./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe024_tso.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-wmm/safe024_tso.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 f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:25:04,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:25:04,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:25:04,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:25:04,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:25:04,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:25:04,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:25:04,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:25:04,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:25:04,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:25:04,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:25:04,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:25:04,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:25:04,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:25:04,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:25:04,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:25:04,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:25:04,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:25:04,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:25:04,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:25:04,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:25:04,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:25:04,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:25:04,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:25:04,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:25:04,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:25:04,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:25:04,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:25:04,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:25:04,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:25:04,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:25:04,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:25:04,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:25:04,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:25:04,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:25:04,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:25:04,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:25:04,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:25:04,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:25:04,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:25:04,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:25:04,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:25:04,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:25:04,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:25:04,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:25:04,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:25:04,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:25:04,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:25:04,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:25:04,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:25:04,648 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:25:04,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:25:04,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:25:04,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:25:04,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:25:04,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:25:04,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:25:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:25:04,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:25:04,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:25:04,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:25:04,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:04,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:25:04,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:25:04,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:25:04,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:25:04,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 [2021-12-15 12:25:04,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:25:04,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:25:04,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:25:04,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:25:04,887 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:25:04,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe024_tso.i [2021-12-15 12:25:04,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe6981d/2f290b0a73cf4549bec5441c6f5299c3/FLAG86fdf2755 [2021-12-15 12:25:05,365 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:25:05,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe024_tso.i [2021-12-15 12:25:05,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe6981d/2f290b0a73cf4549bec5441c6f5299c3/FLAG86fdf2755 [2021-12-15 12:25:05,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabe6981d/2f290b0a73cf4549bec5441c6f5299c3 [2021-12-15 12:25:05,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:25:05,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:25:05,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:05,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:25:05,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:25:05,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365cc000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05, skipping insertion in model container [2021-12-15 12:25:05,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:25:05,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:25:05,588 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-wmm/safe024_tso.i[945,958] [2021-12-15 12:25:05,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:05,737 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:25:05,747 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-wmm/safe024_tso.i[945,958] [2021-12-15 12:25:05,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:05,797 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:25:05,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05 WrapperNode [2021-12-15 12:25:05,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:05,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:05,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:25:05,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:25:05,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,849 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2021-12-15 12:25:05,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:05,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:25:05,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:25:05,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:25:05,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:25:05,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:25:05,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:25:05,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:25:05,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (1/1) ... [2021-12-15 12:25:05,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:05,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:25:05,927 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 12:25:05,932 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 12:25:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:25:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:25:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:25:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:25:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:25:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:25:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:25:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:25:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:25:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:25:05,972 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 12:25:06,086 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:25:06,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:25:06,206 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:25:06,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:25:06,211 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:25:06,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:06 BoogieIcfgContainer [2021-12-15 12:25:06,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:25:06,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:25:06,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:25:06,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:25:06,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:25:05" (1/3) ... [2021-12-15 12:25:06,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b216a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:06, skipping insertion in model container [2021-12-15 12:25:06,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:05" (2/3) ... [2021-12-15 12:25:06,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b216a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:06, skipping insertion in model container [2021-12-15 12:25:06,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:06" (3/3) ... [2021-12-15 12:25:06,219 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_tso.i [2021-12-15 12:25:06,222 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:25:06,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:25:06,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:25:06,223 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:25:06,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,260 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,263 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,265 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:06,265 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 12:25:06,268 INFO L158 Benchmark]: Toolchain (without parser) took 874.87ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 70.5MB in the end (delta: 20.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,269 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:06,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.53ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 91.4MB in the end (delta: -897.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.84ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,270 INFO L158 Benchmark]: Boogie Preprocessor took 40.60ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,270 INFO L158 Benchmark]: RCFGBuilder took 321.03ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 75.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,271 INFO L158 Benchmark]: TraceAbstraction took 53.51ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 70.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:06,273 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 75.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.53ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 91.4MB in the end (delta: -897.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.84ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.60ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.03ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 75.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 53.51ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 70.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:25:06,300 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 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-wmm/safe024_tso.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 f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:25:07,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:25:07,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:25:07,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:25:07,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:25:07,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:25:07,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:25:07,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:25:07,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:25:07,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:25:07,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:25:07,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:25:07,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:25:07,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:25:07,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:25:07,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:25:07,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:25:07,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:25:07,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:25:07,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:25:07,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:25:07,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:25:07,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:25:07,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:25:07,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:25:07,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:25:07,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:25:07,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:25:07,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:25:07,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:25:07,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:25:08,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:25:08,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:25:08,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:25:08,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:25:08,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:25:08,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:25:08,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:25:08,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:25:08,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:25:08,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:25:08,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:25:08,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:25:08,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:25:08,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:25:08,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:25:08,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:25:08,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:25:08,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:25:08,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:25:08,032 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:25:08,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:25:08,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:25:08,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:25:08,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:25:08,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:25:08,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:25:08,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:25:08,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:25:08,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:25:08,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:25:08,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:25:08,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:08,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:25:08,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:25:08,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:25:08,045 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:25:08,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:25:08,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:25:08,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:25:08,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:25:08,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:25:08,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:25:08,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f830c559346dfed293d38cb3f451f57bf45496349320c2696ae4150a4c0c44e9 [2021-12-15 12:25:08,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:25:08,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:25:08,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:25:08,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:25:08,282 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:25:08,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe024_tso.i [2021-12-15 12:25:08,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f116ad77d/f61aab2d11254072801fb82e2a10fdad/FLAG5252edd56 [2021-12-15 12:25:08,813 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:25:08,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe024_tso.i [2021-12-15 12:25:08,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f116ad77d/f61aab2d11254072801fb82e2a10fdad/FLAG5252edd56 [2021-12-15 12:25:08,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f116ad77d/f61aab2d11254072801fb82e2a10fdad [2021-12-15 12:25:08,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:25:08,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:25:08,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:08,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:25:08,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:25:08,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:08" (1/1) ... [2021-12-15 12:25:08,849 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 12:25:08, skipping insertion in model container [2021-12-15 12:25:08,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:08" (1/1) ... [2021-12-15 12:25:08,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:25:08,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:25:08,976 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-wmm/safe024_tso.i[945,958] [2021-12-15 12:25:09,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:09,147 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:25:09,158 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-wmm/safe024_tso.i[945,958] [2021-12-15 12:25:09,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:09,216 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:25:09,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09 WrapperNode [2021-12-15 12:25:09,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:09,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:09,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:25:09,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:25:09,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,268 INFO L137 Inliner]: procedures = 179, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-12-15 12:25:09,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:09,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:25:09,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:25:09,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:25:09,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:25:09,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:25:09,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:25:09,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:25:09,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (1/1) ... [2021-12-15 12:25:09,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:09,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:25:09,358 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 12:25:09,364 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 12:25:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:25:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:25:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:25:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:25:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:25:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:25:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:25:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:25:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:25:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:25:09,387 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 12:25:09,517 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:25:09,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:25:09,678 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:25:09,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:25:09,684 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:25:09,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:09 BoogieIcfgContainer [2021-12-15 12:25:09,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:25:09,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:25:09,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:25:09,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:25:09,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:25:08" (1/3) ... [2021-12-15 12:25:09,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efcc9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:09, skipping insertion in model container [2021-12-15 12:25:09,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:09" (2/3) ... [2021-12-15 12:25:09,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efcc9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:09, skipping insertion in model container [2021-12-15 12:25:09,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:09" (3/3) ... [2021-12-15 12:25:09,691 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_tso.i [2021-12-15 12:25:09,694 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:25:09,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:25:09,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:25:09,695 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:25:09,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,726 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,726 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,728 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,728 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,730 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,730 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,731 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,732 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,733 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,734 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,734 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,734 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,735 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:09,737 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 12:25:09,742 INFO L158 Benchmark]: Toolchain (without parser) took 896.32ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 42.0MB in the beginning and 62.4MB in the end (delta: -20.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,743 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:09,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.66ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 35.9MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.70ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 33.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,745 INFO L158 Benchmark]: Boogie Preprocessor took 47.54ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 32.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,746 INFO L158 Benchmark]: RCFGBuilder took 367.43ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 32.0MB in the beginning and 67.8MB in the end (delta: -35.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,746 INFO L158 Benchmark]: TraceAbstraction took 52.86ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 62.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:09,752 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 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.66ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 35.9MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.70ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 33.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.54ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 32.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.43ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 32.0MB in the beginning and 67.8MB in the end (delta: -35.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 52.86ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 62.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:25:09,786 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