./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 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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/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 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe --- 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 08:08:21,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:08:21,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:08:21,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:08:21,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:08:21,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:08:21,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:08:21,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:08:21,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:08:21,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:08:21,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:08:21,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:08:21,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:08:21,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:08:21,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:08:21,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:08:21,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:08:21,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:08:21,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:08:21,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:08:21,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:08:21,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:08:21,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:08:21,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:08:21,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:08:21,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:08:21,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:08:21,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:08:21,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:08:21,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:08:21,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:08:21,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:08:21,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:08:21,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:08:21,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:08:21,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:08:21,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:08:21,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:08:21,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:08:21,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:08:21,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:08:21,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:08:21,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:08:21,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:08:21,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:08:21,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:08:21,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:08:21,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:08:21,396 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:08:21,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:08:21,397 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:08:21,397 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:08:21,398 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:08:21,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:08:21,399 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:08:21,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:08:21,399 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:08:21,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:08:21,399 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:08:21,400 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:08:21,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:08:21,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:08:21,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:08:21,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:08:21,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:08:21,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:08:21,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:08:21,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:08:21,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:08:21,404 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:08:21,404 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:08:21,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:08:21,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:08:21,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:08:21,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:08:21,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:08:21,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:08:21,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:08:21,406 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:08:21,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:08:21,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:08:21,407 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:08:21,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:08:21,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:08:21,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:08:21,407 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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75fd132a1a39ad1f2927845122893235fdf65fe2225472c79a2e84525dcd60fe [2022-11-19 08:08:21,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:08:21,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:08:21,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:08:21,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:08:21,765 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:08:21,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-11-19 08:08:21,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/data/0efca88a2/4185a7f9624e4388a4a14fd12cd79376/FLAG22adf624f [2022-11-19 08:08:22,403 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:08:22,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2022-11-19 08:08:22,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/data/0efca88a2/4185a7f9624e4388a4a14fd12cd79376/FLAG22adf624f [2022-11-19 08:08:22,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/data/0efca88a2/4185a7f9624e4388a4a14fd12cd79376 [2022-11-19 08:08:22,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:08:22,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:08:22,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:08:22,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:08:22,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:08:22,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:08:22" (1/1) ... [2022-11-19 08:08:22,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f6d1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:22, skipping insertion in model container [2022-11-19 08:08:22,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:08:22" (1/1) ... [2022-11-19 08:08:22,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:08:22,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:08:22,982 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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-11-19 08:08:23,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:08:23,207 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:08:23,225 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_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2022-11-19 08:08:23,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:08:23,403 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:08:23,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23 WrapperNode [2022-11-19 08:08:23,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:08:23,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:08:23,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:08:23,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:08:23,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,551 INFO L138 Inliner]: procedures = 41, calls = 107, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1603 [2022-11-19 08:08:23,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:08:23,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:08:23,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:08:23,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:08:23,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:08:23,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:08:23,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:08:23,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:08:23,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (1/1) ... [2022-11-19 08:08:23,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:08:23,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:08:23,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:08:23,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:08:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2022-11-19 08:08:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2022-11-19 08:08:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:08:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2022-11-19 08:08:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2022-11-19 08:08:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-19 08:08:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-19 08:08:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2022-11-19 08:08:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2022-11-19 08:08:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-11-19 08:08:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-11-19 08:08:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-19 08:08:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-19 08:08:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2022-11-19 08:08:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2022-11-19 08:08:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-11-19 08:08:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-11-19 08:08:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2022-11-19 08:08:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2022-11-19 08:08:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-19 08:08:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-19 08:08:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:08:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-19 08:08:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-19 08:08:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2022-11-19 08:08:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2022-11-19 08:08:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:08:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:08:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2022-11-19 08:08:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2022-11-19 08:08:24,083 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:08:24,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:08:24,264 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-19 08:08:24,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-19 08:08:24,378 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-11-19 08:08:24,405 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-11-19 08:08:24,424 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,425 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,429 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,451 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,462 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,465 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:24,468 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:08:25,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2022-11-19 08:08:25,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2022-11-19 08:08:25,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2022-11-19 08:08:25,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2022-11-19 08:08:25,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2022-11-19 08:08:25,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-11-19 08:08:25,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-11-19 08:08:25,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2022-11-19 08:08:25,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2022-11-19 08:08:25,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-11-19 08:08:25,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-11-19 08:08:25,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-11-19 08:08:25,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-11-19 08:08:25,245 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2022-11-19 08:08:25,246 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2022-11-19 08:08:25,302 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:08:25,619 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:08:25,619 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:08:25,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:08:25 BoogieIcfgContainer [2022-11-19 08:08:25,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:08:25,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:08:25,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:08:25,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:08:25,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:08:22" (1/3) ... [2022-11-19 08:08:25,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11634947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:08:25, skipping insertion in model container [2022-11-19 08:08:25,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:08:23" (2/3) ... [2022-11-19 08:08:25,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11634947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:08:25, skipping insertion in model container [2022-11-19 08:08:25,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:08:25" (3/3) ... [2022-11-19 08:08:25,633 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2022-11-19 08:08:25,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:08:25,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-19 08:08:25,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:08:25,728 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;@1ae8d196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:08:25,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-19 08:08:25,734 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) [2022-11-19 08:08:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:08:25,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:08:25,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:08:25,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2022-11-19 08:08:25,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:08:25,751 INFO L85 PathProgramCache]: Analyzing trace with hash 877572655, now seen corresponding path program 1 times [2022-11-19 08:08:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:08:25,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798067009] [2022-11-19 08:08:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:08:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:08:25,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:08:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:08:26,025 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:08:26,027 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:08:26,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-11-19 08:08:26,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-11-19 08:08:26,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-11-19 08:08:26,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-11-19 08:08:26,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location CdAudioSendToNextDriverErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-11-19 08:08:26,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-11-19 08:08:26,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-11-19 08:08:26,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-11-19 08:08:26,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-11-19 08:08:26,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-11-19 08:08:26,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-11-19 08:08:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-11-19 08:08:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-11-19 08:08:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2022-11-19 08:08:26,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-11-19 08:08:26,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-11-19 08:08:26,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-11-19 08:08:26,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-11-19 08:08:26,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-11-19 08:08:26,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-11-19 08:08:26,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-11-19 08:08:26,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-11-19 08:08:26,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-11-19 08:08:26,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-11-19 08:08:26,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-11-19 08:08:26,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location HPCdrCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-11-19 08:08:26,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:08:26,058 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:08:26,063 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:08:26,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:08:26 BoogieIcfgContainer [2022-11-19 08:08:26,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:08:26,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:08:26,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:08:26,116 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:08:26,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:08:25" (3/4) ... [2022-11-19 08:08:26,118 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:08:26,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:08:26,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:08:26,202 INFO L158 Benchmark]: Toolchain (without parser) took 3545.42ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 78.8MB in the beginning and 127.1MB in the end (delta: -48.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,202 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:08:26,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.29ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 74.2MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.64ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,203 INFO L158 Benchmark]: Boogie Preprocessor took 123.37ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 62.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,204 INFO L158 Benchmark]: RCFGBuilder took 1947.13ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 62.0MB in the beginning and 90.6MB in the end (delta: -28.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,204 INFO L158 Benchmark]: TraceAbstraction took 487.81ms. Allocated memory is still 176.2MB. Free memory was 89.6MB in the beginning and 130.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:08:26,204 INFO L158 Benchmark]: Witness Printer took 85.02ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:08:26,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.29ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 74.2MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.64ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.37ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 62.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1947.13ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 62.0MB in the beginning and 90.6MB in the end (delta: -28.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * TraceAbstraction took 487.81ms. Allocated memory is still 176.2MB. Free memory was 89.6MB in the beginning and 130.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.02ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 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 [\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=-1073741637, 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=-1073741637, 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=-1073741637, 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, 403 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=403occurred 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 08:08:26,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c5e48f-e339-4aa0-8d09-b4f11415d0ba/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)