./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd --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 0.3.0-dev-826ab2b [2024-11-13 13:16:54,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:16:54,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:16:54,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:16:54,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:16:54,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:16:54,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:16:54,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:16:54,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:16:54,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:16:54,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:16:54,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:16:54,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:16:54,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:16:54,204 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:16:54,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:16:54,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:16:54,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:16:54,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:16:54,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:16:54,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:16:54,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:16:54,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:16:54,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:16:54,208 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 13:16:54,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:16:54,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:16:54,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:16:54,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:16:54,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:16:54,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c Unable to find full path for "g++" [2024-11-13 13:16:56,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:16:57,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:16:57,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2024-11-13 13:16:57,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/data/14b04163c/1a5a46b5d9054eb5abf6b20201c5e9e5/FLAGe4302aa57 [2024-11-13 13:16:57,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/data/14b04163c/1a5a46b5d9054eb5abf6b20201c5e9e5 [2024-11-13 13:16:57,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:16:57,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:16:57,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:16:57,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:16:57,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:16:57,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:57,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316ac69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57, skipping insertion in model container [2024-11-13 13:16:57,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:57,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:16:57,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:16:57,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:16:57,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:16:57,992 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:16:57,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57 WrapperNode [2024-11-13 13:16:57,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:16:57,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:16:57,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:16:57,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:16:58,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,117 INFO L138 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1697 [2024-11-13 13:16:58,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:16:58,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:16:58,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:16:58,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:16:58,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,182 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]. [2024-11-13 13:16:58,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:16:58,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:16:58,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:16:58,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:16:58,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (1/1) ... [2024-11-13 13:16:58,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:16:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:16:58,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:16:58,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:16:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2024-11-13 13:16:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2024-11-13 13:16:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:16:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2024-11-13 13:16:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2024-11-13 13:16:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-13 13:16:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-13 13:16:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2024-11-13 13:16:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2024-11-13 13:16:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-11-13 13:16:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-11-13 13:16:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-13 13:16:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-13 13:16:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2024-11-13 13:16:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2024-11-13 13:16:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2024-11-13 13:16:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2024-11-13 13:16:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2024-11-13 13:16:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2024-11-13 13:16:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-13 13:16:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-13 13:16:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:16:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-13 13:16:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-13 13:16:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2024-11-13 13:16:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2024-11-13 13:16:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:16:58,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:16:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2024-11-13 13:16:58,356 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2024-11-13 13:16:58,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:16:58,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:16:58,840 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:58,925 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-11-13 13:16:58,925 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-11-13 13:16:59,036 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,084 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_7~0; [2024-11-13 13:16:59,084 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-13 13:16:59,097 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,101 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,108 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,122 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,133 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,135 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:16:59,139 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 13:17:00,227 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2024-11-13 13:17:00,227 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2024-11-13 13:17:00,227 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false;havoc ZwClose_~tmp_ndt_10~0#1; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2024-11-13 13:17:00,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2024-11-13 13:17:00,229 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2024-11-13 13:17:00,484 INFO L? ?]: Removed 683 outVars from TransFormulas that were not future-live. [2024-11-13 13:17:00,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:17:00,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:17:00,528 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:17:00,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:17:00 BoogieIcfgContainer [2024-11-13 13:17:00,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:17:00,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:17:00,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:17:00,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:17:00,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:16:57" (1/3) ... [2024-11-13 13:17:00,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74270a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:17:00, skipping insertion in model container [2024-11-13 13:17:00,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:57" (2/3) ... [2024-11-13 13:17:00,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74270a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:17:00, skipping insertion in model container [2024-11-13 13:17:00,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:17:00" (3/3) ... [2024-11-13 13:17:00,545 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2024-11-13 13:17:00,563 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:17:00,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cdaudio_simpl1.cil-2.c that has 14 procedures, 522 locations, 1 initial locations, 1 loop locations, and 26 error locations. [2024-11-13 13:17:00,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:17:00,671 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;@280d91e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:17:00,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-13 13:17:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 522 states, 396 states have (on average 1.5328282828282829) internal successors, (607), 439 states have internal predecessors, (607), 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) [2024-11-13 13:17:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:17:00,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:00,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:00,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-11-13 13:17:00,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:00,717 INFO L85 PathProgramCache]: Analyzing trace with hash -753831207, now seen corresponding path program 1 times [2024-11-13 13:17:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:00,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104498318] [2024-11-13 13:17:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:00,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:01,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:01,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104498318] [2024-11-13 13:17:01,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104498318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:01,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:01,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:17:01,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665975091] [2024-11-13 13:17:01,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:01,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:17:01,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:17:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:01,145 INFO L87 Difference]: Start difference. First operand has 522 states, 396 states have (on average 1.5328282828282829) internal successors, (607), 439 states have internal predecessors, (607), 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 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) [2024-11-13 13:17:01,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:01,333 INFO L93 Difference]: Finished difference Result 906 states and 1388 transitions. [2024-11-13 13:17:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:17:01,339 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 [2024-11-13 13:17:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:01,351 INFO L225 Difference]: With dead ends: 906 [2024-11-13 13:17:01,351 INFO L226 Difference]: Without dead ends: 259 [2024-11-13 13:17:01,358 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 [2024-11-13 13:17:01,361 INFO L432 NwaCegarLoop]: 753 mSDtfsCounter, 2 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2253 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 [2024-11-13 13:17:01,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2253 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:17:01,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-13 13:17:01,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-11-13 13:17:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 196 states have (on average 1.3775510204081634) internal successors, (270), 232 states have internal predecessors, (270), 29 states have call successors, (29), 10 states have call predecessors, (29), 9 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 13:17:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 316 transitions. [2024-11-13 13:17:01,418 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 316 transitions. Word has length 15 [2024-11-13 13:17:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:01,418 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 316 transitions. [2024-11-13 13:17:01,418 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) [2024-11-13 13:17:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 316 transitions. [2024-11-13 13:17:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 13:17:01,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:01,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:01,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:17:01,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2024-11-13 13:17:01,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1893929726, now seen corresponding path program 1 times [2024-11-13 13:17:01,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:01,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277270266] [2024-11-13 13:17:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:01,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:17:01,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:17:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:17:01,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:17:01,506 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:17:01,507 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2024-11-13 13:17:01,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2024-11-13 13:17:01,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2024-11-13 13:17:01,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2024-11-13 13:17:01,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2024-11-13 13:17:01,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2024-11-13 13:17:01,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2024-11-13 13:17:01,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2024-11-13 13:17:01,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2024-11-13 13:17:01,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2024-11-13 13:17:01,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2024-11-13 13:17:01,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2024-11-13 13:17:01,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2024-11-13 13:17:01,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:17:01,525 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:17:01,575 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:17:01,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:17:01 BoogieIcfgContainer [2024-11-13 13:17:01,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:17:01,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:17:01,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:17:01,586 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:17:01,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:17:00" (3/4) ... [2024-11-13 13:17:01,587 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 13:17:01,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:17:01,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:17:01,650 INFO L158 Benchmark]: Toolchain (without parser) took 4471.27ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 35.1MB in the end (delta: 55.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,650 INFO L158 Benchmark]: CDTParser took 1.71ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:17:01,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.24ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 60.2MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.33ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 53.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,651 INFO L158 Benchmark]: Boogie Preprocessor took 154.60ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 46.3MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:17:01,652 INFO L158 Benchmark]: RCFGBuilder took 2255.52ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 42.3MB in the end (delta: 3.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,652 INFO L158 Benchmark]: TraceAbstraction took 1049.88ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,652 INFO L158 Benchmark]: Witness Printer took 63.90ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 35.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:17:01,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.24ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 60.2MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.33ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 53.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.60ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 46.3MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2255.52ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 42.3MB in the end (delta: 3.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1049.88ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 63.90ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 35.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1696]: integer overflow possible integer overflow possible We found a FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; VAL [DC=0, DeviceUsageTypePaging=0, Executive=0, IPC=0, KernelMode=0, MPR1=0, MPR3=0, NP=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0] [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L1755] CALL _BLAST_init() [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, 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=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 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=0, 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=0, 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=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, 522 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2253 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1500 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 753 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, 0.2s 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 13:17:01,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8acce6-c9c4-4e55-86de-166e3b0cc915/bin/uautomizer-verify-qhAvR1uOyd/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)