./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/floppy.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/floppy.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 986945cc1d8674c803a19893f7d2aec71de46e5693e78eba56c7bdad24c6e341 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:47,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:47,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:47,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:47,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:47,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:47,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:47,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:47,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:47,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:47,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:47,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:47,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:47,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:47,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:48,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:48,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:48,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:48,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:48,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:48,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:48,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:48,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:48,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:48,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:48,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:48,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:48,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:48,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:48,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:48,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:48,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:48,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:48,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:48,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:48,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:48,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:48,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:48,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:48,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:48,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:48,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:57:48,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:48,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:48,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:48,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:48,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:48,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:48,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:48,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:48,070 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:48,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:48,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:48,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:48,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:48,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:48,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:48,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:48,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:48,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:48,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:48,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:48,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:48,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:48,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:48,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:57:48,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:57:48,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:48,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:48,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:48,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:48,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 986945cc1d8674c803a19893f7d2aec71de46e5693e78eba56c7bdad24c6e341 [2021-12-15 08:57:48,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:48,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:48,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:48,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:48,360 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:48,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/floppy.i.cil-1.c [2021-12-15 08:57:48,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19835282/c5a82aa7c9af49e5b528566c57609f01/FLAGb8554d1a0 [2021-12-15 08:57:49,151 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:57:49,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/floppy.i.cil-1.c [2021-12-15 08:57:49,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19835282/c5a82aa7c9af49e5b528566c57609f01/FLAGb8554d1a0 [2021-12-15 08:57:49,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19835282/c5a82aa7c9af49e5b528566c57609f01 [2021-12-15 08:57:49,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:57:49,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:57:49,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:49,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:57:49,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:57:49,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:49" (1/1) ... [2021-12-15 08:57:49,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61579352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:49, skipping insertion in model container [2021-12-15 08:57:49,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:49" (1/1) ... [2021-12-15 08:57:49,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:57:49,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:57:50,252 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/floppy.i.cil-1.c[76734,76747] [2021-12-15 08:57:50,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:50,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:57:50,709 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/floppy.i.cil-1.c[76734,76747] [2021-12-15 08:57:51,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:51,052 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:57:51,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51 WrapperNode [2021-12-15 08:57:51,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:51,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:51,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:57:51,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:57:51,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,288 INFO L137 Inliner]: procedures = 126, calls = 2874, calls flagged for inlining = 36, calls inlined = 25, statements flattened = 3043 [2021-12-15 08:57:51,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:51,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:57:51,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:57:51,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:57:51,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:57:51,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:57:51,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:57:51,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:57:51,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (1/1) ... [2021-12-15 08:57:51,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:51,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:57:51,549 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 08:57:51,573 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 08:57:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2021-12-15 08:57:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2021-12-15 08:57:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 08:57:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:57:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:57:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 08:57:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:57:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:57:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 08:57:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 08:57:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-12-15 08:57:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-12-15 08:57:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2021-12-15 08:57:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2021-12-15 08:57:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 08:57:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2021-12-15 08:57:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2021-12-15 08:57:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:57:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:57:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2021-12-15 08:57:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2021-12-15 08:57:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:57:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:57:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:57:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:57:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2021-12-15 08:57:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2021-12-15 08:57:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2021-12-15 08:57:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2021-12-15 08:57:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:57:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:57:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2021-12-15 08:57:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2021-12-15 08:57:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2021-12-15 08:57:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2021-12-15 08:57:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:57:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:57:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:57:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:57:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:57:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2021-12-15 08:57:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2021-12-15 08:57:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:57:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:57:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:57:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:57:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2021-12-15 08:57:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2021-12-15 08:57:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 08:57:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:57:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:57:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:57:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:57:52,023 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:57:52,025 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:57:52,071 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,096 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:57:52,097 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:57:52,099 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2021-12-15 08:57:52,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2021-12-15 08:57:52,265 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:57:52,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:57:52,361 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,380 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-12-15 08:57:52,380 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-12-15 08:57:52,381 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,382 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,382 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,458 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-12-15 08:57:52,459 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2021-12-15 08:57:52,459 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2021-12-15 08:57:52,459 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-12-15 08:57:52,477 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-12-15 08:57:52,477 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-12-15 08:57:52,481 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,492 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:52,494 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,020 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-12-15 08:57:53,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-12-15 08:57:53,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume false; [2021-12-15 08:57:53,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume !false; [2021-12-15 08:57:53,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2021-12-15 08:57:53,021 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2021-12-15 08:57:53,041 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:57:53,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:57:53,071 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,072 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,073 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,074 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,074 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,077 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,077 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:53,078 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:56,354 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2021-12-15 08:57:56,354 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume false; [2021-12-15 08:57:56,355 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !false; [2021-12-15 08:57:56,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-12-15 08:57:56,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-12-15 08:57:56,364 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:57:56,379 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:57:56,380 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 08:57:56,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:57:56 BoogieIcfgContainer [2021-12-15 08:57:56,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:57:56,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:57:56,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:57:56,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:57:56,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:57:49" (1/3) ... [2021-12-15 08:57:56,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecaed33 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 08:57:56,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:51" (2/3) ... [2021-12-15 08:57:56,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecaed33 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 08:57:56,392 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 08:57:56,398 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-1.c [2021-12-15 08:57:56,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:57:56,405 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:57:56,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:57:56,467 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 08:57:56,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:57:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 453 states have (on average 1.5011037527593818) internal successors, (680), 486 states have internal predecessors, (680), 90 states have call successors, (90), 19 states have call predecessors, (90), 19 states have return successors, (90), 84 states have call predecessors, (90), 90 states have call successors, (90) [2021-12-15 08:57:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-15 08:57:56,506 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:57:56,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:57:56,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:57:56,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:57:56,511 INFO L85 PathProgramCache]: Analyzing trace with hash -197079634, now seen corresponding path program 1 times [2021-12-15 08:57:56,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:57:56,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093380258] [2021-12-15 08:57:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:57:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:57:56,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:57:56,667 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 08:57:56,672 INFO L158 Benchmark]: Toolchain (without parser) took 7223.98ms. Allocated memory was 92.3MB in the beginning and 352.3MB in the end (delta: 260.0MB). Free memory was 54.1MB in the beginning and 271.8MB in the end (delta: -217.7MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,673 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:57:56,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1603.01ms. Allocated memory was 92.3MB in the beginning and 153.1MB in the end (delta: 60.8MB). Free memory was 54.1MB in the beginning and 74.2MB in the end (delta: -20.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.80ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 87.4MB in the end (delta: -13.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,679 INFO L158 Benchmark]: Boogie Preprocessor took 214.93ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 67.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,680 INFO L158 Benchmark]: RCFGBuilder took 4880.16ms. Allocated memory was 153.1MB in the beginning and 352.3MB in the end (delta: 199.2MB). Free memory was 67.6MB in the beginning and 151.9MB in the end (delta: -84.3MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,681 INFO L158 Benchmark]: TraceAbstraction took 283.78ms. Allocated memory is still 352.3MB. Free memory was 150.8MB in the beginning and 271.8MB in the end (delta: -121.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:56,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1603.01ms. Allocated memory was 92.3MB in the beginning and 153.1MB in the end (delta: 60.8MB). Free memory was 54.1MB in the beginning and 74.2MB in the end (delta: -20.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.80ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 87.4MB in the end (delta: -13.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.93ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 67.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4880.16ms. Allocated memory was 153.1MB in the beginning and 352.3MB in the end (delta: 199.2MB). Free memory was 67.6MB in the beginning and 151.9MB in the end (delta: -84.3MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. * TraceAbstraction took 283.78ms. Allocated memory is still 352.3MB. Free memory was 150.8MB in the beginning and 271.8MB in the end (delta: -121.0MB). 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 08:57:56,716 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/floppy.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 986945cc1d8674c803a19893f7d2aec71de46e5693e78eba56c7bdad24c6e341 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:58,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:58,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:58,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:58,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:58,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:58,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:58,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:58,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:58,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:58,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:58,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:58,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:58,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:58,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:58,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:58,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:58,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:58,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:58,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:58,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:58,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:58,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:58,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:58,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:58,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:58,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:58,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:58,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:58,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:58,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:58,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:58,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:58,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:58,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:58,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:58,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:58,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:58,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:58,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:58,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:58,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:57:58,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:58,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:58,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:58,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:58,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:58,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:58,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:58,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:58,732 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:58,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:58,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:58,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:57:58,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:58,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:58,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:58,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:58,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:57:58,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 986945cc1d8674c803a19893f7d2aec71de46e5693e78eba56c7bdad24c6e341 [2021-12-15 08:57:59,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:59,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:59,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:59,059 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:59,059 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:59,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/floppy.i.cil-1.c [2021-12-15 08:57:59,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f082ccde8/cee476f5f9054a96a27255859c197337/FLAG7aa388369 [2021-12-15 08:57:59,790 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:57:59,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/floppy.i.cil-1.c [2021-12-15 08:57:59,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f082ccde8/cee476f5f9054a96a27255859c197337/FLAG7aa388369 [2021-12-15 08:58:00,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f082ccde8/cee476f5f9054a96a27255859c197337 [2021-12-15 08:58:00,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:58:00,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:58:00,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:58:00,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:58:00,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:58:00,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b82ab8 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 08:58:00,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:58:00,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:58:00,847 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/floppy.i.cil-1.c[76734,76747] [2021-12-15 08:58:01,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:01,339 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 08:58:01,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:58:01,437 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/floppy.i.cil-1.c[76734,76747] [2021-12-15 08:58:01,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:01,700 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:58:01,765 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/floppy.i.cil-1.c[76734,76747] [2021-12-15 08:58:02,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:02,121 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:58:02,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:02 WrapperNode [2021-12-15 08:58:02,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:58:02,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:02,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:58:02,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:58:02,129 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 08:58:02,244 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 08:58:02,355 INFO L137 Inliner]: procedures = 140, calls = 2874, calls flagged for inlining = 36, calls inlined = 25, statements flattened = 2979 [2021-12-15 08:58:02,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:02,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:58:02,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:58:02,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:58:02,364 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 08:58:02,365 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 08:58:02,401 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 08:58:02,402 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 08:58:02,527 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 08:58:02,549 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 08:58:02,574 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 08:58:02,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:58:02,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:58:02,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:58:02,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:58:02,601 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 08:58:02,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:58:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:58:02,628 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 08:58:02,637 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 08:58:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2021-12-15 08:58:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:58:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:58:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:58:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 08:58:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 08:58:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-12-15 08:58:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-12-15 08:58:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2021-12-15 08:58:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2021-12-15 08:58:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2021-12-15 08:58:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2021-12-15 08:58:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 08:58:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:58:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:58:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 08:58:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 08:58:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2021-12-15 08:58:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2021-12-15 08:58:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 08:58:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:58:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:58:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:58:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:58:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2021-12-15 08:58:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2021-12-15 08:58:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2021-12-15 08:58:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2021-12-15 08:58:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:58:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:58:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2021-12-15 08:58:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2021-12-15 08:58:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2021-12-15 08:58:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2021-12-15 08:58:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:58:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:58:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:58:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:58:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 08:58:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 08:58:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 08:58:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:58:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2021-12-15 08:58:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2021-12-15 08:58:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 08:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 08:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 08:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 08:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 08:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:58:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 08:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2021-12-15 08:58:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2021-12-15 08:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:58:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:58:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:58:03,199 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:58:03,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:58:03,278 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:03,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:58:03,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:58:03,304 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:03,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2021-12-15 08:58:03,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2021-12-15 08:58:03,824 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:03,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:58:03,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:58:05,998 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,044 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-12-15 08:58:06,044 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-12-15 08:58:06,045 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,045 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,046 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-12-15 08:58:06,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2021-12-15 08:58:06,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2021-12-15 08:58:06,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-12-15 08:58:06,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-12-15 08:58:06,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-12-15 08:58:06,938 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,943 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,944 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-12-15 08:58:10,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-12-15 08:58:10,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume false; [2021-12-15 08:58:10,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume !false; [2021-12-15 08:58:10,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2021-12-15 08:58:10,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2021-12-15 08:58:10,299 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:58:10,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:58:10,361 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,362 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,365 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,366 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,367 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,391 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,392 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:10,393 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2021-12-15 08:58:15,931 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-12-15 08:58:15,932 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-12-15 08:58:15,941 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:58:15,950 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:58:15,951 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 08:58:15,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:15 BoogieIcfgContainer [2021-12-15 08:58:15,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:58:15,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:58:15,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:58:15,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:58:15,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:58:00" (1/3) ... [2021-12-15 08:58:15,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554e45d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:15, skipping insertion in model container [2021-12-15 08:58:15,958 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 08:58:15,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554e45d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:15, skipping insertion in model container [2021-12-15 08:58:15,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:15" (3/3) ... [2021-12-15 08:58:15,959 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-1.c [2021-12-15 08:58:15,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:58:15,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:58:16,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:58:16,021 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 08:58:16,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:58:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 564 states, 453 states have (on average 1.5011037527593818) internal successors, (680), 486 states have internal predecessors, (680), 90 states have call successors, (90), 19 states have call predecessors, (90), 19 states have return successors, (90), 84 states have call predecessors, (90), 90 states have call successors, (90) [2021-12-15 08:58:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-15 08:58:16,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:58:16,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:58:16,059 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:58:16,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:58:16,063 INFO L85 PathProgramCache]: Analyzing trace with hash -197079634, now seen corresponding path program 1 times [2021-12-15 08:58:16,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:58:16,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257884014] [2021-12-15 08:58:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:58:16,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:58:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:58:16,087 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 08:58:16,117 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 08:58:16,295 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 08:58:16,490 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 08:58:16,491 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 08:58:16,496 INFO L158 Benchmark]: Toolchain (without parser) took 16353.33ms. Allocated memory was 65.0MB in the beginning and 453.0MB in the end (delta: 388.0MB). Free memory was 37.2MB in the beginning and 264.5MB in the end (delta: -227.4MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,497 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:58:16,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1978.17ms. Allocated memory was 65.0MB in the beginning and 121.6MB in the end (delta: 56.6MB). Free memory was 37.0MB in the beginning and 49.0MB in the end (delta: -12.0MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.66ms. Allocated memory is still 121.6MB. Free memory was 49.0MB in the beginning and 52.9MB in the end (delta: -3.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,498 INFO L158 Benchmark]: Boogie Preprocessor took 241.21ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 52.9MB in the beginning and 157.3MB in the end (delta: -104.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,499 INFO L158 Benchmark]: RCFGBuilder took 13353.21ms. Allocated memory was 226.5MB in the beginning and 453.0MB in the end (delta: 226.5MB). Free memory was 157.3MB in the beginning and 290.7MB in the end (delta: -133.4MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,499 INFO L158 Benchmark]: TraceAbstraction took 540.43ms. Allocated memory is still 453.0MB. Free memory was 290.7MB in the beginning and 264.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 08:58:16,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1978.17ms. Allocated memory was 65.0MB in the beginning and 121.6MB in the end (delta: 56.6MB). Free memory was 37.0MB in the beginning and 49.0MB in the end (delta: -12.0MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.66ms. Allocated memory is still 121.6MB. Free memory was 49.0MB in the beginning and 52.9MB in the end (delta: -3.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 241.21ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 52.9MB in the beginning and 157.3MB in the end (delta: -104.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13353.21ms. Allocated memory was 226.5MB in the beginning and 453.0MB in the end (delta: 226.5MB). Free memory was 157.3MB in the beginning and 290.7MB in the end (delta: -133.4MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. * TraceAbstraction took 540.43ms. Allocated memory is still 453.0MB. Free memory was 290.7MB in the beginning and 264.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. 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 08:58:16,549 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