./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 96f16385 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 .................................................................................................................................................................................................... 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 ........................................................................................................................................................................................................ 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 0.2.0-96f1638 [2020-12-02 11:43:52,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 11:43:52,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 11:43:53,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 11:43:53,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 11:43:53,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 11:43:53,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 11:43:53,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 11:43:53,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 11:43:53,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 11:43:53,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 11:43:53,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 11:43:53,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 11:43:53,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 11:43:53,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 11:43:53,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 11:43:53,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 11:43:53,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 11:43:53,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 11:43:53,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 11:43:53,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 11:43:53,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 11:43:53,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 11:43:53,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 11:43:53,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 11:43:53,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 11:43:53,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 11:43:53,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 11:43:53,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 11:43:53,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 11:43:53,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 11:43:53,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 11:43:53,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 11:43:53,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 11:43:53,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 11:43:53,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 11:43:53,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 11:43:53,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 11:43:53,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 11:43:53,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 11:43:53,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 11:43:53,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 11:43:53,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 11:43:53,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 11:43:53,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 11:43:53,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 11:43:53,196 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 11:43:53,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 11:43:53,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 11:43:53,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 11:43:53,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 11:43:53,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 11:43:53,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 11:43:53,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 11:43:53,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 11:43:53,200 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 11:43:53,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 11:43:53,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 11:43:53,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 11:43:53,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 11:43:53,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 11:43:53,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 11:43:53,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 11:43:53,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:43:53,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 11:43:53,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 11:43:53,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 11:43:53,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 11:43:53,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 11:43:53,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 11:43:53,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 11:43:53,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-12-02 11:43:53,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 11:43:53,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 11:43:53,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 11:43:53,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 11:43:53,669 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 11:43:53,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-12-02 11:43:53,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4cf2e5/8b83c020c6394fab96181fb2df3fdd9c/FLAG165599e80 [2020-12-02 11:43:54,411 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 11:43:54,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-12-02 11:43:54,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4cf2e5/8b83c020c6394fab96181fb2df3fdd9c/FLAG165599e80 [2020-12-02 11:43:54,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb4cf2e5/8b83c020c6394fab96181fb2df3fdd9c [2020-12-02 11:43:54,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 11:43:54,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 11:43:54,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 11:43:54,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 11:43:54,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 11:43:54,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:54" (1/1) ... [2020-12-02 11:43:54,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:54, skipping insertion in model container [2020-12-02 11:43:54,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:54" (1/1) ... [2020-12-02 11:43:54,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 11:43:54,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 11:43:55,183 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 11:43:55,354 WARN L226 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] [2020-12-02 11:43:55,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:43:55,371 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 11:43:55,389 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 11:43:55,420 WARN L226 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] [2020-12-02 11:43:55,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:43:55,532 INFO L208 MainTranslator]: Completed translation [2020-12-02 11:43:55,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55 WrapperNode [2020-12-02 11:43:55,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 11:43:55,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 11:43:55,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 11:43:55,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 11:43:55,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 11:43:55,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 11:43:55,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 11:43:55,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 11:43:55,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... [2020-12-02 11:43:55,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 11:43:55,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 11:43:55,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 11:43:55,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 11:43:55,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:43:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 11:43:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-02 11:43:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-02 11:43:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 11:43:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-02 11:43:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 11:43:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 11:43:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 11:43:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-02 11:43:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 11:43:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 11:43:55,790 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 11:43:56,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 11:43:56,626 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-02 11:43:56,627 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-12-02 11:43:56,628 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:301) 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) [2020-12-02 11:43:56,635 INFO L168 Benchmark]: Toolchain (without parser) took 1845.89 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 41.1 MB in the beginning and 40.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 11:43:56,636 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 46.1 MB. Free memory is still 24.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:43:56,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.82 ms. Allocated memory is still 56.6 MB. Free memory was 41.0 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-12-02 11:43:56,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.32 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:43:56,639 INFO L168 Benchmark]: Boogie Preprocessor took 61.24 ms. Allocated memory is still 56.6 MB. Free memory was 36.1 MB in the beginning and 34.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:43:56,641 INFO L168 Benchmark]: RCFGBuilder took 940.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.7 MB in the beginning and 40.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:43:56,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 46.1 MB. Free memory is still 24.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 738.82 ms. Allocated memory is still 56.6 MB. Free memory was 41.0 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.32 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.24 ms. Allocated memory is still 56.6 MB. Free memory was 36.1 MB in the beginning and 34.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 940.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.7 MB in the beginning and 40.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.1 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-96f1638 [2020-12-02 11:43:59,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 11:43:59,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 11:43:59,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 11:43:59,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 11:43:59,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 11:43:59,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 11:43:59,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 11:43:59,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 11:43:59,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 11:43:59,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 11:43:59,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 11:43:59,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 11:43:59,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 11:43:59,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 11:43:59,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 11:43:59,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 11:43:59,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 11:43:59,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 11:43:59,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 11:43:59,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 11:43:59,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 11:43:59,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 11:43:59,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 11:43:59,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 11:43:59,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 11:43:59,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 11:43:59,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 11:43:59,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 11:43:59,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 11:43:59,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 11:43:59,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 11:43:59,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 11:43:59,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 11:43:59,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 11:43:59,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 11:43:59,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 11:43:59,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 11:43:59,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 11:43:59,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 11:43:59,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 11:43:59,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 11:43:59,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 11:43:59,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 11:43:59,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 11:43:59,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 11:43:59,346 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 11:43:59,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 11:43:59,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 11:43:59,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 11:43:59,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 11:43:59,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 11:43:59,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 11:43:59,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 11:43:59,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 11:43:59,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 11:43:59,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 11:43:59,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 11:43:59,350 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 11:43:59,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 11:43:59,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 11:43:59,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 11:43:59,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 11:43:59,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 11:43:59,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:43:59,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 11:43:59,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 11:43:59,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 11:43:59,353 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 11:43:59,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 11:43:59,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 11:43:59,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 11:43:59,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 11:43:59,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-12-02 11:43:59,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 11:43:59,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 11:43:59,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 11:43:59,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 11:43:59,757 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 11:43:59,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-12-02 11:43:59,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988fcaf05/e4c25828fa3d472e92002988df494dbe/FLAG479c96741 [2020-12-02 11:44:00,562 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 11:44:00,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-12-02 11:44:00,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988fcaf05/e4c25828fa3d472e92002988df494dbe/FLAG479c96741 [2020-12-02 11:44:00,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988fcaf05/e4c25828fa3d472e92002988df494dbe [2020-12-02 11:44:00,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 11:44:00,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 11:44:00,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 11:44:00,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 11:44:00,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 11:44:00,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:00" (1/1) ... [2020-12-02 11:44:00,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd1a8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:00, skipping insertion in model container [2020-12-02 11:44:00,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:00" (1/1) ... [2020-12-02 11:44:00,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 11:44:00,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 11:44:01,179 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 11:44:01,399 WARN L226 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] [2020-12-02 11:44:01,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:44:01,441 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 11:44:01,459 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-02 11:44:01,494 WARN L226 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] [2020-12-02 11:44:01,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:44:01,602 INFO L208 MainTranslator]: Completed translation [2020-12-02 11:44:01,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01 WrapperNode [2020-12-02 11:44:01,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 11:44:01,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 11:44:01,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 11:44:01,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 11:44:01,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 11:44:01,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 11:44:01,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 11:44:01,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 11:44:01,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... [2020-12-02 11:44:01,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 11:44:01,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 11:44:01,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 11:44:01,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 11:44:01,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:44:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 11:44:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-02 11:44:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-02 11:44:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-02 11:44:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 11:44:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 11:44:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 11:44:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 11:44:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-02 11:44:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-02 11:44:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 11:44:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 11:44:01,849 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 11:44:02,771 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 11:44:02,771 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-02 11:44:02,772 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-12-02 11:44:02,773 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:301) 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) [2020-12-02 11:44:02,779 INFO L168 Benchmark]: Toolchain (without parser) took 1904.97 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.6 MB in the beginning and 29.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:02,780 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:44:02,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.26 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:02,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.03 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 34.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:02,784 INFO L168 Benchmark]: Boogie Preprocessor took 45.94 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 33.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:02,786 INFO L168 Benchmark]: RCFGBuilder took 1055.26 ms. Allocated memory is still 58.7 MB. Free memory was 33.1 MB in the beginning and 29.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-02 11:44:02,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.26 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.03 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 34.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.94 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 33.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1055.26 ms. Allocated memory is still 58.7 MB. Free memory was 33.1 MB in the beginning and 29.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 13.9 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...