/usr/bin/java -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-05ce600 [2022-02-24 00:30:02,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 00:30:02,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 00:30:02,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 00:30:02,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 00:30:02,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 00:30:02,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 00:30:02,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 00:30:02,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 00:30:02,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 00:30:02,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 00:30:02,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 00:30:02,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 00:30:02,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 00:30:02,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 00:30:02,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 00:30:02,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 00:30:02,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 00:30:02,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 00:30:02,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 00:30:02,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 00:30:02,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 00:30:02,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 00:30:02,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 00:30:02,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-24 00:30:02,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-24 00:30:02,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-24 00:30:02,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-24 00:30:02,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-24 00:30:02,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-24 00:30:02,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 00:30:02,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 00:30:02,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 00:30:02,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-02-24 00:30:02,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 00:30:02,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 00:30:02,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-24 00:30:02,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-24 00:30:02,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-24 00:30:02,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-24 00:30:02,249 INFO L138 SettingsManager]: * Use SBE=true [2022-02-24 00:30:02,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 00:30:02,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 00:30:02,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 00:30:02,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 00:30:02,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 00:30:02,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:30:02,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-24 00:30:02,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-24 00:30:02,253 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-24 00:30:02,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 00:30:02,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 00:30:02,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 00:30:02,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 00:30:02,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 00:30:02,471 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 00:30:02,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-02-24 00:30:02,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe107bd/f5bf3d3c723e4e04b7669dea40ffdb34/FLAG990fa689f [2022-02-24 00:30:03,026 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 00:30:03,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-02-24 00:30:03,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe107bd/f5bf3d3c723e4e04b7669dea40ffdb34/FLAG990fa689f [2022-02-24 00:30:03,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe107bd/f5bf3d3c723e4e04b7669dea40ffdb34 [2022-02-24 00:30:03,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 00:30:03,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-24 00:30:03,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 00:30:03,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 00:30:03,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 00:30:03,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:03,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f37420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03, skipping insertion in model container [2022-02-24 00:30:03,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:03,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 00:30:03,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 00:30:03,777 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] [2022-02-24 00:30:03,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:30:03,876 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 00:30:03,888 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] [2022-02-24 00:30:03,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:30:03,948 INFO L208 MainTranslator]: Completed translation [2022-02-24 00:30:03,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03 WrapperNode [2022-02-24 00:30:03,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 00:30:03,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 00:30:03,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 00:30:03,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 00:30:03,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:03,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:03,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:03,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:04,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:04,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:04,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:04,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 00:30:04,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 00:30:04,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 00:30:04,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 00:30:04,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:03" (1/1) ... [2022-02-24 00:30:04,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:30:04,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:30:04,096 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) [2022-02-24 00:30:04,105 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 [2022-02-24 00:30:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 00:30:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 00:30:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 00:30:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-02-24 00:30:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-02-24 00:30:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-02-24 00:30:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-02-24 00:30:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-02-24 00:30:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-02-24 00:30:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-02-24 00:30:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-02-24 00:30:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-02-24 00:30:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-02-24 00:30:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 00:30:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-02-24 00:30:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2022-02-24 00:30:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 00:30:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 00:30:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 00:30:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 00:30:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 00:30:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 00:30:04,362 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 00:30:04,363 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 00:30:04,387 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,415 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,426 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-02-24 00:30:04,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-02-24 00:30:04,556 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,598 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-02-24 00:30:04,598 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-02-24 00:30:04,608 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,621 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-02-24 00:30:04,621 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-02-24 00:30:04,691 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,698 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,698 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,698 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,704 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,704 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,704 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,711 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,711 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,752 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,792 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-02-24 00:30:04,793 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-02-24 00:30:04,846 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,851 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,851 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,851 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,857 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,857 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,857 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:30:04,862 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-02-24 00:30:04,862 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-02-24 00:30:04,875 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 00:30:04,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 00:30:04,899 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 00:30:04,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:30:04 BoogieIcfgContainer [2022-02-24 00:30:04,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 00:30:04,901 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-24 00:30:04,901 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-24 00:30:04,903 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-24 00:30:04,906 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:30:04" (1/1) ... [2022-02-24 00:30:04,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewReturnTransition(TransformedIcfgBuilder.java:455) 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:89) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.applyLoopAccelerationQvasr(IcfgTransformationObserver.java:295) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:179) 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) [2022-02-24 00:30:04,955 INFO L158 Benchmark]: Toolchain (without parser) took 1396.88ms. Allocated memory was 173.0MB in the beginning and 220.2MB in the end (delta: 47.2MB). Free memory was 114.1MB in the beginning and 134.9MB in the end (delta: -20.8MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. [2022-02-24 00:30:04,956 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 173.0MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 00:30:04,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.80ms. Allocated memory was 173.0MB in the beginning and 220.2MB in the end (delta: 47.2MB). Free memory was 114.0MB in the beginning and 183.1MB in the end (delta: -69.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-24 00:30:04,958 INFO L158 Benchmark]: Boogie Preprocessor took 98.62ms. Allocated memory is still 220.2MB. Free memory was 183.1MB in the beginning and 179.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-24 00:30:04,958 INFO L158 Benchmark]: RCFGBuilder took 851.83ms. Allocated memory is still 220.2MB. Free memory was 179.4MB in the beginning and 139.1MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-02-24 00:30:04,959 INFO L158 Benchmark]: IcfgTransformer took 49.80ms. Allocated memory is still 220.2MB. Free memory was 139.1MB in the beginning and 134.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-24 00:30:04,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 173.0MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 392.80ms. Allocated memory was 173.0MB in the beginning and 220.2MB in the end (delta: 47.2MB). Free memory was 114.0MB in the beginning and 183.1MB in the end (delta: -69.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.62ms. Allocated memory is still 220.2MB. Free memory was 183.1MB in the beginning and 179.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 851.83ms. Allocated memory is still 220.2MB. Free memory was 179.4MB in the beginning and 139.1MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 49.80ms. Allocated memory is still 220.2MB. Free memory was 139.1MB in the beginning and 134.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: NullPointerException: null: de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewReturnTransition(TransformedIcfgBuilder.java:455) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-24 00:30:05,003 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...