./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/01b_inc.i --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/pthread-ext/01b_inc.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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:21:39,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:21:39,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:21:39,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:21:39,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:21:39,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:21:39,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:21:39,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:21:39,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:21:39,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:21:39,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:21:39,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:21:39,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:21:39,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:21:39,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:21:39,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:21:39,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:21:39,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:21:39,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:21:39,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:21:39,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:21:39,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:21:39,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:21:39,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:21:39,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:21:39,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:21:39,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:21:39,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:21:39,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:21:39,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:21:39,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:21:39,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:21:39,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:21:39,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:21:39,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:21:39,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:21:39,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:21:39,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:21:39,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:21:39,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:21:39,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:21:39,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:21:39,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:21:39,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:21:39,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:21:39,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:21:39,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:21:39,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:21:39,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:21:39,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:21:39,612 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:21:39,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:21:39,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:21:39,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:21:39,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:21:39,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:21:39,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:21:39,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:21:39,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:21:39,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:21:39,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:21:39,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:21:39,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:21:39,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:21:39,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:21:39,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:21:39,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:39,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:21:39,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:21:39,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:21:39,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:21:39,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2021-12-15 12:21:39,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:21:39,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:21:39,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:21:39,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:21:39,864 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:21:39,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/01b_inc.i [2021-12-15 12:21:39,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ebd6b/960271a760884328a774cb5f166a3ee1/FLAGa464fe48b [2021-12-15 12:21:40,337 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:21:40,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/01b_inc.i [2021-12-15 12:21:40,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ebd6b/960271a760884328a774cb5f166a3ee1/FLAGa464fe48b [2021-12-15 12:21:40,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ebd6b/960271a760884328a774cb5f166a3ee1 [2021-12-15 12:21:40,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:21:40,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:21:40,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:40,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:21:40,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:21:40,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b7604c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40, skipping insertion in model container [2021-12-15 12:21:40,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:21:40,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:21:40,517 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:21:40,594 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/01b_inc.i[31005,31018] [2021-12-15 12:21:40,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:40,608 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:21:40,634 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:21:40,652 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/01b_inc.i[31005,31018] [2021-12-15 12:21:40,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:40,686 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:21:40,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40 WrapperNode [2021-12-15 12:21:40,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:40,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:40,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:21:40,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:21:40,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,733 INFO L137 Inliner]: procedures = 173, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 62 [2021-12-15 12:21:40,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:40,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:21:40,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:21:40,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:21:40,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:21:40,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:21:40,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:21:40,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:21:40,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:40" (1/1) ... [2021-12-15 12:21:40,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:40,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:21:40,801 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 12:21:40,812 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 12:21:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:21:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:21:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:21:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:21:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:21:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:21:40,849 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 12:21:41,006 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:21:41,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:21:41,155 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:21:41,182 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 12:21:41,190 INFO L158 Benchmark]: Toolchain (without parser) took 831.36ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 44.2MB in the beginning and 77.6MB in the end (delta: -33.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-15 12:21:41,190 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:21:41,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.91ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 70.1MB in the end (delta: -26.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-15 12:21:41,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:41,193 INFO L158 Benchmark]: Boogie Preprocessor took 40.46ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 66.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:41,193 INFO L158 Benchmark]: RCFGBuilder took 411.97ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 78.1MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:21:41,198 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 86.0MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.91ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 70.1MB in the end (delta: -26.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.46ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 66.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.97ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 78.1MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. 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 12:21:41,230 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/01b_inc.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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:21:42,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:21:42,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:21:42,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:21:42,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:21:42,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:21:42,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:21:42,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:21:42,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:21:42,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:21:42,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:21:42,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:21:42,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:21:42,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:21:42,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:21:42,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:21:42,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:21:42,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:21:42,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:21:42,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:21:42,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:21:42,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:21:42,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:21:42,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:21:42,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:21:42,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:21:42,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:21:42,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:21:42,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:21:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:21:42,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:21:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:21:42,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:21:42,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:21:42,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:21:42,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:21:42,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:21:42,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:21:42,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:21:42,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:21:42,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:21:42,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:21:42,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:21:42,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:21:42,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:21:42,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:21:42,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:21:42,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:21:42,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:21:42,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:21:42,968 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:21:42,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:21:42,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:21:42,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:21:42,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:21:42,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:21:42,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:21:42,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:21:42,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:21:42,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:21:42,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:21:42,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:21:42,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:42,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:21:42,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:21:42,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:21:42,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:21:42,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:21:42,972 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:21:42,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:21:42,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:21:42,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:21:42,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:21:42,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2021-12-15 12:21:43,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:21:43,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:21:43,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:21:43,264 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:21:43,265 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:21:43,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/01b_inc.i [2021-12-15 12:21:43,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2471ec09/05b941fdadb24b26843d005de29cd6e0/FLAGd9478ccd0 [2021-12-15 12:21:43,739 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:21:43,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/01b_inc.i [2021-12-15 12:21:43,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2471ec09/05b941fdadb24b26843d005de29cd6e0/FLAGd9478ccd0 [2021-12-15 12:21:43,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2471ec09/05b941fdadb24b26843d005de29cd6e0 [2021-12-15 12:21:43,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:21:43,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:21:43,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:43,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:21:43,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:21:43,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:43" (1/1) ... [2021-12-15 12:21:43,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5abbc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:43, skipping insertion in model container [2021-12-15 12:21:43,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:21:43" (1/1) ... [2021-12-15 12:21:43,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:21:43,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:21:44,009 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:21:44,113 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/01b_inc.i[31005,31018] [2021-12-15 12:21:44,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:44,126 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:21:44,144 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:21:44,161 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/01b_inc.i[31005,31018] [2021-12-15 12:21:44,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:21:44,190 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:21:44,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44 WrapperNode [2021-12-15 12:21:44,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:21:44,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:44,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:21:44,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:21:44,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,238 INFO L137 Inliner]: procedures = 176, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 63 [2021-12-15 12:21:44,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:21:44,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:21:44,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:21:44,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:21:44,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:21:44,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:21:44,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:21:44,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:21:44,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:21:44" (1/1) ... [2021-12-15 12:21:44,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:21:44,321 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 12:21:44,340 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 12:21:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:21:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:21:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:21:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:21:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:21:44,359 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 12:21:44,487 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:21:44,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:21:44,647 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:21:44,673 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 12:21:44,678 INFO L158 Benchmark]: Toolchain (without parser) took 906.93ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 34.1MB in the beginning and 48.2MB in the end (delta: -14.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-15 12:21:44,679 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:21:44,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.10ms. Allocated memory is still 56.6MB. Free memory was 34.0MB in the beginning and 29.3MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:21:44,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.75ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 27.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:44,681 INFO L158 Benchmark]: Boogie Preprocessor took 59.90ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 27.3MB in the beginning and 60.1MB in the end (delta: -32.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-12-15 12:21:44,681 INFO L158 Benchmark]: RCFGBuilder took 376.41ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 48.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:21:44,687 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 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.10ms. Allocated memory is still 56.6MB. Free memory was 34.0MB in the beginning and 29.3MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.75ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 27.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.90ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 27.3MB in the beginning and 60.1MB in the end (delta: -32.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.41ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 48.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. 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 12:21:44,719 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable