./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 791161d1 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 ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 21:17:07,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 21:17:07,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 21:17:07,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 21:17:07,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 21:17:07,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 21:17:07,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 21:17:07,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 21:17:07,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 21:17:07,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 21:17:07,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 21:17:07,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 21:17:07,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 21:17:07,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 21:17:07,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 21:17:07,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 21:17:07,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 21:17:07,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 21:17:07,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 21:17:07,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 21:17:07,631 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 21:17:07,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 21:17:07,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 21:17:07,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 21:17:07,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 21:17:07,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 21:17:07,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 21:17:07,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 21:17:07,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 21:17:07,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 21:17:07,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 21:17:07,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 21:17:07,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 21:17:07,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 21:17:07,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 21:17:07,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 21:17:07,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 21:17:07,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 21:17:07,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 21:17:07,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 21:17:07,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 21:17:07,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 21:17:07,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 21:17:07,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 21:17:07,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 21:17:07,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 21:17:07,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 21:17:07,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 21:17:07,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 21:17:07,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 21:17:07,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 21:17:07,670 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 21:17:07,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 21:17:07,670 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 21:17:07,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 21:17:07,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 21:17:07,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 21:17:07,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 21:17:07,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 21:17:07,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 21:17:07,672 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 21:17:07,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 21:17:07,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 21:17:07,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 21:17:07,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 21:17:07,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 21:17:07,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 21:17:07,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:17:07,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 21:17:07,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 21:17:07,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 21:17:07,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 21:17:07,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 21:17:07,675 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 21:17:07,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 21:17:07,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 21:17:07,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-07-22 21:17:07,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 21:17:07,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 21:17:07,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 21:17:07,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 21:17:07,896 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 21:17:07,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-07-22 21:17:07,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f551f2614/aea5c3c799c848999b5c4d8a696f4c1b/FLAG41fc54233 [2022-07-22 21:17:08,419 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 21:17:08,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-07-22 21:17:08,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f551f2614/aea5c3c799c848999b5c4d8a696f4c1b/FLAG41fc54233 [2022-07-22 21:17:08,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f551f2614/aea5c3c799c848999b5c4d8a696f4c1b [2022-07-22 21:17:08,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 21:17:08,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 21:17:08,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 21:17:08,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 21:17:08,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 21:17:08,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cb23f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08, skipping insertion in model container [2022-07-22 21:17:08,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 21:17:08,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 21:17:08,638 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 21:17:08,728 WARN L230 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] [2022-07-22 21:17:08,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:17:08,738 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 21:17:08,750 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 21:17:08,774 WARN L230 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] [2022-07-22 21:17:08,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:17:08,815 INFO L208 MainTranslator]: Completed translation [2022-07-22 21:17:08,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08 WrapperNode [2022-07-22 21:17:08,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 21:17:08,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 21:17:08,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 21:17:08,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 21:17:08,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,873 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-07-22 21:17:08,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 21:17:08,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 21:17:08,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 21:17:08,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 21:17:08,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 21:17:08,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 21:17:08,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 21:17:08,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 21:17:08,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:08" (1/1) ... [2022-07-22 21:17:08,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:17:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 21:17:08,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 21:17:08,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 21:17:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 21:17:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-07-22 21:17:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-07-22 21:17:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 21:17:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 21:17:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 21:17:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 21:17:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 21:17:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 21:17:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 21:17:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 21:17:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 21:17:08,980 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 21:17:09,066 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 21:17:09,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 21:17:09,189 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 21:17:09,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 21:17:09,243 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 21:17:09,244 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-07-22 21:17:09,245 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) [2022-07-22 21:17:09,248 INFO L158 Benchmark]: Toolchain (without parser) took 797.04ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 42.9MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 21:17:09,249 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:17:09,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 61.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 21:17:09,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.99ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 21:17:09,250 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 57.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 21:17:09,251 INFO L158 Benchmark]: RCFGBuilder took 336.75ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 42.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 21:17:09,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 61.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.99ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 57.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.75ms. Allocated memory is still 94.4MB. Free memory was 57.9MB in the beginning and 42.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * 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. [2022-07-22 21:17:09,299 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 21:17:11,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 21:17:11,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 21:17:11,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 21:17:11,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 21:17:11,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 21:17:11,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 21:17:11,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 21:17:11,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 21:17:11,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 21:17:11,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 21:17:11,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 21:17:11,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 21:17:11,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 21:17:11,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 21:17:11,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 21:17:11,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 21:17:11,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 21:17:11,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 21:17:11,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 21:17:11,242 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 21:17:11,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 21:17:11,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 21:17:11,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 21:17:11,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 21:17:11,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 21:17:11,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 21:17:11,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 21:17:11,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 21:17:11,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 21:17:11,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 21:17:11,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 21:17:11,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 21:17:11,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 21:17:11,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 21:17:11,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 21:17:11,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 21:17:11,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 21:17:11,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 21:17:11,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 21:17:11,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 21:17:11,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 21:17:11,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 21:17:11,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 21:17:11,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 21:17:11,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 21:17:11,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 21:17:11,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 21:17:11,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 21:17:11,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 21:17:11,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 21:17:11,306 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 21:17:11,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 21:17:11,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 21:17:11,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 21:17:11,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 21:17:11,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 21:17:11,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 21:17:11,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 21:17:11,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 21:17:11,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 21:17:11,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 21:17:11,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 21:17:11,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 21:17:11,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 21:17:11,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 21:17:11,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 21:17:11,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 21:17:11,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 21:17:11,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:17:11,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 21:17:11,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 21:17:11,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 21:17:11,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 21:17:11,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 21:17:11,312 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 21:17:11,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 21:17:11,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 21:17:11,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 21:17:11,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-07-22 21:17:11,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 21:17:11,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 21:17:11,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 21:17:11,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 21:17:11,658 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 21:17:11,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-07-22 21:17:11,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71ac361a/36c37f28a82b41818d16d64652eb7496/FLAG1214c9d1d [2022-07-22 21:17:12,163 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 21:17:12,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-07-22 21:17:12,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71ac361a/36c37f28a82b41818d16d64652eb7496/FLAG1214c9d1d [2022-07-22 21:17:12,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d71ac361a/36c37f28a82b41818d16d64652eb7496 [2022-07-22 21:17:12,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 21:17:12,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 21:17:12,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 21:17:12,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 21:17:12,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 21:17:12,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:12,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@991cc3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12, skipping insertion in model container [2022-07-22 21:17:12,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:12,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 21:17:12,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 21:17:12,687 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 21:17:12,859 WARN L230 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] [2022-07-22 21:17:12,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:17:12,877 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 21:17:12,890 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 21:17:12,910 WARN L230 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] [2022-07-22 21:17:12,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:17:12,943 INFO L208 MainTranslator]: Completed translation [2022-07-22 21:17:12,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12 WrapperNode [2022-07-22 21:17:12,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 21:17:12,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 21:17:12,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 21:17:12,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 21:17:12,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:12,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:12,978 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-07-22 21:17:12,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 21:17:12,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 21:17:12,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 21:17:12,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 21:17:12,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:12,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 21:17:13,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 21:17:13,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 21:17:13,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 21:17:13,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:17:12" (1/1) ... [2022-07-22 21:17:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:17:13,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 21:17:13,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 21:17:13,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 21:17:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 21:17:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-07-22 21:17:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 21:17:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 21:17:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 21:17:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 21:17:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 21:17:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 21:17:13,105 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 21:17:13,288 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 21:17:13,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 21:17:13,487 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 21:17:13,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 21:17:13,567 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 21:17:13,568 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-07-22 21:17:13,569 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) [2022-07-22 21:17:13,576 INFO L158 Benchmark]: Toolchain (without parser) took 1077.63ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.9MB in the beginning and 51.9MB in the end (delta: -7.9MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-07-22 21:17:13,577 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:17:13,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.94ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 38.6MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 21:17:13,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.50ms. Allocated memory is still 65.0MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 21:17:13,579 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:17:13,580 INFO L158 Benchmark]: RCFGBuilder took 542.20ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 51.9MB in the end (delta: -17.1MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-07-22 21:17:13,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.94ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 38.6MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.50ms. Allocated memory is still 65.0MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.20ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 51.9MB in the end (delta: -17.1MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * 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. [2022-07-22 21:17:13,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- 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?