./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:41,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:41,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:41,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:41,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:41,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:41,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:41,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:41,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:41,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:41,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:41,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:41,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:41,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:41,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:41,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:41,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:41,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:41,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:41,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:41,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:41,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:41,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:41,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:41,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:41,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:41,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:41,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:41,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:41,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:41,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:41,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:41,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:41,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:41,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:41,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:41,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:41,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:41,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:41,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:41,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:41,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:57:41,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:41,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:41,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:41,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:41,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:41,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:41,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:41,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:41,479 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:41,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:41,480 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:41,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:57:41,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:41,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:41,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:41,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:41,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:41,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:41,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:41,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:41,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:41,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:41,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:57:41,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:57:41,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:41,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:41,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:41,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:41,484 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2021-12-15 08:57:41,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:41,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:41,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:41,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:41,696 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:41,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2021-12-15 08:57:41,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2488b057d/d25d6b90d9bd485eb28367a6b6e883a0/FLAG43cff331c [2021-12-15 08:57:42,331 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:57:42,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2021-12-15 08:57:42,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2488b057d/d25d6b90d9bd485eb28367a6b6e883a0/FLAG43cff331c [2021-12-15 08:57:42,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2488b057d/d25d6b90d9bd485eb28367a6b6e883a0 [2021-12-15 08:57:42,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:57:42,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:57:42,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:42,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:57:42,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:57:42,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:42" (1/1) ... [2021-12-15 08:57:42,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1449141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:42, skipping insertion in model container [2021-12-15 08:57:42,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:42" (1/1) ... [2021-12-15 08:57:42,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:57:42,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:57:43,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2021-12-15 08:57:44,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:44,030 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:57:44,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2021-12-15 08:57:44,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:44,470 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:57:44,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44 WrapperNode [2021-12-15 08:57:44,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:44,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:44,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:57:44,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:57:44,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,706 INFO L137 Inliner]: procedures = 120, calls = 2195, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2336 [2021-12-15 08:57:44,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:44,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:57:44,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:57:44,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:57:44,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:57:44,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:57:44,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:57:44,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:57:44,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (1/1) ... [2021-12-15 08:57:44,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:44,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:57:44,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 08:57:44,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 08:57:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:57:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 08:57:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 08:57:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2021-12-15 08:57:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2021-12-15 08:57:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 08:57:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:57:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:57:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2021-12-15 08:57:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2021-12-15 08:57:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:57:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:57:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:57:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:57:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2021-12-15 08:57:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2021-12-15 08:57:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:57:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:57:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:57:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-12-15 08:57:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-12-15 08:57:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:57:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:57:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:57:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:57:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:57:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:57:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:57:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:57:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:57:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:57:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:57:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:57:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:57:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:57:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:57:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:57:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 08:57:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:57:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:57:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:57:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:57:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:57:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:57:45,240 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:57:45,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:57:45,347 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:57:45,358 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:57:45,801 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,820 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:57:45,820 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:57:45,835 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,835 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,836 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,841 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,846 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:45,849 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:56,899 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##504: assume !false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##503: assume false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-15 08:57:56,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-15 08:57:56,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2021-12-15 08:57:56,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2021-12-15 08:57:56,935 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:56,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:57:56,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:57:56,949 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:57:56,957 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:57:56,957 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 08:57:56,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:57:56 BoogieIcfgContainer [2021-12-15 08:57:56,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:57:56,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:57:56,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:57:56,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:57:56,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:57:42" (1/3) ... [2021-12-15 08:57:56,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc2bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:57:56, skipping insertion in model container [2021-12-15 08:57:56,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:44" (2/3) ... [2021-12-15 08:57:56,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc2bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:57:56, skipping insertion in model container [2021-12-15 08:57:56,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:57:56" (3/3) ... [2021-12-15 08:57:56,965 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2021-12-15 08:57:56,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:57:56,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:57:56,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:57:57,002 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 08:57:57,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:57:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 617 states, 483 states have (on average 1.5196687370600415) internal successors, (734), 502 states have internal predecessors, (734), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2021-12-15 08:57:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 08:57:57,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:57:57,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:57:57,025 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:57:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:57:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 5486212, now seen corresponding path program 1 times [2021-12-15 08:57:57,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:57:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252024069] [2021-12-15 08:57:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:57:57,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:57:57,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:57:57,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 08:57:57,148 INFO L158 Benchmark]: Toolchain (without parser) took 14339.39ms. Allocated memory was 92.3MB in the beginning and 283.1MB in the end (delta: 190.8MB). Free memory was 62.2MB in the beginning and 123.4MB in the end (delta: -61.2MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,148 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:57:57,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1662.07ms. Allocated memory was 92.3MB in the beginning and 209.7MB in the end (delta: 117.4MB). Free memory was 62.0MB in the beginning and 150.5MB in the end (delta: -88.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.26ms. Allocated memory is still 209.7MB. Free memory was 150.5MB in the beginning and 134.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,151 INFO L158 Benchmark]: Boogie Preprocessor took 152.19ms. Allocated memory is still 209.7MB. Free memory was 134.8MB in the beginning and 115.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,151 INFO L158 Benchmark]: RCFGBuilder took 12099.29ms. Allocated memory was 209.7MB in the beginning and 283.1MB in the end (delta: 73.4MB). Free memory was 115.9MB in the beginning and 140.2MB in the end (delta: -24.3MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,154 INFO L158 Benchmark]: TraceAbstraction took 185.84ms. Allocated memory is still 283.1MB. Free memory was 140.2MB in the beginning and 123.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:57,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1662.07ms. Allocated memory was 92.3MB in the beginning and 209.7MB in the end (delta: 117.4MB). Free memory was 62.0MB in the beginning and 150.5MB in the end (delta: -88.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.26ms. Allocated memory is still 209.7MB. Free memory was 150.5MB in the beginning and 134.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.19ms. Allocated memory is still 209.7MB. Free memory was 134.8MB in the beginning and 115.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 12099.29ms. Allocated memory was 209.7MB in the beginning and 283.1MB in the end (delta: 73.4MB). Free memory was 115.9MB in the beginning and 140.2MB in the end (delta: -24.3MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * TraceAbstraction took 185.84ms. Allocated memory is still 283.1MB. Free memory was 140.2MB in the beginning and 123.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 08:57:57,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:58,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:58,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:58,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:58,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:58,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:58,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:58,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:58,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:58,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:58,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:58,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:58,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:58,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:58,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:59,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:59,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:59,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:59,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:59,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:59,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:59,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:59,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:59,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:59,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:59,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:59,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:59,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:59,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:59,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:59,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:59,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:59,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:59,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:59,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:59,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:59,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:59,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:59,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:59,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:59,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:59,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:57:59,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:59,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:59,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:59,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:59,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:59,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:59,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:59,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:59,064 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:59,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:59,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:57:59,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:57:59,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:57:59,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:59,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:59,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:59,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:59,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:59,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:59,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:59,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:59,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:59,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:59,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:59,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:59,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:57:59,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0884018313fc350052496ea1071e31a8b2c3997d36767afc87946a21697816 [2021-12-15 08:57:59,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:59,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:59,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:59,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:59,356 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:59,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2021-12-15 08:57:59,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b710059/246e8226fc5c496bb8a7374ac039536a/FLAGa26cf7ce7 [2021-12-15 08:58:00,039 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:58:00,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2021-12-15 08:58:00,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b710059/246e8226fc5c496bb8a7374ac039536a/FLAGa26cf7ce7 [2021-12-15 08:58:00,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b710059/246e8226fc5c496bb8a7374ac039536a [2021-12-15 08:58:00,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:58:00,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:58:00,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:58:00,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:58:00,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:58:00,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32572b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00, skipping insertion in model container [2021-12-15 08:58:00,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:58:00,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:58:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2021-12-15 08:58:01,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:01,712 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 08:58:01,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:58:01,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2021-12-15 08:58:02,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:02,055 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:58:02,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2021-12-15 08:58:02,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:02,434 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:58:02,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02 WrapperNode [2021-12-15 08:58:02,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:58:02,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:02,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:58:02,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:58:02,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,588 INFO L137 Inliner]: procedures = 132, calls = 2195, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2264 [2021-12-15 08:58:02,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:02,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:58:02,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:58:02,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:58:02,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:58:02,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:58:02,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:58:02,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:58:02,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (1/1) ... [2021-12-15 08:58:02,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:58:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:58:02,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 08:58:02,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 08:58:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 08:58:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:58:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 08:58:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2021-12-15 08:58:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2021-12-15 08:58:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:58:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2021-12-15 08:58:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:58:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 08:58:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 08:58:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:58:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:58:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2021-12-15 08:58:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2021-12-15 08:58:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:58:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:58:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:58:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-12-15 08:58:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-12-15 08:58:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:58:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:58:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:58:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:58:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:58:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:58:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:58:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:58:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:58:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:58:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 08:58:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 08:58:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:58:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 08:58:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:58:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:58:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:58:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:58:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:58:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 08:58:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:58:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:58:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:58:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:58:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:58:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:58:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:58:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:58:03,177 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:58:03,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:58:04,147 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:04,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:58:04,164 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:58:08,358 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:58:08,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:58:08,449 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,449 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,450 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,456 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,462 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:08,467 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##504: assume !false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##503: assume false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0bv32; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2021-12-15 08:58:44,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-12-15 08:58:44,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-12-15 08:58:44,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-15 08:58:44,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-15 08:58:44,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2021-12-15 08:58:44,093 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2021-12-15 08:58:44,265 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:44,288 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:58:44,288 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:58:44,299 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:58:44,311 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:58:44,311 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 08:58:44,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:44 BoogieIcfgContainer [2021-12-15 08:58:44,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:58:44,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:58:44,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:58:44,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:58:44,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:58:00" (1/3) ... [2021-12-15 08:58:44,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f1b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:44, skipping insertion in model container [2021-12-15 08:58:44,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02" (2/3) ... [2021-12-15 08:58:44,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f1b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:44, skipping insertion in model container [2021-12-15 08:58:44,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:44" (3/3) ... [2021-12-15 08:58:44,323 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2021-12-15 08:58:44,326 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:58:44,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:58:44,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:58:44,365 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 08:58:44,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:58:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 617 states, 483 states have (on average 1.5196687370600415) internal successors, (734), 502 states have internal predecessors, (734), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2021-12-15 08:58:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 08:58:44,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:58:44,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:58:44,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:58:44,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:58:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash 5486212, now seen corresponding path program 1 times [2021-12-15 08:58:44,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:58:44,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529944525] [2021-12-15 08:58:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:58:44,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:58:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:58:44,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:58:44,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 08:58:44,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 08:58:44,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:58:44,853 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 08:58:44,860 INFO L158 Benchmark]: Toolchain (without parser) took 44418.23ms. Allocated memory was 50.3MB in the beginning and 373.3MB in the end (delta: 323.0MB). Free memory was 26.5MB in the beginning and 287.2MB in the end (delta: -260.7MB). Peak memory consumption was 236.7MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,860 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:58:44,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1991.80ms. Allocated memory was 50.3MB in the beginning and 186.6MB in the end (delta: 136.3MB). Free memory was 26.2MB in the beginning and 107.2MB in the end (delta: -81.0MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.92ms. Allocated memory is still 186.6MB. Free memory was 107.2MB in the beginning and 92.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,862 INFO L158 Benchmark]: Boogie Preprocessor took 154.52ms. Allocated memory is still 186.6MB. Free memory was 92.6MB in the beginning and 72.6MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,862 INFO L158 Benchmark]: RCFGBuilder took 41573.19ms. Allocated memory was 186.6MB in the beginning and 373.3MB in the end (delta: 186.6MB). Free memory was 72.6MB in the beginning and 140.4MB in the end (delta: -67.9MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,863 INFO L158 Benchmark]: TraceAbstraction took 539.70ms. Allocated memory is still 373.3MB. Free memory was 139.4MB in the beginning and 287.2MB in the end (delta: -147.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-12-15 08:58:44,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1991.80ms. Allocated memory was 50.3MB in the beginning and 186.6MB in the end (delta: 136.3MB). Free memory was 26.2MB in the beginning and 107.2MB in the end (delta: -81.0MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.92ms. Allocated memory is still 186.6MB. Free memory was 107.2MB in the beginning and 92.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.52ms. Allocated memory is still 186.6MB. Free memory was 92.6MB in the beginning and 72.6MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 41573.19ms. Allocated memory was 186.6MB in the beginning and 373.3MB in the end (delta: 186.6MB). Free memory was 72.6MB in the beginning and 140.4MB in the end (delta: -67.9MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. * TraceAbstraction took 539.70ms. Allocated memory is still 373.3MB. Free memory was 139.4MB in the beginning and 287.2MB in the end (delta: -147.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 08:58:44,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable