/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 02:44:45,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 02:44:45,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 02:44:45,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 02:44:45,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 02:44:45,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 02:44:45,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 02:44:45,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 02:44:45,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 02:44:45,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 02:44:45,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 02:44:45,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 02:44:45,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 02:44:45,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 02:44:45,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 02:44:45,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 02:44:45,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 02:44:45,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 02:44:45,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 02:44:45,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 02:44:45,857 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 02:44:45,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 02:44:45,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 02:44:45,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 02:44:45,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 02:44:45,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-08 02:44:45,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-08 02:44:45,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-08 02:44:45,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-08 02:44:45,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-08 02:44:45,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-08 02:44:45,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 02:44:45,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 02:44:45,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 02:44:45,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 02:44:45,908 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 02:44:45,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 02:44:45,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 02:44:45,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 02:44:45,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 02:44:45,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 02:44:45,911 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 02:44:45,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 02:44:45,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 02:44:45,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 02:44:45,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 02:44:45,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 02:44:45,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 02:44:45,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:44:45,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 02:44:45,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 02:44:45,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 02:44:45,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 02:44:45,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 02:44:45,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 02:44:45,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 02:44:45,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 02:44:45,915 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 02:44:45,915 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 02:44:46,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 02:44:46,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 02:44:46,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 02:44:46,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 02:44:46,142 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 02:44:46,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-04-08 02:44:46,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d87b4bd/c685dc13065749508bfc21a6abddb62f/FLAG2b70d222e [2022-04-08 02:44:46,629 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 02:44:46,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-04-08 02:44:46,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d87b4bd/c685dc13065749508bfc21a6abddb62f/FLAG2b70d222e [2022-04-08 02:44:47,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5d87b4bd/c685dc13065749508bfc21a6abddb62f [2022-04-08 02:44:47,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 02:44:47,008 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 02:44:47,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 02:44:47,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 02:44:47,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 02:44:47,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134374c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47, skipping insertion in model container [2022-04-08 02:44:47,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 02:44:47,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 02:44:47,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2022-04-08 02:44:47,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:44:47,361 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 02:44:47,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c[2713,2726] [2022-04-08 02:44:47,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:44:47,499 INFO L208 MainTranslator]: Completed translation [2022-04-08 02:44:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47 WrapperNode [2022-04-08 02:44:47,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 02:44:47,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 02:44:47,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 02:44:47,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 02:44:47,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 02:44:47,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 02:44:47,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 02:44:47,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 02:44:47,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:44:47" (1/1) ... [2022-04-08 02:44:47,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:44:47,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:44:47,644 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) [2022-04-08 02:44:47,669 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 [2022-04-08 02:44:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 02:44:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 02:44:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 02:44:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-04-08 02:44:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-04-08 02:44:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-04-08 02:44:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-04-08 02:44:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-04-08 02:44:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-04-08 02:44:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-04-08 02:44:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-04-08 02:44:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2022-04-08 02:44:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-04-08 02:44:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-04-08 02:44:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-04-08 02:44:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 02:44:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 02:44:47,907 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 02:44:47,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 02:44:47,968 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,029 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,039 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,039 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,046 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,326 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-04-08 02:44:48,326 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-04-08 02:44:48,328 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,382 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-04-08 02:44:48,382 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-04-08 02:44:48,401 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,424 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-04-08 02:44:48,425 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-04-08 02:44:48,550 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,558 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,559 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,559 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,567 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,568 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,569 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,650 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-04-08 02:44:48,684 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-04-08 02:44:48,712 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,725 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,725 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,726 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,733 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,733 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,733 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 02:44:48,738 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-08 02:44:48,738 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-08 02:44:48,748 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 02:44:48,758 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 02:44:48,758 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 02:44:48,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:44:48 BoogieIcfgContainer [2022-04-08 02:44:48,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 02:44:48,761 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 02:44:48,761 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 02:44:48,762 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 02:44:48,764 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:44:48" (1/1) ... [2022-04-08 02:44:48,765 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 02:44:48,882 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation has thrown an exception: java.lang.AssertionError: The Icfg has been traversed out of order (found return before having found the corresponding call) at de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewReturnTransition(TransformedIcfgBuilder.java:449) at de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewTransition(TransformedIcfgBuilder.java:203) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.lambda$0(IcfgTransformer.java:121) at java.base/java.util.ArrayList.forEach(ArrayList.java:1541) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.processLocations(IcfgTransformer.java:121) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.transform(IcfgTransformer.java:96) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.(IcfgTransformer.java:83) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrIcfgTransformer.(QvasrIcfgTransformer.java:90) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.applyLoopAccelerationQvasr(IcfgTransformationObserver.java:294) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:180) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.processIcfg(IcfgTransformationObserver.java:148) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.process(IcfgTransformationObserver.java:137) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2022-04-08 02:44:48,891 INFO L158 Benchmark]: Toolchain (without parser) took 1881.35ms. Allocated memory was 194.0MB in the beginning and 270.5MB in the end (delta: 76.5MB). Free memory was 133.4MB in the beginning and 161.3MB in the end (delta: -27.8MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-04-08 02:44:48,891 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 02:44:48,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.31ms. Allocated memory was 194.0MB in the beginning and 270.5MB in the end (delta: 76.5MB). Free memory was 133.2MB in the beginning and 228.3MB in the end (delta: -95.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-04-08 02:44:48,893 INFO L158 Benchmark]: Boogie Preprocessor took 103.06ms. Allocated memory is still 270.5MB. Free memory was 228.3MB in the beginning and 224.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-08 02:44:48,894 INFO L158 Benchmark]: RCFGBuilder took 1151.73ms. Allocated memory is still 270.5MB. Free memory was 224.7MB in the beginning and 171.2MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2022-04-08 02:44:48,895 INFO L158 Benchmark]: IcfgTransformer took 127.69ms. Allocated memory is still 270.5MB. Free memory was 170.7MB in the beginning and 161.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-08 02:44:48,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 490.31ms. Allocated memory was 194.0MB in the beginning and 270.5MB in the end (delta: 76.5MB). Free memory was 133.2MB in the beginning and 228.3MB in the end (delta: -95.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.06ms. Allocated memory is still 270.5MB. Free memory was 228.3MB in the beginning and 224.7MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1151.73ms. Allocated memory is still 270.5MB. Free memory was 224.7MB in the beginning and 171.2MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * IcfgTransformer took 127.69ms. Allocated memory is still 270.5MB. Free memory was 170.7MB in the beginning and 161.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: AssertionError: The Icfg has been traversed out of order (found return before having found the corresponding call) de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: AssertionError: The Icfg has been traversed out of order (found return before having found the corresponding call): de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewReturnTransition(TransformedIcfgBuilder.java:449) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-08 02:44:48,940 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...