./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee 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Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee 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Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:27:18,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:27:18,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:27:18,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:27:18,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:27:18,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:27:18,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:27:18,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:27:18,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:27:18,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:27:18,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:27:18,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:27:18,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:27:18,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:27:18,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:27:18,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:27:18,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:27:18,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:27:18,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:27:18,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:27:18,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:27:18,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:27:18,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:27:18,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:27:18,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:27:18,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:27:18,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:27:18,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:27:18,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:27:18,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:27:18,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:27:18,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:27:18,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:27:18,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:27:18,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:27:18,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:27:18,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:27:18,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:27:18,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:27:18,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:27:18,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:27:18,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:27:18,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:27:18,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:27:18,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:27:18,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:27:18,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:27:18,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:27:18,677 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:27:18,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:27:18,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:27:18,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:27:18,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:27:18,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:27:18,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:27:18,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:27:18,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:27:18,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:27:18,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:27:18,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:27:18,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:27:18,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:27:18,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2021-09-22 14:27:18,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:27:18,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:27:18,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:27:18,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:27:18,950 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:27:18,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-09-22 14:27:18,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f69de57/28108ad88ff84741948936d1b7d15546/FLAG1b00af43d [2021-09-22 14:27:19,398 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:27:19,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-09-22 14:27:19,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f69de57/28108ad88ff84741948936d1b7d15546/FLAG1b00af43d [2021-09-22 14:27:19,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f69de57/28108ad88ff84741948936d1b7d15546 [2021-09-22 14:27:19,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:27:19,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:27:19,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:27:19,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:27:19,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:27:19,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:27:19" (1/1) ... [2021-09-22 14:27:19,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c03297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:19, skipping insertion in model container [2021-09-22 14:27:19,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:27:19" (1/1) ... [2021-09-22 14:27:19,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:27:19,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:27:20,074 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-09-22 14:27:20,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-09-22 14:27:20,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:27:20,218 INFO L203 MainTranslator]: Completed pre-run [2021-09-22 14:27:20,231 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-09-22 14:27:20,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-09-22 14:27:20,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:27:20,283 INFO L208 MainTranslator]: Completed translation [2021-09-22 14:27:20,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20 WrapperNode [2021-09-22 14:27:20,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:27:20,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-22 14:27:20,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-22 14:27:20,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-22 14:27:20,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-22 14:27:20,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-22 14:27:20,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-22 14:27:20,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-22 14:27:20,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-22 14:27:20,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-22 14:27:20,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-22 14:27:20,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-22 14:27:20,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:20" (1/1) ... [2021-09-22 14:27:20,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:27:20,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-22 14:27:20,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-22 14:27:20,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-22 14:27:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-09-22 14:27:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-22 14:27:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-22 14:27:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-09-22 14:27:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-22 14:27:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-22 14:27:20,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-09-22 14:27:20,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-22 14:27:20,799 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-09-22 14:27:20,799 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-09-22 14:27:20,800 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2021-09-22 14:27:20,803 INFO L168 Benchmark]: Toolchain (without parser) took 1016.27 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 40.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:20,804 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:27:20,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.94 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 41.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:20,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 67.1 MB. Free memory was 41.2 MB in the beginning and 39.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:20,805 INFO L168 Benchmark]: Boogie Preprocessor took 32.00 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 37.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:20,806 INFO L168 Benchmark]: RCFGBuilder took 438.36 ms. Allocated memory is still 67.1 MB. Free memory was 37.9 MB in the beginning and 40.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:20,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.94 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 41.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 67.1 MB. Free memory was 41.2 MB in the beginning and 39.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.00 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 37.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 438.36 ms. Allocated memory is still 67.1 MB. Free memory was 37.9 MB in the beginning and 40.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-22 14:27:20,859 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:27:22,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:27:22,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:27:22,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:27:22,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:27:22,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:27:22,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:27:22,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:27:22,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:27:22,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:27:22,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:27:22,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:27:22,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:27:22,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:27:22,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:27:22,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:27:22,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:27:22,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:27:22,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:27:22,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:27:22,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:27:22,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:27:22,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:27:22,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:27:22,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:27:22,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:27:22,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:27:22,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:27:22,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:27:22,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:27:22,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:27:22,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:27:22,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:27:22,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:27:22,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:27:22,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:27:22,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:27:22,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:27:22,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:27:22,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:27:22,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:27:22,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:27:22,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:27:22,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:27:22,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:27:22,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:27:22,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:27:22,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:27:22,321 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:27:22,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:27:22,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:27:22,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:27:22,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:27:22,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:27:22,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:27:22,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:27:22,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:27:22,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:27:22,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:27:22,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:27:22,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:27:22,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:27:22,325 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2021-09-22 14:27:22,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:27:22,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:27:22,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:27:22,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:27:22,546 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:27:22,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-09-22 14:27:22,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b383c8e/2427fc65110c4b6f9e62a775cc657371/FLAG8002d6942 [2021-09-22 14:27:22,968 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:27:22,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-09-22 14:27:22,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b383c8e/2427fc65110c4b6f9e62a775cc657371/FLAG8002d6942 [2021-09-22 14:27:22,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b383c8e/2427fc65110c4b6f9e62a775cc657371 [2021-09-22 14:27:22,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:27:22,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:27:23,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:27:23,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:27:23,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:27:23,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:27:22" (1/1) ... [2021-09-22 14:27:23,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3830b6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23, skipping insertion in model container [2021-09-22 14:27:23,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:27:22" (1/1) ... [2021-09-22 14:27:23,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:27:23,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:27:23,165 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-09-22 14:27:23,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-09-22 14:27:23,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:27:23,289 INFO L203 MainTranslator]: Completed pre-run [2021-09-22 14:27:23,304 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-09-22 14:27:23,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-09-22 14:27:23,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:27:23,358 INFO L208 MainTranslator]: Completed translation [2021-09-22 14:27:23,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23 WrapperNode [2021-09-22 14:27:23,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:27:23,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-22 14:27:23,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-22 14:27:23,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-22 14:27:23,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-22 14:27:23,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-22 14:27:23,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-22 14:27:23,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-22 14:27:23,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-22 14:27:23,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-22 14:27:23,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-22 14:27:23,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-22 14:27:23,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:27:23" (1/1) ... [2021-09-22 14:27:23,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:27:23,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-22 14:27:23,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-22 14:27:23,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-22 14:27:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-09-22 14:27:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-09-22 14:27:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-09-22 14:27:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-09-22 14:27:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-22 14:27:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-22 14:27:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-09-22 14:27:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-09-22 14:27:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-09-22 14:27:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-09-22 14:27:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-22 14:27:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-22 14:27:23,551 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-09-22 14:27:23,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-22 14:27:23,899 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-09-22 14:27:23,900 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-09-22 14:27:23,901 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2021-09-22 14:27:23,904 INFO L168 Benchmark]: Toolchain (without parser) took 906.44 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 46.9 MB in the beginning and 74.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:23,904 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 67.1 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:27:23,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.67 ms. Allocated memory is still 67.1 MB. Free memory was 46.7 MB in the beginning and 40.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:23,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.43 ms. Allocated memory is still 67.1 MB. Free memory was 40.4 MB in the beginning and 38.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:27:23,906 INFO L168 Benchmark]: Boogie Preprocessor took 45.01 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 36.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:23,906 INFO L168 Benchmark]: RCFGBuilder took 447.86 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 36.8 MB in the beginning and 74.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-09-22 14:27:23,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 67.1 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.67 ms. Allocated memory is still 67.1 MB. Free memory was 46.7 MB in the beginning and 40.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.43 ms. Allocated memory is still 67.1 MB. Free memory was 40.4 MB in the beginning and 38.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.01 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 36.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 447.86 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 36.8 MB in the beginning and 74.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-22 14:27:23,934 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...