./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 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_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh --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 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:49:56,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:49:56,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 18:49:56,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:49:56,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:49:56,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:49:56,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:49:56,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:49:56,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:49:56,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:49:56,561 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:49:56,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:49:56,562 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:49:56,562 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:49:56,563 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:49:56,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:49:56,564 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:49:56,564 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:49:56,565 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:49:56,565 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:49:56,566 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:49:56,566 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:49:56,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:49:56,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:49:56,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:49:56,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:49:56,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:49:56,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:49:56,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:49:56,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:49:56,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:49:56,571 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 18:49:56,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:49:56,572 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:49:56,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:49:56,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:49:56,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:49:56,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:49:56,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:49:56,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:49:56,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:49:56,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:49:56,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:49:56,574 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:49:56,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:49:56,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:49:56,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:49:56,575 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:49:56,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:49:56,576 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_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe [2023-12-02 18:49:56,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:49:56,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:49:56,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:49:56,808 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:49:56,808 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:49:56,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2023-12-02 18:49:59,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:49:59,851 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:49:59,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2023-12-02 18:49:59,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/data/03a92e3af/dbd12355a54b4ef78251696303ce3428/FLAG36926cb3b [2023-12-02 18:49:59,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/data/03a92e3af/dbd12355a54b4ef78251696303ce3428 [2023-12-02 18:49:59,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:49:59,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:49:59,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:49:59,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:49:59,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:49:59,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:49:59" (1/1) ... [2023-12-02 18:49:59,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572cbbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:49:59, skipping insertion in model container [2023-12-02 18:49:59,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:49:59" (1/1) ... [2023-12-02 18:49:59,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:50:00,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:50:00,340 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:50:00,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:50:00,487 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:50:00,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00 WrapperNode [2023-12-02 18:50:00,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:50:00,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:50:00,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:50:00,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:50:00,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,574 INFO L138 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 1698 [2023-12-02 18:50:00,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:50:00,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:50:00,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:50:00,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:50:00,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:50:00,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:50:00,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:50:00,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:50:00,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (1/1) ... [2023-12-02 18:50:00,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:50:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:50:00,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:50:00,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:50:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2023-12-02 18:50:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2023-12-02 18:50:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:50:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2023-12-02 18:50:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2023-12-02 18:50:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-12-02 18:50:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-12-02 18:50:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2023-12-02 18:50:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2023-12-02 18:50:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-12-02 18:50:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-12-02 18:50:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-12-02 18:50:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-12-02 18:50:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2023-12-02 18:50:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2023-12-02 18:50:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2023-12-02 18:50:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2023-12-02 18:50:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2023-12-02 18:50:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2023-12-02 18:50:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-12-02 18:50:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-12-02 18:50:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:50:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-12-02 18:50:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-12-02 18:50:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2023-12-02 18:50:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2023-12-02 18:50:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:50:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:50:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2023-12-02 18:50:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2023-12-02 18:50:00,925 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:50:00,927 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:50:01,035 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,085 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2023-12-02 18:50:01,085 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2023-12-02 18:50:01,143 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,162 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_7~0; [2023-12-02 18:50:01,162 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-12-02 18:50:01,170 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,171 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,175 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,185 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,196 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,198 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,201 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false;havoc ZwClose_~tmp_ndt_10~0#1; [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2023-12-02 18:50:01,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-12-02 18:50:01,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2023-12-02 18:50:01,889 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2023-12-02 18:50:01,941 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:50:02,241 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:50:02,242 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:50:02,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:02 BoogieIcfgContainer [2023-12-02 18:50:02,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:50:02,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:50:02,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:50:02,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:50:02,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:49:59" (1/3) ... [2023-12-02 18:50:02,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5008e3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:50:02, skipping insertion in model container [2023-12-02 18:50:02,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:00" (2/3) ... [2023-12-02 18:50:02,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5008e3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:50:02, skipping insertion in model container [2023-12-02 18:50:02,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:02" (3/3) ... [2023-12-02 18:50:02,252 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2023-12-02 18:50:02,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:50:02,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-12-02 18:50:02,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:50:02,339 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;@1cc6ae5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:50:02,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-12-02 18:50:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 403 states, 277 states have (on average 1.5667870036101084) internal successors, (434), 320 states have internal predecessors, (434), 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) [2023-12-02 18:50:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 18:50:02,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:02,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:50:02,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-12-02 18:50:02,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:02,361 INFO L85 PathProgramCache]: Analyzing trace with hash -32763486, now seen corresponding path program 1 times [2023-12-02 18:50:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:02,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282122857] [2023-12-02 18:50:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:50:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:50:02,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:50:02,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282122857] [2023-12-02 18:50:02,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282122857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:50:02,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:50:02,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:50:02,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439495802] [2023-12-02 18:50:02,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:50:02,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:50:02,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:50:02,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:50:02,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:50:02,633 INFO L87 Difference]: Start difference. First operand has 403 states, 277 states have (on average 1.5667870036101084) internal successors, (434), 320 states have internal predecessors, (434), 86 states have call successors, (86), 13 states have call predecessors, (86), 13 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 4 states, 3 states have (on average 3.0) 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) [2023-12-02 18:50:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:50:02,917 INFO L93 Difference]: Finished difference Result 707 states and 1090 transitions. [2023-12-02 18:50:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:50:02,920 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 [2023-12-02 18:50:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:50:02,931 INFO L225 Difference]: With dead ends: 707 [2023-12-02 18:50:02,931 INFO L226 Difference]: Without dead ends: 224 [2023-12-02 18:50:02,939 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 [2023-12-02 18:50:02,942 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 28 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1523 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 [2023-12-02 18:50:02,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1523 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:50:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-12-02 18:50:02,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2023-12-02 18:50:02,995 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) [2023-12-02 18:50:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 269 transitions. [2023-12-02 18:50:02,999 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 269 transitions. Word has length 9 [2023-12-02 18:50:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:50:02,999 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 269 transitions. [2023-12-02 18:50:02,999 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) [2023-12-02 18:50:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 269 transitions. [2023-12-02 18:50:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 18:50:03,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:50:03,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:50:03,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:50:03,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2023-12-02 18:50:03,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:50:03,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1015666854, now seen corresponding path program 1 times [2023-12-02 18:50:03,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:50:03,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319425203] [2023-12-02 18:50:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:50:03,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:50:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:50:03,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:50:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:50:03,085 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:50:03,086 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:50:03,087 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2023-12-02 18:50:03,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2023-12-02 18:50:03,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2023-12-02 18:50:03,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2023-12-02 18:50:03,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2023-12-02 18:50:03,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2023-12-02 18:50:03,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2023-12-02 18:50:03,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2023-12-02 18:50:03,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2023-12-02 18:50:03,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2023-12-02 18:50:03,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2023-12-02 18:50:03,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2023-12-02 18:50:03,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2023-12-02 18:50:03,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2023-12-02 18:50:03,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2023-12-02 18:50:03,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2023-12-02 18:50:03,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2023-12-02 18:50:03,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2023-12-02 18:50:03,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2023-12-02 18:50:03,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2023-12-02 18:50:03,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2023-12-02 18:50:03,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2023-12-02 18:50:03,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2023-12-02 18:50:03,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2023-12-02 18:50:03,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2023-12-02 18:50:03,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2023-12-02 18:50:03,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:50:03,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 18:50:03,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:50:03,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated [2023-12-02 18:50:03,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:50:03 BoogieIcfgContainer [2023-12-02 18:50:03,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:50:03,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:50:03,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:50:03,145 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:50:03,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:50:02" (3/4) ... [2023-12-02 18:50:03,147 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 18:50:03,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post151 could not be translated [2023-12-02 18:50:03,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 18:50:03,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:50:03,206 INFO L158 Benchmark]: Toolchain (without parser) took 3315.77ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 125.3MB in the beginning and 170.6MB in the end (delta: -45.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,206 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:50:03,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.63ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 136.9MB in the end (delta: -11.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.28ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 129.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,207 INFO L158 Benchmark]: Boogie Preprocessor took 82.10ms. Allocated memory is still 172.0MB. Free memory was 129.6MB in the beginning and 124.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,207 INFO L158 Benchmark]: RCFGBuilder took 1585.67ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 108.5MB in the end (delta: 15.9MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,208 INFO L158 Benchmark]: TraceAbstraction took 898.78ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 107.5MB in the beginning and 174.8MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:50:03,208 INFO L158 Benchmark]: Witness Printer took 59.86ms. Allocated memory is still 226.5MB. Free memory was 174.8MB in the beginning and 170.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:50:03,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.63ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 136.9MB in the end (delta: -11.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.28ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 129.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.10ms. Allocated memory is still 172.0MB. Free memory was 129.6MB in the beginning and 124.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1585.67ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 108.5MB in the end (delta: 15.9MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * TraceAbstraction took 898.78ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 107.5MB in the beginning and 174.8MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.86ms. Allocated memory is still 226.5MB. Free memory was 174.8MB in the beginning and 170.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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, 403 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 1523 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1007 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 206 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 516 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=403occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 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! [2023-12-02 18:50:03,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01d9a31d-4183-42dd-bd60-2b51018be385/bin/utaipan-verify-nQ1chXbOIh/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)