./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe011_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/safe011_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 c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:35,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:35,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:35,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:35,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:35,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:35,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:35,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:35,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:35,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:35,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:35,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:35,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:35,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:35,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:35,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:35,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:35,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:35,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:35,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:35,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:35,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:35,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:35,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:35,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:35,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:35,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:35,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:35,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:35,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:35,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:35,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:35,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:35,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:35,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:35,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:35,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:35,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:35,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:35,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:35,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:35,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:24:35,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:35,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:35,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:35,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:35,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:35,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:35,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:35,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:35,107 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:35,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:35,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:35,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:24:35,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:35,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:35,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:35,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:35,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:35,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:35,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:35,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:35,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:35,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:35,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:35,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:35,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e [2021-12-15 12:24:35,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:35,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:35,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:35,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:35,329 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:35,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.i [2021-12-15 12:24:35,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f74a5/dcdf7585ac09401b93701a250ae4892a/FLAG3d9291c20 [2021-12-15 12:24:35,797 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:35,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2021-12-15 12:24:35,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f74a5/dcdf7585ac09401b93701a250ae4892a/FLAG3d9291c20 [2021-12-15 12:24:35,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f74a5/dcdf7585ac09401b93701a250ae4892a [2021-12-15 12:24:35,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:35,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:35,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:35,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:35,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:35,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:35" (1/1) ... [2021-12-15 12:24:35,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24487d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:35, skipping insertion in model container [2021-12-15 12:24:35,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:35" (1/1) ... [2021-12-15 12:24:35,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:35,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:36,033 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/safe011_tso.i[945,958] [2021-12-15 12:24:36,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:36,150 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:36,161 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-wmm/safe011_tso.i[945,958] [2021-12-15 12:24:36,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:36,222 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:36,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36 WrapperNode [2021-12-15 12:24:36,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:36,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:36,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:36,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:36,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,276 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-15 12:24:36,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:36,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:36,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:36,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:36,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:36,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:36,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:36,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:36,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (1/1) ... [2021-12-15 12:24:36,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:36,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:36,348 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 12:24:36,355 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 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:24:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:24:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:24:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:36,380 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 12:24:36,506 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:36,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:36,634 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:36,639 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:24:36,639 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:24:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:36 BoogieIcfgContainer [2021-12-15 12:24:36,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:24:36,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:24:36,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:24:36,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:24:36,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:24:35" (1/3) ... [2021-12-15 12:24:36,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e42f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:36, skipping insertion in model container [2021-12-15 12:24:36,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:36" (2/3) ... [2021-12-15 12:24:36,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e42f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:36, skipping insertion in model container [2021-12-15 12:24:36,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:36" (3/3) ... [2021-12-15 12:24:36,646 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2021-12-15 12:24:36,649 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:24:36,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:24:36,649 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:24:36,649 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:24:36,672 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,673 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,674 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,674 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,674 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,675 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,675 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,676 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,676 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,677 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,677 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,679 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,682 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,682 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,683 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,683 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:36,687 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 12:24:36,695 INFO L158 Benchmark]: Toolchain (without parser) took 865.78ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 61.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,696 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:36,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.90ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.6MB in the end (delta: 7.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,698 INFO L158 Benchmark]: Boogie Preprocessor took 36.08ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,699 INFO L158 Benchmark]: RCFGBuilder took 327.32ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 66.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,700 INFO L158 Benchmark]: TraceAbstraction took 51.19ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 61.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:36,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.90ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.6MB in the end (delta: 7.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.08ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.32ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 66.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 51.19ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 61.3MB in the end (delta: 4.4MB). 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 12:24:36,744 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-wmm/safe011_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 c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:38,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:38,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:38,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:38,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:38,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:38,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:38,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:38,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:38,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:38,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:38,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:38,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:38,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:38,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:38,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:38,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:38,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:38,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:38,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:38,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:38,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:38,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:38,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:38,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:38,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:38,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:38,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:38,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:38,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:38,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:38,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:38,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:38,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:38,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:38,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:38,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:38,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:38,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:38,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:38,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:38,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:24:38,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:38,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:38,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:38,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:38,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:38,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:38,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:38,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:38,521 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:38,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:38,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:38,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:38,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:38,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:38,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:38,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:38,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:38,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:38,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:38,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:38,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:24:38,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e [2021-12-15 12:24:38,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:38,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:38,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:38,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:38,817 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:38,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.i [2021-12-15 12:24:38,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7caedd1/480c82f201f64470b3ee08f3e0d90753/FLAG4c6b19237 [2021-12-15 12:24:39,288 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:39,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2021-12-15 12:24:39,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7caedd1/480c82f201f64470b3ee08f3e0d90753/FLAG4c6b19237 [2021-12-15 12:24:39,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd7caedd1/480c82f201f64470b3ee08f3e0d90753 [2021-12-15 12:24:39,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:39,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:39,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:39,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:39,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:39,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee2e3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39, skipping insertion in model container [2021-12-15 12:24:39,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:39,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:39,467 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/safe011_tso.i[945,958] [2021-12-15 12:24:39,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:39,650 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:39,672 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/safe011_tso.i[945,958] [2021-12-15 12:24:39,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:39,718 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:39,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39 WrapperNode [2021-12-15 12:24:39,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:39,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:39,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:39,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:39,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,767 INFO L137 Inliner]: procedures = 179, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2021-12-15 12:24:39,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:39,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:39,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:39,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:39,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:39,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:39,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:39,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:39,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (1/1) ... [2021-12-15 12:24:39,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:39,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:39,832 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 12:24:39,853 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 12:24:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:24:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:24:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:24:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:24:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:39,867 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 12:24:39,985 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:39,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:40,132 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:40,137 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:24:40,137 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:24:40,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:40 BoogieIcfgContainer [2021-12-15 12:24:40,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:24:40,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:24:40,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:24:40,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:24:40,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:24:39" (1/3) ... [2021-12-15 12:24:40,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af5957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:40, skipping insertion in model container [2021-12-15 12:24:40,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:39" (2/3) ... [2021-12-15 12:24:40,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af5957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:40, skipping insertion in model container [2021-12-15 12:24:40,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:40" (3/3) ... [2021-12-15 12:24:40,144 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2021-12-15 12:24:40,148 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:24:40,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:24:40,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:24:40,149 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:24:40,180 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,181 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,181 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,181 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,181 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,181 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,182 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,182 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,182 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,186 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,186 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,191 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,192 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,192 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,193 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,194 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,195 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,196 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:40,197 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 12:24:40,200 INFO L158 Benchmark]: Toolchain (without parser) took 889.90ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 42.5MB in the end (delta: -8.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-15 12:24:40,202 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:40,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.42ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 46.7MB in the end (delta: -13.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-15 12:24:40,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 44.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:40,203 INFO L158 Benchmark]: Boogie Preprocessor took 34.63ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 43.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:40,204 INFO L158 Benchmark]: RCFGBuilder took 335.38ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 47.7MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:24:40,204 INFO L158 Benchmark]: TraceAbstraction took 59.40ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 42.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:40,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.42ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 46.7MB in the end (delta: -13.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 44.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.63ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 43.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.38ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 47.7MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 59.40ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 42.5MB 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 12:24:40,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable