./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:07,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:07,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:14:07,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:07,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:07,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:07,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:07,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:07,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:07,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:07,807 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:07,807 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:07,808 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:07,810 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:07,810 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:07,811 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:07,811 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:07,811 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:07,812 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:07,813 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:07,813 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:07,814 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:07,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:07,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:07,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:07,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:07,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:07,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:07,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:07,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:07,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:07,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:14:07,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:07,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:07,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:07,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:07,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:07,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:07,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:07,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:07,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:07,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:07,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:07,824 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:07,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:07,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:07,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:07,826 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:07,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:07,826 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2023-11-24 23:14:08,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:08,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:08,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:08,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:08,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:08,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2023-11-24 23:14:11,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:11,725 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:11,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2023-11-24 23:14:11,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/data/b75ee4a2f/7d1f45f5c3014cfa899772f609534f07/FLAG41496aa54 [2023-11-24 23:14:11,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/data/b75ee4a2f/7d1f45f5c3014cfa899772f609534f07 [2023-11-24 23:14:11,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:11,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:11,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:11,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:11,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:11,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:11" (1/1) ... [2023-11-24 23:14:11,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bdd617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:11, skipping insertion in model container [2023-11-24 23:14:11,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:11" (1/1) ... [2023-11-24 23:14:11,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:12,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:12,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:12,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:12,549 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:12,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12 WrapperNode [2023-11-24 23:14:12,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:12,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:12,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:12,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:12,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,700 INFO L138 Inliner]: procedures = 41, calls = 109, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1700 [2023-11-24 23:14:12,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:12,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:12,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:12,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:12,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:12,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:12,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:12,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:12,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (1/1) ... [2023-11-24 23:14:12,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:12,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:12,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:13,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2023-11-24 23:14:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2023-11-24 23:14:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2023-11-24 23:14:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2023-11-24 23:14:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-24 23:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-24 23:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2023-11-24 23:14:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2023-11-24 23:14:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-24 23:14:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-24 23:14:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-24 23:14:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-24 23:14:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2023-11-24 23:14:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2023-11-24 23:14:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2023-11-24 23:14:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2023-11-24 23:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2023-11-24 23:14:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2023-11-24 23:14:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-24 23:14:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-24 23:14:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-24 23:14:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-24 23:14:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2023-11-24 23:14:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2023-11-24 23:14:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2023-11-24 23:14:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2023-11-24 23:14:13,375 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:13,378 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:13,529 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,598 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2023-11-24 23:14:13,598 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2023-11-24 23:14:13,695 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,731 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_6~0; [2023-11-24 23:14:13,731 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-24 23:14:13,745 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,746 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,753 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,769 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,801 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,804 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:13,817 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:14:14,559 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2023-11-24 23:14:14,560 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2023-11-24 23:14:14,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2023-11-24 23:14:14,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false;havoc ZwClose_~tmp_ndt_9~0#1; [2023-11-24 23:14:14,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-11-24 23:14:14,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-11-24 23:14:14,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-24 23:14:14,562 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-24 23:14:14,563 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2023-11-24 23:14:14,563 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2023-11-24 23:14:14,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:15,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:15,022 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:15,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15 BoogieIcfgContainer [2023-11-24 23:14:15,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:15,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:15,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:15,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:15,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:11" (1/3) ... [2023-11-24 23:14:15,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105b2634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:15, skipping insertion in model container [2023-11-24 23:14:15,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:12" (2/3) ... [2023-11-24 23:14:15,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105b2634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:15, skipping insertion in model container [2023-11-24 23:14:15,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15" (3/3) ... [2023-11-24 23:14:15,039 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2023-11-24 23:14:15,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:15,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-24 23:14:15,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:15,150 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@2a72f349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:15,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-11-24 23:14:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 278 states have (on average 1.5683453237410072) internal successors, (436), 322 states have internal predecessors, (436), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-24 23:14:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:14:15,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:15,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:15,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-24 23:14:15,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:15,174 INFO L85 PathProgramCache]: Analyzing trace with hash 383785527, now seen corresponding path program 1 times [2023-11-24 23:14:15,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:15,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058254051] [2023-11-24 23:14:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:15,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:15,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058254051] [2023-11-24 23:14:15,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058254051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:15,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:15,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:15,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431112637] [2023-11-24 23:14:15,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:15,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:14:15,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:14:15,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:14:15,532 INFO L87 Difference]: Start difference. First operand has 405 states, 278 states have (on average 1.5683453237410072) internal successors, (436), 322 states have internal predecessors, (436), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-24 23:14:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:15,887 INFO L93 Difference]: Finished difference Result 711 states and 1098 transitions. [2023-11-24 23:14:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:14:15,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2023-11-24 23:14:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:15,901 INFO L225 Difference]: With dead ends: 711 [2023-11-24 23:14:15,902 INFO L226 Difference]: Without dead ends: 224 [2023-11-24 23:14:15,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:15,913 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 28 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:15,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1532 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:14:15,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-24 23:14:15,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2023-11-24 23:14:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 197 states have internal predecessors, (223), 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) [2023-11-24 23:14:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 269 transitions. [2023-11-24 23:14:15,974 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 269 transitions. Word has length 9 [2023-11-24 23:14:15,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:15,974 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 269 transitions. [2023-11-24 23:14:15,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-24 23:14:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 269 transitions. [2023-11-24 23:14:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:14:15,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:15,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:15,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:15,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-11-24 23:14:15,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash -987549339, now seen corresponding path program 1 times [2023-11-24 23:14:15,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:15,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904808381] [2023-11-24 23:14:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:15,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:16,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:16,048 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:16,048 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:16,050 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2023-11-24 23:14:16,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2023-11-24 23:14:16,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2023-11-24 23:14:16,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2023-11-24 23:14:16,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2023-11-24 23:14:16,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2023-11-24 23:14:16,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2023-11-24 23:14:16,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2023-11-24 23:14:16,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2023-11-24 23:14:16,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2023-11-24 23:14:16,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2023-11-24 23:14:16,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2023-11-24 23:14:16,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2023-11-24 23:14:16,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2023-11-24 23:14:16,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2023-11-24 23:14:16,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2023-11-24 23:14:16,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2023-11-24 23:14:16,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2023-11-24 23:14:16,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2023-11-24 23:14:16,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2023-11-24 23:14:16,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2023-11-24 23:14:16,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2023-11-24 23:14:16,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2023-11-24 23:14:16,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2023-11-24 23:14:16,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2023-11-24 23:14:16,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2023-11-24 23:14:16,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:14:16,064 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:14:16,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:16,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated [2023-11-24 23:14:16,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:16 BoogieIcfgContainer [2023-11-24 23:14:16,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:16,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:16,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:16,107 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:16,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:15" (3/4) ... [2023-11-24 23:14:16,109 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:14:16,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated [2023-11-24 23:14:16,169 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:14:16,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:16,170 INFO L158 Benchmark]: Toolchain (without parser) took 4394.54ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 94.6MB in the beginning and 139.0MB in the end (delta: -44.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,170 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:16,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.71ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 62.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.17ms. Allocated memory is still 144.7MB. Free memory was 62.7MB in the beginning and 55.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,171 INFO L158 Benchmark]: Boogie Preprocessor took 194.35ms. Allocated memory is still 144.7MB. Free memory was 55.3MB in the beginning and 107.4MB in the end (delta: -52.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,172 INFO L158 Benchmark]: RCFGBuilder took 2127.07ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 107.3MB in the beginning and 102.1MB in the end (delta: 5.3MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,172 INFO L158 Benchmark]: TraceAbstraction took 1076.92ms. Allocated memory is still 207.6MB. Free memory was 101.0MB in the beginning and 142.1MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:16,173 INFO L158 Benchmark]: Witness Printer took 62.62ms. Allocated memory is still 207.6MB. Free memory was 142.1MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:16,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.71ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 62.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.17ms. Allocated memory is still 144.7MB. Free memory was 62.7MB in the beginning and 55.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.35ms. Allocated memory is still 144.7MB. Free memory was 55.3MB in the beginning and 107.4MB in the end (delta: -52.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2127.07ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 107.3MB in the beginning and 102.1MB in the end (delta: 5.3MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1076.92ms. Allocated memory is still 207.6MB. Free memory was 101.0MB in the beginning and 142.1MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.62ms. Allocated memory is still 207.6MB. Free memory was 142.1MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 [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, DeviceObject=-1, 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, \old(DeviceObject)=-1, \old(Irp)=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, DeviceObject=-1, 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, \old(DeviceObject)=-1, \old(Irp)=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, DeviceObject=-1, 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, \old(DeviceObject)=-1, \old(Irp)=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, 405 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 1532 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1013 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 519 mSDtfsCounter, 206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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! [2023-11-24 23:14:16,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352b939b-f88e-4b65-8015-1bce0f7a8558/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)