/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/atomic.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 20:01:48,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 20:01:48,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 20:01:48,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 20:01:48,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 20:01:48,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 20:01:48,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 20:01:48,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 20:01:48,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 20:01:48,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 20:01:48,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 20:01:48,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 20:01:48,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 20:01:48,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 20:01:48,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 20:01:48,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 20:01:48,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 20:01:48,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 20:01:48,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 20:01:48,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 20:01:48,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 20:01:48,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 20:01:48,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 20:01:48,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 20:01:48,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-21 20:01:48,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-21 20:01:48,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-21 20:01:48,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-21 20:01:48,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-21 20:01:48,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-21 20:01:48,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-21 20:01:48,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-21 20:01:48,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-21 20:01:48,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-21 20:01:48,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-21 20:01:48,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-21 20:01:48,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-21 20:01:48,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-21 20:01:48,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 20:01:48,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 20:01:48,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 20:01:48,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-05-21 20:01:48,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 20:01:48,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 20:01:48,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 20:01:48,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 20:01:48,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 20:01:48,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 20:01:48,347 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 20:01:48,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 20:01:48,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 20:01:48,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 20:01:48,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 20:01:48,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 20:01:48,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 20:01:48,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 20:01:48,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 20:01:48,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 20:01:48,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 20:01:48,594 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-21 20:01:48,596 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-21 20:01:48,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl [2021-05-21 20:01:48,597 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl' [2021-05-21 20:01:48,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 20:01:48,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-21 20:01:48,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 20:01:48,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 20:01:48,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 20:01:48,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 20:01:48,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 20:01:48,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 20:01:48,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 20:01:48,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (1/1) ... [2021-05-21 20:01:48,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 20:01:48,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 20:01:48,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 20:01:48,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 20:01:48,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:01:48" (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 [2021-05-21 20:01:48,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-05-21 20:01:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-05-21 20:01:48,938 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-05-21 20:01:48,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-21 20:01:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 20:01:48,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 20:01:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-05-21 20:01:48,938 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 20:01:49,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.EqualityInformation.getEqinfo(EqualityInformation.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.XnfDer.derSimple(XnfDer.java:308) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.XnfDer.tryToEliminate_EqInfoBased(XnfDer.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.XnfDer.tryToEliminate(XnfDer.java:101) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.(SequentialComposition.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructSequentialComposition(CodeBlockFactory.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1741) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1648) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-05-21 20:01:49,047 INFO L168 Benchmark]: Toolchain (without parser) took 185.82 ms. Allocated memory is still 333.4 MB. Free memory was 313.7 MB in the beginning and 302.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-05-21 20:01:49,048 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory was 314.7 MB in the beginning and 314.6 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 20:01:49,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.83 ms. Allocated memory is still 333.4 MB. Free memory was 313.6 MB in the beginning and 312.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-05-21 20:01:49,051 INFO L168 Benchmark]: Boogie Preprocessor took 7.80 ms. Allocated memory is still 333.4 MB. Free memory was 312.2 MB in the beginning and 311.4 MB in the end (delta: 808.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 20:01:49,052 INFO L168 Benchmark]: RCFGBuilder took 153.93 ms. Allocated memory is still 333.4 MB. Free memory was 311.3 MB in the beginning and 302.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-05-21 20:01:49,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory was 314.7 MB in the beginning and 314.6 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 16.83 ms. Allocated memory is still 333.4 MB. Free memory was 313.6 MB in the beginning and 312.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 7.80 ms. Allocated memory is still 333.4 MB. Free memory was 312.2 MB in the beginning and 311.4 MB in the end (delta: 808.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 153.93 ms. Allocated memory is still 333.4 MB. Free memory was 311.3 MB in the beginning and 302.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.EqualityInformation.getEqinfo(EqualityInformation.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...