./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/weaver/parallel-barrier.wvr.c -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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:27,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:27,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:27,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:27,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:27,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:27,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:27,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:27,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:27,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:27,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:27,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:27,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:27,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:27,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:27,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:27,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:27,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:27,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:27,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:27,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:27,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:27,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:27,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:27,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:27,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:27,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:27,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:27,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:27,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:27,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:27,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:27,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:27,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:27,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:27,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:27,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:27,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:27,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:27,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:27,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:27,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:28:27,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:27,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:27,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:27,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:27,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:27,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:27,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:27,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:27,483 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:27,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:27,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:27,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:28:27,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:27,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:27,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:27,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:27,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:27,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:27,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:27,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:27,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:27,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:27,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:27,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:28:27,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:28:27,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:27,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:27,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:27,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:27,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-12-15 12:28:27,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:27,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:27,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:27,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:27,744 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:27,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-15 12:28:27,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e01870/3ca9e52cfa3f4d4c9a91f507bead45d1/FLAG6db3e8697 [2021-12-15 12:28:28,114 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:28,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-15 12:28:28,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e01870/3ca9e52cfa3f4d4c9a91f507bead45d1/FLAG6db3e8697 [2021-12-15 12:28:28,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e01870/3ca9e52cfa3f4d4c9a91f507bead45d1 [2021-12-15 12:28:28,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:28,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:28,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:28,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:28,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:28,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a8da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28, skipping insertion in model container [2021-12-15 12:28:28,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:28,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:28,716 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-15 12:28:28,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:28,731 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:28,752 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-15 12:28:28,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:28,766 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:28,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28 WrapperNode [2021-12-15 12:28:28,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:28,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:28,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:28,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:28,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,814 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 253 [2021-12-15 12:28:28,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:28,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:28,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:28,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:28,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:28,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:28,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:28,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:28,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:28" (1/1) ... [2021-12-15 12:28:28,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:28,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:28:28,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-15 12:28:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-15 12:28:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:28:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-15 12:28:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-15 12:28:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-15 12:28:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-15 12:28:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:28,928 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:28:28,991 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:28,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:29,211 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:29,245 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:28:29,249 INFO L158 Benchmark]: Toolchain (without parser) took 721.78ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 56.0MB in the end (delta: 21.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 12:28:29,250 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:29,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.55ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 78.0MB in the end (delta: -388.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:28:29,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.55ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 75.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:29,253 INFO L158 Benchmark]: Boogie Preprocessor took 42.57ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 73.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:29,254 INFO L158 Benchmark]: RCFGBuilder took 389.47ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 56.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:28:29,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.55ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 78.0MB in the end (delta: -388.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.55ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 75.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.57ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 73.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.47ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 56.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:29,287 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/weaver/parallel-barrier.wvr.c -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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:28:31,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:28:31,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:28:31,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:28:31,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:28:31,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:28:31,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:28:31,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:28:31,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:28:31,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:28:31,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:28:31,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:28:31,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:28:31,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:28:31,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:28:31,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:28:31,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:28:31,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:28:31,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:28:31,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:28:31,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:28:31,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:28:31,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:28:31,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:28:31,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:28:31,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:28:31,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:28:31,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:28:31,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:28:31,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:28:31,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:28:31,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:28:31,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:28:31,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:28:31,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:28:31,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:28:31,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:28:31,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:28:31,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:28:31,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:28:31,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:28:31,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:28:31,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:28:31,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:28:31,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:28:31,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:28:31,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:28:31,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:28:31,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:28:31,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:28:31,352 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:28:31,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:28:31,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:28:31,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:28:31,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:31,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:28:31,355 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:28:31,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:28:31,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-12-15 12:28:31,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:28:31,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:28:31,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:28:31,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:28:31,623 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:28:31,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-15 12:28:31,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4b37a8b/0b8737513cdb4595bf034634501b4474/FLAGbe7f8ad78 [2021-12-15 12:28:32,039 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:28:32,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-15 12:28:32,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4b37a8b/0b8737513cdb4595bf034634501b4474/FLAGbe7f8ad78 [2021-12-15 12:28:32,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec4b37a8b/0b8737513cdb4595bf034634501b4474 [2021-12-15 12:28:32,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:28:32,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:28:32,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:32,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:28:32,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:28:32,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b62d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32, skipping insertion in model container [2021-12-15 12:28:32,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:28:32,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:28:32,280 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-15 12:28:32,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:32,297 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:28:32,332 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-15 12:28:32,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:28:32,350 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:28:32,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32 WrapperNode [2021-12-15 12:28:32,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:28:32,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:32,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:28:32,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:28:32,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,396 INFO L137 Inliner]: procedures = 27, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 245 [2021-12-15 12:28:32,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:28:32,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:28:32,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:28:32,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:28:32,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:28:32,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:28:32,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:28:32,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:28:32,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:28:32" (1/1) ... [2021-12-15 12:28:32,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:28:32,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:28:32,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:28:32,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:28:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:28:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:28:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:28:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:28:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:28:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:28:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:28:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:28:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-15 12:28:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-15 12:28:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-15 12:28:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-15 12:28:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-15 12:28:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-15 12:28:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-15 12:28:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-15 12:28:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:28:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:28:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:28:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:28:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:28:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:28:32,529 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:28:32,628 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:28:32,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:28:32,957 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:28:32,978 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:28:32,981 INFO L158 Benchmark]: Toolchain (without parser) took 924.77ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.4MB in the beginning and 27.0MB in the end (delta: -3.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-12-15 12:28:32,982 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:28:32,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.98ms. Allocated memory is still 48.2MB. Free memory was 23.2MB in the beginning and 29.4MB in the end (delta: -6.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-15 12:28:32,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.69ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 27.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:32,983 INFO L158 Benchmark]: Boogie Preprocessor took 43.89ms. Allocated memory is still 48.2MB. Free memory was 27.1MB in the beginning and 25.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:28:32,984 INFO L158 Benchmark]: RCFGBuilder took 537.99ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 27.0MB in the end (delta: -1.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-15 12:28:32,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.98ms. Allocated memory is still 48.2MB. Free memory was 23.2MB in the beginning and 29.4MB in the end (delta: -6.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.69ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 27.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.89ms. Allocated memory is still 48.2MB. Free memory was 27.1MB in the beginning and 25.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.99ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 27.0MB in the end (delta: -1.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:28:33,026 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: Set is immutable