./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/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_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:15:50,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:50,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:50,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:50,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:50,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:50,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:50,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:50,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:50,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:50,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:50,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:50,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:50,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:50,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:50,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:50,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:50,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:50,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:50,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:50,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:50,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:50,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:50,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:50,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:50,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:50,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:50,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:50,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:50,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:50,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:50,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:50,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:50,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:50,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:50,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:50,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:50,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:50,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:50,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:50,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:50,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:15:50,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:50,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:50,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:50,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:50,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:50,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:50,502 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:50,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:50,502 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:50,502 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:15:50,503 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:50,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:50,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:15:50,503 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:15:50,504 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:50,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:15:50,504 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:15:50,505 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:15:50,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:50,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:15:50,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:15:50,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:50,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:15:50,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:50,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:15:50,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:50,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:15:50,508 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:15:50,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:15:50,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:15:50,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:50,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:15:50,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:50,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:50,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:50,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:50,510 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:15:50,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:50,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:15:50,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:15:50,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:15:50,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:15:50,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:50,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2022-11-19 08:15:50,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:50,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:50,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:50,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:50,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:50,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2022-11-19 08:15:50,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/data/af5b33ec9/0c6a3ca6e1c44415be4896d1c1f24e91/FLAG16fe6015b [2022-11-19 08:15:51,695 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:51,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2022-11-19 08:15:51,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/data/af5b33ec9/0c6a3ca6e1c44415be4896d1c1f24e91/FLAG16fe6015b [2022-11-19 08:15:51,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/data/af5b33ec9/0c6a3ca6e1c44415be4896d1c1f24e91 [2022-11-19 08:15:51,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:51,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:51,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:51,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:51,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:51,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:51" (1/1) ... [2022-11-19 08:15:51,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f944d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:51, skipping insertion in model container [2022-11-19 08:15:51,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:51" (1/1) ... [2022-11-19 08:15:51,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:51,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:15:52,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2022-11-19 08:15:52,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:52,304 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:15:52,320 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2022-11-19 08:15:52,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:15:52,471 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:15:52,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52 WrapperNode [2022-11-19 08:15:52,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:52,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:52,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:15:52,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:15:52,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,617 INFO L138 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1605 [2022-11-19 08:15:52,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:15:52,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:15:52,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:15:52,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:15:52,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:15:52,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:15:52,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:15:52,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:15:52,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (1/1) ... [2022-11-19 08:15:52,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:52,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:52,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:15:52,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:15:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2022-11-19 08:15:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2022-11-19 08:15:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:15:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2022-11-19 08:15:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2022-11-19 08:15:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-19 08:15:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-19 08:15:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2022-11-19 08:15:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2022-11-19 08:15:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-11-19 08:15:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-11-19 08:15:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-19 08:15:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-19 08:15:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2022-11-19 08:15:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2022-11-19 08:15:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-11-19 08:15:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-11-19 08:15:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2022-11-19 08:15:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2022-11-19 08:15:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-19 08:15:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-19 08:15:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:15:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-19 08:15:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-19 08:15:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2022-11-19 08:15:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2022-11-19 08:15:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:15:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:15:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2022-11-19 08:15:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2022-11-19 08:15:53,212 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:15:53,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:15:53,355 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,436 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-19 08:15:53,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-19 08:15:53,560 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,587 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-11-19 08:15:53,587 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-11-19 08:15:53,603 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,604 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,607 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,634 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,649 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,654 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:53,659 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:15:54,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2022-11-19 08:15:54,493 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2022-11-19 08:15:54,494 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2022-11-19 08:15:54,495 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2022-11-19 08:15:54,495 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2022-11-19 08:15:54,495 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-11-19 08:15:54,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-11-19 08:15:54,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2022-11-19 08:15:54,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2022-11-19 08:15:54,496 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-11-19 08:15:54,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-11-19 08:15:54,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-11-19 08:15:54,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-11-19 08:15:54,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2022-11-19 08:15:54,498 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2022-11-19 08:15:54,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:15:54,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:15:54,901 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:15:54,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:54 BoogieIcfgContainer [2022-11-19 08:15:54,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:15:54,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:15:54,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:15:54,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:15:54,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:15:51" (1/3) ... [2022-11-19 08:15:54,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8a3f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:54, skipping insertion in model container [2022-11-19 08:15:54,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:52" (2/3) ... [2022-11-19 08:15:54,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8a3f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:15:54, skipping insertion in model container [2022-11-19 08:15:54,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:54" (3/3) ... [2022-11-19 08:15:54,919 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2022-11-19 08:15:54,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:15:54,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-19 08:15:55,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:15:55,062 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=LoopsAndPotentialCycles, 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;@60f2a537, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:15:55,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-19 08:15:55,069 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) [2022-11-19 08:15:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:15:55,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:55,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:55,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-19 08:15:55,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash -513273213, now seen corresponding path program 1 times [2022-11-19 08:15:55,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:55,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925313273] [2022-11-19 08:15:55,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:55,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:15:55,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:15:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:15:55,382 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:15:55,384 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:15:55,386 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-11-19 08:15:55,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-11-19 08:15:55,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-11-19 08:15:55,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-11-19 08:15:55,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-11-19 08:15:55,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-11-19 08:15:55,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-11-19 08:15:55,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-11-19 08:15:55,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-11-19 08:15:55,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-11-19 08:15:55,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-11-19 08:15:55,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-11-19 08:15:55,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-11-19 08:15:55,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2022-11-19 08:15:55,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-11-19 08:15:55,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-11-19 08:15:55,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-11-19 08:15:55,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-11-19 08:15:55,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-11-19 08:15:55,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-11-19 08:15:55,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-11-19 08:15:55,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-11-19 08:15:55,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-11-19 08:15:55,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-11-19 08:15:55,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-11-19 08:15:55,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-11-19 08:15:55,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:15:55,423 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:15:55,429 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:15:55,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:15:55 BoogieIcfgContainer [2022-11-19 08:15:55,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:15:55,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:15:55,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:15:55,496 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:15:55,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:15:54" (3/4) ... [2022-11-19 08:15:55,498 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:15:55,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:15:55,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:15:55,597 INFO L158 Benchmark]: Toolchain (without parser) took 3850.07ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 107.0MB in the beginning and 126.9MB in the end (delta: -19.9MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,597 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:15:55,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.66ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 100.3MB in the end (delta: 6.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.91ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 92.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,599 INFO L158 Benchmark]: Boogie Preprocessor took 87.67ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 87.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,599 INFO L158 Benchmark]: RCFGBuilder took 2200.69ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 87.7MB in the beginning and 153.1MB in the end (delta: -65.3MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,600 INFO L158 Benchmark]: TraceAbstraction took 581.83ms. Allocated memory is still 203.4MB. Free memory was 153.1MB in the beginning and 130.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,601 INFO L158 Benchmark]: Witness Printer took 100.75ms. Allocated memory is still 203.4MB. Free memory was 130.0MB in the beginning and 126.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:15:55,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.66ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 100.3MB in the end (delta: 6.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.91ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 92.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.67ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 87.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2200.69ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 87.7MB in the beginning and 153.1MB in the end (delta: -65.3MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 581.83ms. Allocated memory is still 203.4MB. Free memory was 153.1MB in the beginning and 130.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 100.75ms. Allocated memory is still 203.4MB. Free memory was 130.0MB in the beginning and 126.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1696]: integer overflow possible integer overflow possible We found a FailurePath: [L39] int MPR3 ; [L34] int NP ; [L42] int compFptr ; [L49] int pirp ; [L50] int Executive ; [L36] int SKIP1 ; [L38] int MPR1 ; [L37] int SKIP2 ; [L52] int KernelMode ; [L41] int pended ; [L33] int UNLOADED ; [L53] int DeviceUsageTypePaging ; [L43] int compRegistered ; [L32] int s ; [L47] int routine ; [L45] int setEventCalled ; [L46] int customIrp ; [L44] int lowerDriverReturn ; [L48] int myStatus ; [L51] int Suspended ; [L40] int IPC ; [L35] int DC ; [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 FALSE !(irp_choice == 0) [L1772] CALL stub_driver_init() [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr [L1772] RET stub_driver_init() [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND FALSE !(tmp_ndt_1 == 2) [L1784] int tmp_ndt_2; [L1785] tmp_ndt_2 = __VERIFIER_nondet_int() [L1786] COND FALSE !(tmp_ndt_2 == 3) [L1789] int tmp_ndt_3; [L1790] tmp_ndt_3 = __VERIFIER_nondet_int() [L1791] COND TRUE tmp_ndt_3 == 4 [L1808] CALL CdAudioPower(devobj, pirp) [L1682] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L1683] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L1684] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1685] int tmp ; VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1688] COND TRUE s == NP [L1689] s = SKIP1 VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1696] Irp__CurrentLocation ++ VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=0, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=2147483647, Irp__CurrentLocation ++=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-11-19 08:15:55,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924d3c7-4062-4a46-b4b2-edc1812e2f23/bin/utaipan-I9t0OCRTmS/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)