memory is still 176.2MB. Free memory was 76.2MB in the beginning and 68.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1274.80ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 68.7MB in the beginning and 104.5MB in the end (delta: -35.8MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 741.51ms. Allocated memory is still 243.3MB. Free memory was 104.5MB in the beginning and 155.5MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.86ms. Allocated memory is still 243.3MB. Free memory was 155.5MB in the beginning and 152.3MB in the end (delta: 3.1MB). 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 - CounterExampleResult [Line: 1696]: integer overflow possible integer overflow possible We found a FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L1755] CALL _BLAST_init() [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 [L1755] RET _BLAST_init() [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, irp_choice=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L1772] CALL stub_driver_init() [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr [L1772] RET stub_driver_init() [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND FALSE !(tmp_ndt_1 == 2) [L1784] int tmp_ndt_2; [L1785] tmp_ndt_2 = __VERIFIER_nondet_int() [L1786] COND FALSE !(tmp_ndt_2 == 3) [L1789] int tmp_ndt_3; [L1790] tmp_ndt_3 = __VERIFIER_nondet_int() [L1791] COND TRUE tmp_ndt_3 == 4 [L1808] CALL CdAudioPower(devobj, pirp) [L1682] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L1683] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L1684] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1685] int tmp ; VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0] [L1688] COND TRUE s == NP [L1689] s = SKIP1 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=3, setEventCalled=0] [L1696] Irp__CurrentLocation ++ VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=3, setEventCalled=0] - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1696]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: 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 14 procedures, 478 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2008 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1338 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 670 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-11 20:11:18,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)