./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-06 13:23:03,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:23:03,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:23:03,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:23:03,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:23:03,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:23:03,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:23:03,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:23:03,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:23:03,300 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:23:03,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:23:03,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:23:03,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:23:03,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:23:03,302 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:23:03,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:23:03,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:23:03,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:23:03,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:23:03,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:23:03,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2025-02-06 13:23:03,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:23:03,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:23:03,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:23:03,593 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:23:03,593 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:23:03,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-02-06 13:23:04,905 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cf791928/2b9a60706457452f8f3f622af19ff2fc/FLAG89b095085 [2025-02-06 13:23:05,209 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:23:05,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-02-06 13:23:05,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cf791928/2b9a60706457452f8f3f622af19ff2fc/FLAG89b095085 [2025-02-06 13:23:05,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cf791928/2b9a60706457452f8f3f622af19ff2fc [2025-02-06 13:23:05,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:23:05,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:23:05,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:23:05,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:23:05,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:23:05,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@913ff31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05, skipping insertion in model container [2025-02-06 13:23:05,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:23:05,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:23:05,737 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:23:05,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:23:05,865 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:23:05,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05 WrapperNode [2025-02-06 13:23:05,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:23:05,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:23:05,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:23:05,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:23:05,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,946 INFO L138 Inliner]: procedures = 41, calls = 109, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1697 [2025-02-06 13:23:05,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:23:05,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:23:05,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:23:05,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:23:05,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:05,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,001 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]. [2025-02-06 13:23:06,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,021 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:23:06,057 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:23:06,057 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:23:06,057 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:23:06,058 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (1/1) ... [2025-02-06 13:23:06,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:23:06,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:23:06,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:23:06,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:23:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2025-02-06 13:23:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2025-02-06 13:23:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:23:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2025-02-06 13:23:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2025-02-06 13:23:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2025-02-06 13:23:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2025-02-06 13:23:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2025-02-06 13:23:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2025-02-06 13:23:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2025-02-06 13:23:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2025-02-06 13:23:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2025-02-06 13:23:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2025-02-06 13:23:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2025-02-06 13:23:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2025-02-06 13:23:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2025-02-06 13:23:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2025-02-06 13:23:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2025-02-06 13:23:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2025-02-06 13:23:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2025-02-06 13:23:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2025-02-06 13:23:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:23:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2025-02-06 13:23:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2025-02-06 13:23:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2025-02-06 13:23:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2025-02-06 13:23:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:23:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:23:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2025-02-06 13:23:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2025-02-06 13:23:06,363 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:23:06,364 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:23:06,537 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume false; [2025-02-06 13:23:06,537 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume !false; [2025-02-06 13:23:06,638 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume false; [2025-02-06 13:23:06,638 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume !false;havoc ~tmp_ndt_6~0; [2025-02-06 13:23:07,396 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc PoCallDriver_~tmp_ndt_7~0#1; [2025-02-06 13:23:07,396 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume false; [2025-02-06 13:23:07,396 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume !false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume !false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume !false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume false; [2025-02-06 13:23:07,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume !false; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-1: CdAudioHPCdrDeviceControl_#res#1 := -1073741823; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume false; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume !false; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume false; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume !false;havoc ZwClose_~tmp_ndt_9~0#1; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume false; [2025-02-06 13:23:07,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume !false; [2025-02-06 13:23:07,399 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L298: CdAudioPnp_#res#1 := 0; [2025-02-06 13:23:07,573 INFO L? ?]: Removed 683 outVars from TransFormulas that were not future-live. [2025-02-06 13:23:07,573 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:23:07,600 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:23:07,600 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:23:07,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:23:07 BoogieIcfgContainer [2025-02-06 13:23:07,600 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:23:07,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:23:07,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:23:07,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:23:07,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:23:05" (1/3) ... [2025-02-06 13:23:07,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f20c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:23:07, skipping insertion in model container [2025-02-06 13:23:07,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:23:05" (2/3) ... [2025-02-06 13:23:07,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f20c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:23:07, skipping insertion in model container [2025-02-06 13:23:07,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:23:07" (3/3) ... [2025-02-06 13:23:07,609 INFO L128 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2025-02-06 13:23:07,622 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:23:07,623 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cdaudio_simpl1.cil-1.c that has 14 procedures, 523 locations, 1 initial locations, 1 loop locations, and 26 error locations. [2025-02-06 13:23:07,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:23:07,715 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;@7d1b1f97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:23:07,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2025-02-06 13:23:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 523 states, 396 states have (on average 1.5328282828282829) internal successors, (607), 440 states have internal predecessors, (607), 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) [2025-02-06 13:23:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:23:07,731 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:23:07,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:23:07,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-02-06 13:23:07,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:23:07,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1557792904, now seen corresponding path program 1 times [2025-02-06 13:23:07,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:23:07,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923019864] [2025-02-06 13:23:07,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:23:07,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:23:07,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:23:07,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:23:07,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:23:07,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:08,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:23:08,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923019864] [2025-02-06 13:23:08,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923019864] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:23:08,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:23:08,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:23:08,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036627811] [2025-02-06 13:23:08,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:23:08,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:23:08,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:23:08,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:23:08,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:23:08,029 INFO L87 Difference]: Start difference. First operand has 523 states, 396 states have (on average 1.5328282828282829) internal successors, (607), 440 states have internal predecessors, (607), 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 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-02-06 13:23:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:23:08,162 INFO L93 Difference]: Finished difference Result 908 states and 1392 transitions. [2025-02-06 13:23:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:23:08,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2025-02-06 13:23:08,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:23:08,174 INFO L225 Difference]: With dead ends: 908 [2025-02-06 13:23:08,174 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 13:23:08,180 INFO L434 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 [2025-02-06 13:23:08,182 INFO L435 NwaCegarLoop]: 755 mSDtfsCounter, 2 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:23:08,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2259 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:23:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 13:23:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2025-02-06 13:23:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 196 states have (on average 1.3775510204081634) internal successors, (270), 232 states have internal predecessors, (270), 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) [2025-02-06 13:23:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 316 transitions. [2025-02-06 13:23:08,243 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 316 transitions. Word has length 15 [2025-02-06 13:23:08,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:23:08,244 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 316 transitions. [2025-02-06 13:23:08,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-02-06 13:23:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 316 transitions. [2025-02-06 13:23:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:23:08,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:23:08,245 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:23:08,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:23:08,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-02-06 13:23:08,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:23:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1046939554, now seen corresponding path program 1 times [2025-02-06 13:23:08,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:23:08,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327932652] [2025-02-06 13:23:08,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:23:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:23:08,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:23:08,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:23:08,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:23:08,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 13:23:08,300 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 13:23:08,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:23:08,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:23:08,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:23:08,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 13:23:08,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 13:23:08,366 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 13:23:08,368 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2025-02-06 13:23:08,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2025-02-06 13:23:08,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2025-02-06 13:23:08,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2025-02-06 13:23:08,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2025-02-06 13:23:08,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2025-02-06 13:23:08,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2025-02-06 13:23:08,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2025-02-06 13:23:08,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2025-02-06 13:23:08,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2025-02-06 13:23:08,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2025-02-06 13:23:08,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2025-02-06 13:23:08,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2025-02-06 13:23:08,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2025-02-06 13:23:08,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2025-02-06 13:23:08,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2025-02-06 13:23:08,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:23:08,379 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 13:23:08,423 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 13:23:08,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:23:08 BoogieIcfgContainer [2025-02-06 13:23:08,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 13:23:08,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 13:23:08,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 13:23:08,428 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 13:23:08,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:23:07" (3/4) ... [2025-02-06 13:23:08,429 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-06 13:23:08,486 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 13. [2025-02-06 13:23:08,539 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 13:23:08,539 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 13:23:08,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 13:23:08,540 INFO L158 Benchmark]: Toolchain (without parser) took 3279.65ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 87.7MB in the end (delta: 23.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2025-02-06 13:23:08,541 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:23:08,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.66ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 80.8MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 13:23:08,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.82ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 74.1MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:23:08,542 INFO L158 Benchmark]: Boogie Preprocessor took 109.23ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 68.1MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:23:08,542 INFO L158 Benchmark]: IcfgBuilder took 1543.75ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 89.9MB in the end (delta: -22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2025-02-06 13:23:08,542 INFO L158 Benchmark]: TraceAbstraction took 825.68ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 96.0MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:23:08,544 INFO L158 Benchmark]: Witness Printer took 111.17ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 87.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:23:08,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.66ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 80.8MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.82ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 74.1MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 109.23ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 68.1MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1543.75ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 89.9MB in the end (delta: -22.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * TraceAbstraction took 825.68ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 96.0MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.17ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 87.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. 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 ; VAL [DC=0, DeviceUsageTypePaging=0, Executive=0, IPC=0, KernelMode=0, MPR1=0, MPR3=0, NP=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0] [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 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, lowerDriverReturn=0, myStatus=0, pended=0, pirp=-1, routine=0, s=0, setEventCalled=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=-1, 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=-1, 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 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, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=-1, routine=0, s=1, setEventCalled=0] [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 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=-1, routine=0, s=1, setEventCalled=0, we_should_unload=0] [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=-1, 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=-1, routine=0, s=1, setEventCalled=0] [L1688] COND TRUE s == NP [L1689] s = SKIP1 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=-1, 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=-1, routine=0, s=3, setEventCalled=0] [L1696] Irp__CurrentLocation ++ VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=-1, 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=-1, routine=0, s=3, setEventCalled=0] - 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: 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: 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: 1696]: 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: 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: 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: 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: 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: 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: 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: 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: 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, 523 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2259 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1504 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 755 mSDtfsCounter, 13 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=523occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-06 13:23:08,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)