./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.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 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:35:42,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:35:42,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:35:42,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:35:42,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:35:42,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:35:42,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:35:42,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:35:42,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:35:42,802 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:35:42,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:35:42,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:35:42,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:35:42,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:35:42,803 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:35:42,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:35:42,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:35:42,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:35:42,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:35:42,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:35:42,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:35:42,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:35:42,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:35:42,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:35:42,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:35:42,809 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:35:42,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:35:42,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:35:42,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:35:42,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:35:42,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:35:42,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:35:42,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:35:42,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:35:42,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:42,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:35:42,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:35:42,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:35:42,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:35:42,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:35:42,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:35:42,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:35:42,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:35:42,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:35:42,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe [2024-10-24 19:35:43,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:35:43,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:35:43,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:35:43,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:35:43,206 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:35:43,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2024-10-24 19:35:45,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:35:45,556 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:35:45,557 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2024-10-24 19:35:45,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c97c940/23c0f733a4134d678345a3a40ce7087e/FLAGffbb36ed2 [2024-10-24 19:35:45,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c97c940/23c0f733a4134d678345a3a40ce7087e [2024-10-24 19:35:45,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:35:45,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:35:45,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:45,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:35:45,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:35:45,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:45" (1/1) ... [2024-10-24 19:35:45,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9c0cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:45, skipping insertion in model container [2024-10-24 19:35:45,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:45" (1/1) ... [2024-10-24 19:35:45,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:35:46,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:46,627 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:35:46,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:46,774 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:35:46,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46 WrapperNode [2024-10-24 19:35:46,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:46,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:46,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:35:46,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:35:46,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,882 INFO L138 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1698 [2024-10-24 19:35:46,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:46,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:35:46,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:35:46,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:35:46,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,932 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 19:35:46,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:46,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:47,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:35:47,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:35:47,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:35:47,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:35:47,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (1/1) ... [2024-10-24 19:35:47,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:47,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:47,056 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) [2024-10-24 19:35:47,064 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 [2024-10-24 19:35:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-10-24 19:35:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-10-24 19:35:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:35:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2024-10-24 19:35:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2024-10-24 19:35:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-10-24 19:35:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-10-24 19:35:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-10-24 19:35:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-10-24 19:35:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-10-24 19:35:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-10-24 19:35:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-10-24 19:35:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-10-24 19:35:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-10-24 19:35:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-10-24 19:35:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-10-24 19:35:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-10-24 19:35:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:35:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-10-24 19:35:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-10-24 19:35:47,429 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:35:47,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:35:47,584 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,650 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-10-24 19:35:47,651 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-10-24 19:35:47,765 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,793 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_7~0; [2024-10-24 19:35:47,794 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-10-24 19:35:47,806 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,810 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,816 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,835 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,855 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,862 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:47,864 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:48,877 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2024-10-24 19:35:48,878 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2024-10-24 19:35:48,878 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2024-10-24 19:35:48,878 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false;havoc ZwClose_~tmp_ndt_10~0#1; [2024-10-24 19:35:48,878 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2024-10-24 19:35:48,878 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2024-10-24 19:35:48,879 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2024-10-24 19:35:48,879 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2024-10-24 19:35:48,879 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2024-10-24 19:35:48,879 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-10-24 19:35:48,880 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-10-24 19:35:48,880 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2024-10-24 19:35:48,880 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2024-10-24 19:35:48,880 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2024-10-24 19:35:48,880 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2024-10-24 19:35:49,020 INFO L? ?]: Removed 683 outVars from TransFormulas that were not future-live. [2024-10-24 19:35:49,021 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:35:49,098 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:35:49,102 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:35:49,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:49 BoogieIcfgContainer [2024-10-24 19:35:49,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:35:49,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:35:49,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:35:49,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:35:49,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:35:45" (1/3) ... [2024-10-24 19:35:49,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1b8f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:49, skipping insertion in model container [2024-10-24 19:35:49,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:46" (2/3) ... [2024-10-24 19:35:49,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1b8f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:49, skipping insertion in model container [2024-10-24 19:35:49,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:49" (3/3) ... [2024-10-24 19:35:49,110 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2024-10-24 19:35:49,124 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:35:49,124 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-24 19:35:49,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:35:49,210 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;@3e50f7c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:35:49,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-24 19:35:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 476 states, 350 states have (on average 1.6028571428571428) internal successors, (561), 393 states have internal predecessors, (561), 86 states have call successors, (86), 13 states have call predecessors, (86), 13 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-24 19:35:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 19:35:49,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:49,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:49,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-10-24 19:35:49,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1645458790, now seen corresponding path program 1 times [2024-10-24 19:35:49,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:49,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084610920] [2024-10-24 19:35:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:49,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:49,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084610920] [2024-10-24 19:35:49,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084610920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:49,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:49,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558890516] [2024-10-24 19:35:49,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:49,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:49,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:49,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:49,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:49,726 INFO L87 Difference]: Start difference. First operand has 476 states, 350 states have (on average 1.6028571428571428) internal successors, (561), 393 states have internal predecessors, (561), 86 states have call successors, (86), 13 states have call predecessors, (86), 13 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:49,994 INFO L93 Difference]: Finished difference Result 837 states and 1319 transitions. [2024-10-24 19:35:50,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:50,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-24 19:35:50,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:50,026 INFO L225 Difference]: With dead ends: 837 [2024-10-24 19:35:50,026 INFO L226 Difference]: Without dead ends: 237 [2024-10-24 19:35:50,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:50,052 INFO L432 NwaCegarLoop]: 667 mSDtfsCounter, 2 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:50,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1999 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-10-24 19:35:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-10-24 19:35:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 174 states have (on average 1.4252873563218391) internal successors, (248), 210 states have internal predecessors, (248), 29 states have call successors, (29), 10 states have call predecessors, (29), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 19:35:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 294 transitions. [2024-10-24 19:35:50,158 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 294 transitions. Word has length 11 [2024-10-24 19:35:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:50,161 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 294 transitions. [2024-10-24 19:35:50,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 294 transitions. [2024-10-24 19:35:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 19:35:50,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:50,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:50,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:35:50,163 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-10-24 19:35:50,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:50,163 INFO L85 PathProgramCache]: Analyzing trace with hash -530383850, now seen corresponding path program 1 times [2024-10-24 19:35:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:50,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797586796] [2024-10-24 19:35:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 19:35:50,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 19:35:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 19:35:50,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 19:35:50,294 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 19:35:50,296 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2024-10-24 19:35:50,298 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2024-10-24 19:35:50,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2024-10-24 19:35:50,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2024-10-24 19:35:50,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2024-10-24 19:35:50,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2024-10-24 19:35:50,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2024-10-24 19:35:50,304 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2024-10-24 19:35:50,305 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2024-10-24 19:35:50,305 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2024-10-24 19:35:50,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2024-10-24 19:35:50,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2024-10-24 19:35:50,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2024-10-24 19:35:50,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2024-10-24 19:35:50,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2024-10-24 19:35:50,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2024-10-24 19:35:50,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2024-10-24 19:35:50,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2024-10-24 19:35:50,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2024-10-24 19:35:50,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2024-10-24 19:35:50,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2024-10-24 19:35:50,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:35:50,321 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 19:35:50,377 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:35:50,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:35:50 BoogieIcfgContainer [2024-10-24 19:35:50,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:35:50,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:35:50,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:35:50,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:35:50,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:49" (3/4) ... [2024-10-24 19:35:50,391 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-24 19:35:50,497 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:35:50,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:35:50,502 INFO L158 Benchmark]: Toolchain (without parser) took 4706.85ms. Allocated memory was 201.3MB in the beginning and 331.4MB in the end (delta: 130.0MB). Free memory was 127.6MB in the beginning and 154.4MB in the end (delta: -26.8MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,503 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 163.4MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:35:50,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.18ms. Allocated memory is still 201.3MB. Free memory was 127.4MB in the beginning and 141.5MB in the end (delta: -14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.73ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 134.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,505 INFO L158 Benchmark]: Boogie Preprocessor took 126.40ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 126.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,505 INFO L158 Benchmark]: RCFGBuilder took 2093.15ms. Allocated memory was 201.3MB in the beginning and 331.4MB in the end (delta: 130.0MB). Free memory was 126.1MB in the beginning and 218.4MB in the end (delta: -92.2MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,505 INFO L158 Benchmark]: TraceAbstraction took 1281.00ms. Allocated memory is still 331.4MB. Free memory was 217.3MB in the beginning and 158.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,506 INFO L158 Benchmark]: Witness Printer took 115.87ms. Allocated memory is still 331.4MB. Free memory was 158.6MB in the beginning and 154.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:35:50,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 163.4MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.18ms. Allocated memory is still 201.3MB. Free memory was 127.4MB in the beginning and 141.5MB in the end (delta: -14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.73ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 134.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.40ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 126.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2093.15ms. Allocated memory was 201.3MB in the beginning and 331.4MB in the end (delta: 130.0MB). Free memory was 126.1MB in the beginning and 218.4MB in the end (delta: -92.2MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1281.00ms. Allocated memory is still 331.4MB. Free memory was 217.3MB in the beginning and 158.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 115.87ms. Allocated memory is still 331.4MB. Free memory was 158.6MB in the beginning and 154.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1696]: integer overflow possible integer overflow possible We found a FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L1755] CALL _BLAST_init() [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 [L1755] RET _BLAST_init() [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, irp_choice=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, d=0, devobj=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, status=0, we_should_unload=0] [L1772] CALL stub_driver_init() [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr [L1772] RET stub_driver_init() [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND FALSE !(tmp_ndt_1 == 2) [L1784] int tmp_ndt_2; [L1785] tmp_ndt_2 = __VERIFIER_nondet_int() [L1786] COND FALSE !(tmp_ndt_2 == 3) [L1789] int tmp_ndt_3; [L1790] tmp_ndt_3 = __VERIFIER_nondet_int() [L1791] COND TRUE tmp_ndt_3 == 4 [L1808] CALL CdAudioPower(devobj, pirp) [L1682] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L1683] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L1684] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1685] int tmp ; VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0] [L1688] COND TRUE s == NP [L1689] s = SKIP1 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=3, setEventCalled=0] [L1696] Irp__CurrentLocation ++ VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=3, setEventCalled=0] - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 381]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1188]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1190]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1197]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1696]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 476 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1999 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1332 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 667 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-24 19:35:50,562 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)