./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-8fc3dc6-m [2025-03-17 14:42:06,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:42:06,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:42:06,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:42:06,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:42:06,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:42:06,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:42:06,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:42:06,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:42:06,703 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:42:06,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:42:06,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:42:06,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:42:06,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:42:06,704 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:42:06,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:42:06,705 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:42:06,706 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:42:06,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:42:06,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:42:06,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:42:06,707 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/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 [2025-03-17 14:42:06,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:42:06,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:42:06,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:42:06,949 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:42:06,949 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:42:06,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-03-17 14:42:08,095 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5960e934/f55d9f140c26471d8438471928a97a36/FLAGcbc6c4581 [2025-03-17 14:42:08,410 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:42:08,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-03-17 14:42:08,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5960e934/f55d9f140c26471d8438471928a97a36/FLAGcbc6c4581 [2025-03-17 14:42:08,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5960e934/f55d9f140c26471d8438471928a97a36 [2025-03-17 14:42:08,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:42:08,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:42:08,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:42:08,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:42:08,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:42:08,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:42:08" (1/1) ... [2025-03-17 14:42:08,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456a1614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:08, skipping insertion in model container [2025-03-17 14:42:08,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:42:08" (1/1) ... [2025-03-17 14:42:08,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:42:08,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:42:08,939 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:42:09,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:42:09,023 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:42:09,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09 WrapperNode [2025-03-17 14:42:09,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:42:09,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:42:09,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:42:09,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:42:09,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,084 INFO L138 Inliner]: procedures = 41, calls = 109, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1697 [2025-03-17 14:42:09,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:42:09,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:42:09,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:42:09,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:42:09,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,122 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]. [2025-03-17 14:42:09,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:42:09,177 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:42:09,178 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:42:09,178 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:42:09,178 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (1/1) ... [2025-03-17 14:42:09,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:42:09,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:42:09,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 14:42:09,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 14:42:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2025-03-17 14:42:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2025-03-17 14:42:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:42:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2025-03-17 14:42:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2025-03-17 14:42:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2025-03-17 14:42:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2025-03-17 14:42:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:42:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:42:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2025-03-17 14:42:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2025-03-17 14:42:09,374 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:42:09,376 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:42:09,485 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume false; [2025-03-17 14:42:09,485 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume !false; [2025-03-17 14:42:09,548 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume false; [2025-03-17 14:42:09,548 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume !false;havoc ~tmp_ndt_6~0; [2025-03-17 14:42:10,131 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc PoCallDriver_~tmp_ndt_7~0#1; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-1: CdAudioHPCdrDeviceControl_#res#1 := -1073741823; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume !false;havoc ZwClose_~tmp_ndt_9~0#1; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume !false; [2025-03-17 14:42:10,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L298: CdAudioPnp_#res#1 := 0; [2025-03-17 14:42:10,249 INFO L? ?]: Removed 679 outVars from TransFormulas that were not future-live. [2025-03-17 14:42:10,249 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:42:10,270 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:42:10,274 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:42:10,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:42:10 BoogieIcfgContainer [2025-03-17 14:42:10,274 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:42:10,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:42:10,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:42:10,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:42:10,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:42:08" (1/3) ... [2025-03-17 14:42:10,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2174043f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:42:10, skipping insertion in model container [2025-03-17 14:42:10,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:42:09" (2/3) ... [2025-03-17 14:42:10,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2174043f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:42:10, skipping insertion in model container [2025-03-17 14:42:10,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:42:10" (3/3) ... [2025-03-17 14:42:10,282 INFO L128 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2025-03-17 14:42:10,293 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:42:10,295 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cdaudio_simpl1.cil-1.c that has 14 procedures, 515 locations, 1 initial locations, 1 loop locations, and 26 error locations. [2025-03-17 14:42:10,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:42:10,379 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;@2f7e1b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:42:10,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2025-03-17 14:42:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 515 states, 388 states have (on average 1.5438144329896908) internal successors, (599), 432 states have internal predecessors, (599), 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) [2025-03-17 14:42:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 14:42:10,391 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:42:10,392 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:42:10,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-17 14:42:10,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:42:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -270391982, now seen corresponding path program 1 times [2025-03-17 14:42:10,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:42:10,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165279897] [2025-03-17 14:42:10,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:42:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:42:10,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:42:10,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:42:10,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:42:10,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:42:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:42:10,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:42:10,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165279897] [2025-03-17 14:42:10,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165279897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:42:10,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:42:10,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:42:10,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83397530] [2025-03-17 14:42:10,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:42:10,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:42:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:42:10,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:42:10,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:42:10,630 INFO L87 Difference]: Start difference. First operand has 515 states, 388 states have (on average 1.5438144329896908) internal successors, (599), 432 states have internal predecessors, (599), 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 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-17 14:42:10,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:42:10,726 INFO L93 Difference]: Finished difference Result 896 states and 1380 transitions. [2025-03-17 14:42:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:42:10,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2025-03-17 14:42:10,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:42:10,736 INFO L225 Difference]: With dead ends: 896 [2025-03-17 14:42:10,736 INFO L226 Difference]: Without dead ends: 255 [2025-03-17 14:42:10,742 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 [2025-03-17 14:42:10,744 INFO L435 NwaCegarLoop]: 748 mSDtfsCounter, 2 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2238 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 [2025-03-17 14:42:10,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2238 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:42:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-17 14:42:10,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-17 14:42:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 192 states have (on average 1.3854166666666667) internal successors, (266), 228 states have internal predecessors, (266), 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) [2025-03-17 14:42:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 312 transitions. [2025-03-17 14:42:10,779 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 312 transitions. Word has length 12 [2025-03-17 14:42:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:42:10,779 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 312 transitions. [2025-03-17 14:42:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-17 14:42:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 312 transitions. [2025-03-17 14:42:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 14:42:10,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:42:10,781 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:42:10,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:42:10,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-17 14:42:10,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:42:10,782 INFO L85 PathProgramCache]: Analyzing trace with hash 207783359, now seen corresponding path program 1 times [2025-03-17 14:42:10,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:42:10,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913277158] [2025-03-17 14:42:10,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:42:10,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:42:10,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 14:42:10,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 14:42:10,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:42:10,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 14:42:10,804 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 14:42:10,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 14:42:10,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 14:42:10,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:42:10,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 14:42:10,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 14:42:10,833 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 14:42:10,834 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2025-03-17 14:42:10,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2025-03-17 14:42:10,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2025-03-17 14:42:10,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2025-03-17 14:42:10,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2025-03-17 14:42:10,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2025-03-17 14:42:10,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2025-03-17 14:42:10,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2025-03-17 14:42:10,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2025-03-17 14:42:10,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2025-03-17 14:42:10,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:42:10,840 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 14:42:10,863 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 14:42:10,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:42:10 BoogieIcfgContainer [2025-03-17 14:42:10,865 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 14:42:10,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 14:42:10,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 14:42:10,866 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 14:42:10,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:42:10" (3/4) ... [2025-03-17 14:42:10,867 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-17 14:42:10,914 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 13. [2025-03-17 14:42:10,951 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 14:42:10,951 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 14:42:10,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 14:42:10,952 INFO L158 Benchmark]: Toolchain (without parser) took 2279.70ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 80.2MB in the end (delta: 43.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2025-03-17 14:42:10,952 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:42:10,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 93.4MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 14:42:10,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.27ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 87.1MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:42:10,953 INFO L158 Benchmark]: Boogie Preprocessor took 87.97ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 80.5MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:42:10,954 INFO L158 Benchmark]: IcfgBuilder took 1097.02ms. Allocated memory is still 167.8MB. Free memory was 80.5MB in the beginning and 58.1MB in the end (delta: 22.4MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2025-03-17 14:42:10,954 INFO L158 Benchmark]: TraceAbstraction took 589.43ms. Allocated memory is still 167.8MB. Free memory was 57.3MB in the beginning and 87.7MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:42:10,954 INFO L158 Benchmark]: Witness Printer took 85.49ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 80.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:42:10,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 93.4MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.27ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 87.1MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.97ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 80.5MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1097.02ms. Allocated memory is still 167.8MB. Free memory was 80.5MB in the beginning and 58.1MB in the end (delta: 22.4MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * TraceAbstraction took 589.43ms. Allocated memory is still 167.8MB. Free memory was 57.3MB in the beginning and 87.7MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.49ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 80.2MB in the end (delta: 7.5MB). 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 ; [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, 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, 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 [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, 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, 515 locations, 860 edges, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2238 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1490 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 748 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=515occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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! [2025-03-17 14:42:10,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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)