/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-fb4f59a-m [2022-04-28 01:50:04,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 01:50:04,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 01:50:04,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-28 01:50:04,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-28 01:50:04,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-28 01:50:04,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-28 01:50:04,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-28 01:50:04,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-28 01:50:04,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-28 01:50:04,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-28 01:50:04,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-28 01:50:04,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 01:50:04,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 01:50:04,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 01:50:04,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 01:50:04,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 01:50:04,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 01:50:04,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 01:50:04,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 01:50:04,204 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 01:50:04,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 01:50:04,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 01:50:04,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 01:50:04,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 01:50:04,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-28 01:50:04,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-28 01:50:04,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-28 01:50:04,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-28 01:50:04,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-28 01:50:04,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-28 01:50:04,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 01:50:04,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 01:50:04,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 01:50:04,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-28 01:50:04,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 01:50:04,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 01:50:04,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-28 01:50:04,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-28 01:50:04,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-28 01:50:04,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-28 01:50:04,260 INFO L138 SettingsManager]: * Use SBE=true [2022-04-28 01:50:04,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 01:50:04,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 01:50:04,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 01:50:04,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 01:50:04,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 01:50:04,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 01:50:04,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 01:50:04,262 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 01:50:04,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 01:50:04,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 01:50:04,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 01:50:04,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 01:50:04,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:50:04,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 01:50:04,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-28 01:50:04,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-28 01:50:04,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-28 01:50:04,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-28 01:50:04,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 01:50:04,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-28 01:50:04,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-28 01:50:04,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-28 01:50:04,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 01:50:04,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 01:50:04,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 01:50:04,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 01:50:04,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 01:50:04,530 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 01:50:04,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-04-28 01:50:04,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723754de1/4b0a1dcfdadb45cca28077d804a619bc/FLAG568cc57e7 [2022-04-28 01:50:05,018 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 01:50:05,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-04-28 01:50:05,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723754de1/4b0a1dcfdadb45cca28077d804a619bc/FLAG568cc57e7 [2022-04-28 01:50:05,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723754de1/4b0a1dcfdadb45cca28077d804a619bc [2022-04-28 01:50:05,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 01:50:05,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-28 01:50:05,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 01:50:05,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 01:50:05,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 01:50:05,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439e3040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05, skipping insertion in model container [2022-04-28 01:50:05,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 01:50:05,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 01:50:05,258 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] [2022-04-28 01:50:05,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:50:05,386 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 01:50:05,399 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] [2022-04-28 01:50:05,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:50:05,474 INFO L208 MainTranslator]: Completed translation [2022-04-28 01:50:05,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05 WrapperNode [2022-04-28 01:50:05,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 01:50:05,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 01:50:05,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 01:50:05,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 01:50:05,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 01:50:05,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 01:50:05,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 01:50:05,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 01:50:05,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:50:05" (1/1) ... [2022-04-28 01:50:05,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:50:05,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:50:05,639 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) [2022-04-28 01:50:05,649 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 [2022-04-28 01:50:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 01:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 01:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 01:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-04-28 01:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-04-28 01:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-04-28 01:50:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-04-28 01:50:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-04-28 01:50:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-04-28 01:50:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-04-28 01:50:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-04-28 01:50:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 01:50:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 01:50:05,822 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 01:50:05,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 01:50:05,872 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:05,945 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:05,945 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:05,972 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:05,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:05,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:05,989 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,202 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-04-28 01:50:06,202 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-04-28 01:50:06,204 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,253 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-04-28 01:50:06,253 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-04-28 01:50:06,264 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,277 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-04-28 01:50:06,277 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-04-28 01:50:06,446 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,457 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,465 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,479 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,479 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,543 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,598 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-04-28 01:50:06,598 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-04-28 01:50:06,629 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,646 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,646 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,647 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,658 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,659 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,660 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-28 01:50:06,665 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-04-28 01:50:06,665 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-04-28 01:50:06,684 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 01:50:06,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 01:50:06,705 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 01:50:06,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:50:06 BoogieIcfgContainer [2022-04-28 01:50:06,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 01:50:06,709 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-28 01:50:06,710 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-28 01:50:06,711 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-28 01:50:06,714 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:50:06" (1/1) ... [2022-04-28 01:50:06,716 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-28 01:50:06,839 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) [2022-04-28 01:50:06,849 INFO L158 Benchmark]: Toolchain (without parser) took 1797.16ms. Allocated memory is still 166.7MB. Free memory was 115.7MB in the beginning and 64.7MB in the end (delta: 51.0MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. [2022-04-28 01:50:06,850 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 166.7MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 01:50:06,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 166.7MB. Free memory was 115.5MB in the beginning and 131.7MB in the end (delta: -16.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-28 01:50:06,852 INFO L158 Benchmark]: Boogie Preprocessor took 127.94ms. Allocated memory is still 166.7MB. Free memory was 131.7MB in the beginning and 127.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-28 01:50:06,853 INFO L158 Benchmark]: RCFGBuilder took 1103.77ms. Allocated memory is still 166.7MB. Free memory was 127.6MB in the beginning and 74.7MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-04-28 01:50:06,854 INFO L158 Benchmark]: IcfgTransformer took 137.01ms. Allocated memory is still 166.7MB. Free memory was 74.7MB in the beginning and 64.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-28 01:50:06,857 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 0.17ms. Allocated memory is still 166.7MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 166.7MB. Free memory was 115.5MB in the beginning and 131.7MB in the end (delta: -16.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 127.94ms. Allocated memory is still 166.7MB. Free memory was 131.7MB in the beginning and 127.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1103.77ms. Allocated memory is still 166.7MB. Free memory was 127.6MB in the beginning and 74.7MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * IcfgTransformer took 137.01ms. Allocated memory is still 166.7MB. Free memory was 74.7MB in the beginning and 64.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. 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. [2022-04-28 01:50:06,899 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...