./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 e2fb8bed 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-?-e2fb8be-m [2025-03-09 01:39:18,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:39:18,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:39:18,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:39:18,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:39:18,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:39:18,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:39:18,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:39:18,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:39:18,743 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:39:18,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:39:18,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:39:18,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:39:18,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:39:18,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:39:18,745 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:39:18,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:39:18,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:39:18,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:39:18,747 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 [2025-03-09 01:39:18,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:39:18,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:39:18,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:39:18,974 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:39:18,975 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:39:18,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-03-09 01:39:20,167 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e85df3eaf/14371d108f1046b3be9fe8d0bf4215d9/FLAG94d13f666 [2025-03-09 01:39:20,488 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:39:20,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2025-03-09 01:39:20,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e85df3eaf/14371d108f1046b3be9fe8d0bf4215d9/FLAG94d13f666 [2025-03-09 01:39:20,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e85df3eaf/14371d108f1046b3be9fe8d0bf4215d9 [2025-03-09 01:39:20,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:39:20,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:39:20,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:39:20,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:39:20,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:39:20,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:39:20" (1/1) ... [2025-03-09 01:39:20,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63171e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:20, skipping insertion in model container [2025-03-09 01:39:20,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:39:20" (1/1) ... [2025-03-09 01:39:20,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:39:21,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:39:21,058 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:39:21,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:39:21,156 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:39:21,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21 WrapperNode [2025-03-09 01:39:21,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:39:21,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:39:21,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:39:21,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:39:21,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,223 INFO L138 Inliner]: procedures = 41, calls = 109, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1697 [2025-03-09 01:39:21,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:39:21,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:39:21,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:39:21,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:39:21,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,262 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]. [2025-03-09 01:39:21,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:39:21,295 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:39:21,295 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:39:21,295 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:39:21,296 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (1/1) ... [2025-03-09 01:39:21,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:39:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:39:21,329 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) [2025-03-09 01:39:21,331 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 [2025-03-09 01:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2025-03-09 01:39:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2025-03-09 01:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2025-03-09 01:39:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2025-03-09 01:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2025-03-09 01:39:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2025-03-09 01:39:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2025-03-09 01:39:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2025-03-09 01:39:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2025-03-09 01:39:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2025-03-09 01:39:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:39:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:39:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2025-03-09 01:39:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2025-03-09 01:39:21,495 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:39:21,496 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:39:21,637 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume false; [2025-03-09 01:39:21,637 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: assume !false; [2025-03-09 01:39:21,705 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume false; [2025-03-09 01:39:21,705 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2037: assume !false;havoc ~tmp_ndt_6~0; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc PoCallDriver_~tmp_ndt_7~0#1; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: assume !false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L637: assume !false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1795: assume !false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: assume !false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636-1: CdAudioHPCdrDeviceControl_#res#1 := -1073741823; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: assume !false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: assume !false;havoc ZwClose_~tmp_ndt_9~0#1; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume false; [2025-03-09 01:39:22,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: assume !false; [2025-03-09 01:39:22,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298: CdAudioPnp_#res#1 := 0; [2025-03-09 01:39:22,409 INFO L? ?]: Removed 683 outVars from TransFormulas that were not future-live. [2025-03-09 01:39:22,409 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:39:22,431 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:39:22,431 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:39:22,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:39:22 BoogieIcfgContainer [2025-03-09 01:39:22,431 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:39:22,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:39:22,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:39:22,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:39:22,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:39:20" (1/3) ... [2025-03-09 01:39:22,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464a589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:39:22, skipping insertion in model container [2025-03-09 01:39:22,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:39:21" (2/3) ... [2025-03-09 01:39:22,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464a589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:39:22, skipping insertion in model container [2025-03-09 01:39:22,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:39:22" (3/3) ... [2025-03-09 01:39:22,438 INFO L128 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2025-03-09 01:39:22,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:39:22,449 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cdaudio_simpl1.cil-1.c that has 14 procedures, 522 locations, 1 initial locations, 1 loop locations, and 26 error locations. [2025-03-09 01:39:22,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:39:22,517 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;@1907cf34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:39:22,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2025-03-09 01:39:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 522 states, 395 states have (on average 1.5341772151898734) internal successors, (606), 439 states have internal predecessors, (606), 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) [2025-03-09 01:39:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 01:39:22,526 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:39:22,526 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:39:22,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-09 01:39:22,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:39:22,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1254413161, now seen corresponding path program 1 times [2025-03-09 01:39:22,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:39:22,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143693178] [2025-03-09 01:39:22,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:39:22,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:39:22,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:39:22,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:39:22,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:39:22,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:39:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:39:22,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:39:22,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143693178] [2025-03-09 01:39:22,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143693178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:39:22,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:39:22,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:39:22,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844370332] [2025-03-09 01:39:22,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:39:22,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:39:22,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:39:22,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:39:22,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:39:22,760 INFO L87 Difference]: Start difference. First operand has 522 states, 395 states have (on average 1.5341772151898734) internal successors, (606), 439 states have internal predecessors, (606), 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) [2025-03-09 01:39:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:39:22,870 INFO L93 Difference]: Finished difference Result 906 states and 1390 transitions. [2025-03-09 01:39:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:39:22,872 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 [2025-03-09 01:39:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:39:22,880 INFO L225 Difference]: With dead ends: 906 [2025-03-09 01:39:22,881 INFO L226 Difference]: Without dead ends: 258 [2025-03-09 01:39:22,888 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 [2025-03-09 01:39:22,891 INFO L435 NwaCegarLoop]: 754 mSDtfsCounter, 2 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2256 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 [2025-03-09 01:39:22,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2256 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:39:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-03-09 01:39:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2025-03-09 01:39:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 195 states have (on average 1.3794871794871795) internal successors, (269), 231 states have internal predecessors, (269), 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) [2025-03-09 01:39:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 315 transitions. [2025-03-09 01:39:22,929 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 315 transitions. Word has length 15 [2025-03-09 01:39:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:39:22,930 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 315 transitions. [2025-03-09 01:39:22,930 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) [2025-03-09 01:39:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 315 transitions. [2025-03-09 01:39:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 01:39:22,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:39:22,931 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:39:22,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:39:22,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-09 01:39:22,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:39:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash -232102113, now seen corresponding path program 1 times [2025-03-09 01:39:22,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:39:22,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860550674] [2025-03-09 01:39:22,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:39:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:39:22,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:39:22,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:39:22,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:39:22,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:39:22,967 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 01:39:22,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 01:39:22,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 01:39:22,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:39:22,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:39:22,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 01:39:22,995 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 01:39:22,996 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2025-03-09 01:39:22,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2025-03-09 01:39:22,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2025-03-09 01:39:22,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2025-03-09 01:39:22,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2025-03-09 01:39:22,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2025-03-09 01:39:22,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:39:23,003 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-09 01:39:23,033 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:39:23,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:39:23 BoogieIcfgContainer [2025-03-09 01:39:23,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:39:23,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:39:23,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:39:23,037 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:39:23,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:39:22" (3/4) ... [2025-03-09 01:39:23,038 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-09 01:39:23,090 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 13. [2025-03-09 01:39:23,132 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:39:23,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:39:23,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:39:23,134 INFO L158 Benchmark]: Toolchain (without parser) took 2391.88ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 87.3MB in the end (delta: 23.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2025-03-09 01:39:23,134 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 226.5MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:39:23,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.33ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 80.9MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 01:39:23,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.94ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 74.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:39:23,135 INFO L158 Benchmark]: Boogie Preprocessor took 70.66ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 68.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:39:23,136 INFO L158 Benchmark]: IcfgBuilder took 1136.52ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 88.9MB in the end (delta: -20.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-09 01:39:23,136 INFO L158 Benchmark]: TraceAbstraction took 603.10ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 95.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:39:23,136 INFO L158 Benchmark]: Witness Printer took 96.01ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 87.3MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:39:23,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 226.5MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.33ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 80.9MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.94ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 74.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.66ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 68.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1136.52ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 88.9MB in the end (delta: -20.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 603.10ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 95.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.01ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 87.3MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 522 locations, 867 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, 2256 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1502 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 754 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=522occurred 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! [2025-03-09 01:39:23,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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)