./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-deagle/reorder_c11_bad-50.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-deagle/reorder_c11_bad-50.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 3fef2534d7e571caae7ed965d7471ed1f22fea3d397b160035401f5a41da921e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:29:45,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:29:45,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:29:45,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:29:45,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:29:45,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:29:45,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:29:45,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:29:45,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:29:45,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:29:45,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:29:45,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:29:45,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:29:45,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:29:45,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:29:45,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:29:45,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:29:45,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:29:45,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:29:45,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:29:45,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:29:45,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:29:45,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:29:45,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:29:45,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:29:45,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:29:45,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:29:45,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:29:45,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:29:45,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:29:45,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:29:45,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:29:45,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:29:45,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:29:45,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:29:45,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:29:45,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:29:45,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:29:45,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:29:45,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:29:45,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:29:45,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:29:45,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:29:45,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:29:45,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:29:45,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:29:45,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:29:45,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:29:45,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:29:45,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:29:45,628 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:29:45,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:29:45,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:29:45,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:29:45,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:29:45,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:29:45,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:29:45,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:29:45,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:29:45,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:29:45,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:45,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:29:45,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:29:45,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:29:45,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:29:45,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:29:45,632 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:29:45,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:29:45,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:29:45,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:29:45,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fef2534d7e571caae7ed965d7471ed1f22fea3d397b160035401f5a41da921e [2021-12-15 12:29:45,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:29:45,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:29:45,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:29:45,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:29:45,841 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:29:45,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/reorder_c11_bad-50.i [2021-12-15 12:29:45,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab989460/f96a624999744c229eef49e399100ab2/FLAG976d16358 [2021-12-15 12:29:46,359 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:29:46,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_bad-50.i [2021-12-15 12:29:46,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab989460/f96a624999744c229eef49e399100ab2/FLAG976d16358 [2021-12-15 12:29:46,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab989460/f96a624999744c229eef49e399100ab2 [2021-12-15 12:29:46,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:29:46,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:29:46,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:46,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:29:46,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:29:46,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:46" (1/1) ... [2021-12-15 12:29:46,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a11feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:46, skipping insertion in model container [2021-12-15 12:29:46,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:46" (1/1) ... [2021-12-15 12:29:46,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:29:46,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:29:47,107 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-deagle/reorder_c11_bad-50.i[30190,30203] [2021-12-15 12:29:47,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:47,127 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:29:47,162 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-deagle/reorder_c11_bad-50.i[30190,30203] [2021-12-15 12:29:47,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:47,204 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:29:47,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47 WrapperNode [2021-12-15 12:29:47,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:47,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:47,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:29:47,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:29:47,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,249 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2021-12-15 12:29:47,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:47,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:29:47,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:29:47,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:29:47,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:29:47,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:29:47,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:29:47,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:29:47,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (1/1) ... [2021-12-15 12:29:47,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:29:47,311 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 12:29:47,317 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 12:29:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:29:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2021-12-15 12:29:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2021-12-15 12:29:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:29:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:29:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2021-12-15 12:29:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:29:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:29:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:29:47,364 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 12:29:47,477 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:29:47,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:29:47,593 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:29:47,597 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:29:47,597 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 12:29:47,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:47 BoogieIcfgContainer [2021-12-15 12:29:47,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:29:47,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:29:47,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:29:47,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:29:47,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:29:46" (1/3) ... [2021-12-15 12:29:47,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6035a274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:29:47, skipping insertion in model container [2021-12-15 12:29:47,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:47" (2/3) ... [2021-12-15 12:29:47,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6035a274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:29:47, skipping insertion in model container [2021-12-15 12:29:47,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:47" (3/3) ... [2021-12-15 12:29:47,605 INFO L111 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-50.i [2021-12-15 12:29:47,608 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:29:47,608 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:29:47,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:29:47,608 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:29:47,638 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,639 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,639 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,639 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,639 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,639 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,640 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,640 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,643 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,643 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,644 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,644 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,644 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,644 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,644 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,645 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,645 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,645 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,645 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,646 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,646 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,646 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,647 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,647 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:47,648 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 12:29:47,655 INFO L158 Benchmark]: Toolchain (without parser) took 785.99ms. Allocated memory is still 107.0MB. Free memory was 65.7MB in the beginning and 52.5MB in the end (delta: 13.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,656 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:29:47,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.89ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 72.8MB in the end (delta: -7.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.99ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,658 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 69.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,659 INFO L158 Benchmark]: RCFGBuilder took 329.34ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,659 INFO L158 Benchmark]: TraceAbstraction took 53.14ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 52.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:29:47,665 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 107.0MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.89ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 72.8MB in the end (delta: -7.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.99ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 69.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.34ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 53.14ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 52.5MB in the end (delta: 3.9MB). 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 12:29:47,696 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-deagle/reorder_c11_bad-50.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 3fef2534d7e571caae7ed965d7471ed1f22fea3d397b160035401f5a41da921e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:29:49,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:29:49,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:29:49,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:29:49,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:29:49,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:29:49,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:29:49,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:29:49,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:29:49,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:29:49,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:29:49,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:29:49,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:29:49,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:29:49,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:29:49,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:29:49,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:29:49,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:29:49,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:29:49,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:29:49,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:29:49,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:29:49,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:29:49,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:29:49,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:29:49,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:29:49,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:29:49,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:29:49,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:29:49,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:29:49,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:29:49,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:29:49,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:29:49,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:29:49,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:29:49,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:29:49,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:29:49,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:29:49,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:29:49,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:29:49,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:29:49,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:29:49,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:29:49,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:29:49,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:29:49,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:29:49,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:29:49,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:29:49,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:29:49,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:29:49,423 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:29:49,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:29:49,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:29:49,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:29:49,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:29:49,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:29:49,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:29:49,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:29:49,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:29:49,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:29:49,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:29:49,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:49,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:29:49,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:29:49,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:29:49,433 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:29:49,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:29:49,434 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:29:49,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:29:49,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:29:49,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:29:49,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:29:49,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fef2534d7e571caae7ed965d7471ed1f22fea3d397b160035401f5a41da921e [2021-12-15 12:29:49,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:29:49,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:29:49,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:29:49,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:29:49,701 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:29:49,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/reorder_c11_bad-50.i [2021-12-15 12:29:49,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f0efd7c/79a6b0cf53564044aace2e17500b2094/FLAG1d0f84aa1 [2021-12-15 12:29:50,222 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:29:50,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-deagle/reorder_c11_bad-50.i [2021-12-15 12:29:50,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f0efd7c/79a6b0cf53564044aace2e17500b2094/FLAG1d0f84aa1 [2021-12-15 12:29:50,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f0efd7c/79a6b0cf53564044aace2e17500b2094 [2021-12-15 12:29:50,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:29:50,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:29:50,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:50,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:29:50,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:29:50,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff57957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50, skipping insertion in model container [2021-12-15 12:29:50,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:29:50,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:29:50,590 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-deagle/reorder_c11_bad-50.i[30190,30203] [2021-12-15 12:29:50,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:50,622 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:29:50,644 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-deagle/reorder_c11_bad-50.i[30190,30203] [2021-12-15 12:29:50,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:29:50,682 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:29:50,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50 WrapperNode [2021-12-15 12:29:50,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:29:50,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:50,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:29:50,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:29:50,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,733 INFO L137 Inliner]: procedures = 166, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2021-12-15 12:29:50,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:29:50,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:29:50,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:29:50,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:29:50,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:29:50,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:29:50,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:29:50,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:29:50,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (1/1) ... [2021-12-15 12:29:50,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:29:50,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:29:50,803 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 12:29:50,834 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 12:29:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:29:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2021-12-15 12:29:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2021-12-15 12:29:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:29:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:29:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:29:50,862 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 12:29:50,939 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:29:50,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:29:51,105 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:29:51,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:29:51,110 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 12:29:51,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:51 BoogieIcfgContainer [2021-12-15 12:29:51,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:29:51,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:29:51,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:29:51,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:29:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:29:50" (1/3) ... [2021-12-15 12:29:51,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657efcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:29:51, skipping insertion in model container [2021-12-15 12:29:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:50" (2/3) ... [2021-12-15 12:29:51,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657efcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:29:51, skipping insertion in model container [2021-12-15 12:29:51,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:51" (3/3) ... [2021-12-15 12:29:51,116 INFO L111 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-50.i [2021-12-15 12:29:51,119 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:29:51,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:29:51,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:29:51,120 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:29:51,166 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,167 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,168 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,168 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,168 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,168 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,169 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,169 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,169 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,169 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,169 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,170 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,170 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,170 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,170 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,170 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,171 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,171 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,171 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:29:51,172 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 12:29:51,179 INFO L158 Benchmark]: Toolchain (without parser) took 922.31ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.3MB in the beginning and 47.5MB in the end (delta: -11.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,180 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:29:51,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.48ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 31.8MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.92ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 29.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,182 INFO L158 Benchmark]: Boogie Preprocessor took 45.58ms. Allocated memory is still 58.7MB. Free memory was 29.6MB in the beginning and 27.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,183 INFO L158 Benchmark]: RCFGBuilder took 330.99ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.8MB in the beginning and 52.0MB in the end (delta: -24.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,183 INFO L158 Benchmark]: TraceAbstraction took 64.21ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 47.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:29:51,189 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 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.48ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 31.8MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.92ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 29.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.58ms. Allocated memory is still 58.7MB. Free memory was 29.6MB in the beginning and 27.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.99ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.8MB in the beginning and 52.0MB in the end (delta: -24.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * TraceAbstraction took 64.21ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 47.5MB in the end (delta: 3.9MB). 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 12:29:51,225 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