/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 23:59:00,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:59:00,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:59:00,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:59:00,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:59:00,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:59:00,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:59:00,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:59:00,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:59:00,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:59:00,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:59:00,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:59:00,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:59:00,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:59:00,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:59:00,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:59:00,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:59:00,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:59:00,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:59:00,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:59:00,596 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:59:00,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:59:00,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:59:00,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:59:00,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:59:00,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 23:59:00,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:59:00,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:59:00,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:59:00,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-17 23:59:00,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:59:00,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:59:00,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:59:00,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-17 23:59:00,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:59:00,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:59:00,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:59:00,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-17 23:59:00,620 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-17 23:59:00,621 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-17 23:59:00,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:59:00,621 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JODRDAN [2022-03-17 23:59:00,621 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:59:00,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:59:00,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:59:00,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:59:00,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:59:00,782 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:59:00,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-03-17 23:59:00,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937b90139/026f068b7e2146eb8cbc64911f7629a2/FLAGa69b35aaf [2022-03-17 23:59:01,211 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:59:01,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-2.c [2022-03-17 23:59:01,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937b90139/026f068b7e2146eb8cbc64911f7629a2/FLAGa69b35aaf [2022-03-17 23:59:01,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937b90139/026f068b7e2146eb8cbc64911f7629a2 [2022-03-17 23:59:01,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:59:01,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-17 23:59:01,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:59:01,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:59:01,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:59:01,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f6727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01, skipping insertion in model container [2022-03-17 23:59:01,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:59:01,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:59:01,442 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] [2022-03-17 23:59:01,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:59:01,578 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:59:01,587 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] [2022-03-17 23:59:01,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:59:01,632 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:59:01,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01 WrapperNode [2022-03-17 23:59:01,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:59:01,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:59:01,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:59:01,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:59:01,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:59:01,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:59:01,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:59:01,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:59:01,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (1/1) ... [2022-03-17 23:59:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:59:01,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:59:01,736 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) [2022-03-17 23:59:01,749 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 [2022-03-17 23:59:01,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:59:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:59:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:59:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-03-17 23:59:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-03-17 23:59:01,775 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-03-17 23:59:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2022-03-17 23:59:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-03-17 23:59:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2022-03-17 23:59:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-03-17 23:59:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2022-03-17 23:59:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:59:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:59:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:59:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:59:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:59:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:59:01,890 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:59:01,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:59:01,943 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:01,965 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:01,966 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:01,972 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:01,979 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:01,979 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:01,983 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-03-17 23:59:02,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-03-17 23:59:02,122 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,177 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2022-03-17 23:59:02,177 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2022-03-17 23:59:02,187 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,197 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-03-17 23:59:02,197 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-03-17 23:59:02,243 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,251 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,251 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,251 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,256 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,256 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,256 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,262 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,262 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,286 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,303 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-03-17 23:59:02,303 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-03-17 23:59:02,322 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,325 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,326 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,331 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,331 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,331 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:59:02,334 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-03-17 23:59:02,335 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-03-17 23:59:02,341 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:59:02,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:59:02,356 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 23:59:02,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:59:02 BoogieIcfgContainer [2022-03-17 23:59:02,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:59:02,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:59:02,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:59:02,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:59:02,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:59:01" (1/3) ... [2022-03-17 23:59:02,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa177e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:59:02, skipping insertion in model container [2022-03-17 23:59:02,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:59:01" (2/3) ... [2022-03-17 23:59:02,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa177e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:59:02, skipping insertion in model container [2022-03-17 23:59:02,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:59:02" (3/3) ... [2022-03-17 23:59:02,370 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2022-03-17 23:59:02,374 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:59:02,374 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:59:02,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.icfgtransformer.LoopAccelerators.JODRDAN at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.getLoopAccelerationTechnique(TAPreferences.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TaCheckAndRefinementPreferences.(TaCheckAndRefinementPreferences.java:148) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.(BasicCegarLoop.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.createFiniteAutomataCegarLoop(CegarLoopUtils.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.constructCegarLoop(CegarLoopUtils.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-17 23:59:02,410 INFO L158 Benchmark]: Toolchain (without parser) took 1166.19ms. Allocated memory was 185.6MB in the beginning and 314.6MB in the end (delta: 129.0MB). Free memory was 128.5MB in the beginning and 228.1MB in the end (delta: -99.6MB). Peak memory consumption was 28.1MB. Max. memory is 8.0GB. [2022-03-17 23:59:02,411 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 23:59:02,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.80ms. Allocated memory was 185.6MB in the beginning and 314.6MB in the end (delta: 129.0MB). Free memory was 128.3MB in the beginning and 276.8MB in the end (delta: -148.5MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2022-03-17 23:59:02,412 INFO L158 Benchmark]: Boogie Preprocessor took 60.82ms. Allocated memory is still 314.6MB. Free memory was 276.8MB in the beginning and 273.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 23:59:02,412 INFO L158 Benchmark]: RCFGBuilder took 665.60ms. Allocated memory is still 314.6MB. Free memory was 273.7MB in the beginning and 231.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-03-17 23:59:02,413 INFO L158 Benchmark]: TraceAbstraction took 45.33ms. Allocated memory is still 314.6MB. Free memory was 231.7MB in the beginning and 228.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-17 23:59:02,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.80ms. Allocated memory was 185.6MB in the beginning and 314.6MB in the end (delta: 129.0MB). Free memory was 128.3MB in the beginning and 276.8MB in the end (delta: -148.5MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.82ms. Allocated memory is still 314.6MB. Free memory was 276.8MB in the beginning and 273.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 665.60ms. Allocated memory is still 314.6MB. Free memory was 273.7MB in the beginning and 231.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 45.33ms. Allocated memory is still 314.6MB. Free memory was 231.7MB in the beginning and 228.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.icfgtransformer.LoopAccelerators.JODRDAN de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.icfgtransformer.LoopAccelerators.JODRDAN: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-17 23:59:02,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...