./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.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 ce64fcfa63b9df647c320ea90e20b624e2dad5b9ca256083b6d2f56c3177560a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:21:58,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:21:58,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:21:59,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:21:59,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:21:59,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:21:59,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:21:59,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:21:59,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:21:59,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:21:59,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:21:59,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:21:59,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:21:59,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:21:59,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:21:59,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:21:59,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:21:59,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:21:59,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:21:59,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:21:59,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:21:59,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:21:59,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:21:59,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:21:59,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:21:59,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:21:59,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:21:59,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:21:59,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:21:59,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:21:59,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:21:59,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:21:59,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:21:59,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:21:59,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:21:59,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:21:59,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:21:59,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:21:59,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:21:59,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:21:59,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:21:59,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:21:59,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:21:59,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:21:59,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:21:59,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:21:59,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:21:59,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:21:59,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:21:59,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:21:59,064 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:21:59,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:21:59,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:21:59,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:21:59,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:21:59,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:21:59,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:21:59,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:21:59,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:21:59,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:21:59,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:21:59,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:21:59,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:21:59,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:21:59,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:21:59,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:21:59,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:21:59,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:21:59,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:21:59,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:21:59,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:21:59,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce64fcfa63b9df647c320ea90e20b624e2dad5b9ca256083b6d2f56c3177560a [2021-12-15 12:21:59,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:21:59,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:21:59,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:21:59,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:21:59,318 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:21:59,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i [2021-12-15 12:21:59,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3f09b24/d42736f617014f81877a51bacdadf2b0/FLAG0d1eebe80 [2021-12-15 12:21:59,836 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:21:59,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i [2021-12-15 12:21:59,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3f09b24/d42736f617014f81877a51bacdadf2b0/FLAG0d1eebe80 [2021-12-15 12:22:00,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3f09b24/d42736f617014f81877a51bacdadf2b0 [2021-12-15 12:22:00,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:00,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:00,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:00,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:00,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:00,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd9374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00, skipping insertion in model container [2021-12-15 12:22:00,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:00,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:00,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i[30297,30310] [2021-12-15 12:22:00,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:00,555 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:00,590 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-ext/27_Boop_simple_vf.i[30297,30310] [2021-12-15 12:22:00,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:00,636 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:00,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00 WrapperNode [2021-12-15 12:22:00,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:00,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:00,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:00,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:00,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,694 INFO L137 Inliner]: procedures = 170, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2021-12-15 12:22:00,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:00,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:00,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:00,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:00,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:00,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:00,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:00,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:00,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (1/1) ... [2021-12-15 12:22:00,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:00,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:00,772 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 12:22:00,774 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 12:22:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-12-15 12:22:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-12-15 12:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:22:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:00,803 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 12:22:00,947 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:00,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:01,094 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:01,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:22:01,100 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:22:01,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:01 BoogieIcfgContainer [2021-12-15 12:22:01,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:22:01,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:22:01,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:22:01,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:22:01,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:22:00" (1/3) ... [2021-12-15 12:22:01,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5a5669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:22:01, skipping insertion in model container [2021-12-15 12:22:01,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:00" (2/3) ... [2021-12-15 12:22:01,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5a5669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:22:01, skipping insertion in model container [2021-12-15 12:22:01,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:01" (3/3) ... [2021-12-15 12:22:01,113 INFO L111 eAbstractionObserver]: Analyzing ICFG 27_Boop_simple_vf.i [2021-12-15 12:22:01,117 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:22:01,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:22:01,118 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:22:01,118 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:22:01,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,149 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,149 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,150 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,150 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,151 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,151 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,152 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,152 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,152 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,153 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,153 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,153 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,154 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,155 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,156 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,157 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,158 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,159 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,160 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,165 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,166 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:01,169 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 12:22:01,178 INFO L158 Benchmark]: Toolchain (without parser) took 991.10ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 52.2MB in the end (delta: 20.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,180 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:01,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.46ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 73.6MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.54ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,183 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,183 INFO L158 Benchmark]: RCFGBuilder took 359.03ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 58.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,184 INFO L158 Benchmark]: TraceAbstraction took 72.89ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 52.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:01,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.46ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 73.6MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.54ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.03ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 58.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 72.89ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 52.2MB in the end (delta: 5.7MB). 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 12:22:01,230 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-ext/27_Boop_simple_vf.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 ce64fcfa63b9df647c320ea90e20b624e2dad5b9ca256083b6d2f56c3177560a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:03,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:03,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:03,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:03,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:03,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:03,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:03,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:03,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:03,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:03,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:03,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:03,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:03,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:03,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:03,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:03,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:03,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:03,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:03,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:03,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:03,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:03,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:03,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:03,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:03,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:03,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:03,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:03,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:03,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:03,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:03,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:03,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:03,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:03,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:03,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:03,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:03,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:03,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:03,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:03,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:03,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:03,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:03,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:03,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:03,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:03,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:03,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:03,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:03,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:03,339 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:03,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:03,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:03,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:03,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:03,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:03,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:03,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:03,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:03,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:03,342 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:03,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:03,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:03,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:03,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:03,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:03,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:03,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:03,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:03,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:03,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:03,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:03,344 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:03,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:03,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:03,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:03,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:03,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:03,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:03,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce64fcfa63b9df647c320ea90e20b624e2dad5b9ca256083b6d2f56c3177560a [2021-12-15 12:22:03,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:03,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:03,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:03,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:03,694 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:03,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i [2021-12-15 12:22:03,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9e9f2d5/fd54e9e33d2943d19322a5bb519a67a5/FLAG5daf31fec [2021-12-15 12:22:04,302 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:04,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i [2021-12-15 12:22:04,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9e9f2d5/fd54e9e33d2943d19322a5bb519a67a5/FLAG5daf31fec [2021-12-15 12:22:04,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9e9f2d5/fd54e9e33d2943d19322a5bb519a67a5 [2021-12-15 12:22:04,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:04,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:04,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:04,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:04,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:04,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:04" (1/1) ... [2021-12-15 12:22:04,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fdd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:04, skipping insertion in model container [2021-12-15 12:22:04,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:04" (1/1) ... [2021-12-15 12:22:04,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:04,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:05,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i[30297,30310] [2021-12-15 12:22:05,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:05,219 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:05,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/27_Boop_simple_vf.i[30297,30310] [2021-12-15 12:22:05,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:05,295 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:05,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05 WrapperNode [2021-12-15 12:22:05,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:05,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:05,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:05,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:05,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,357 INFO L137 Inliner]: procedures = 173, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2021-12-15 12:22:05,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:05,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:05,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:05,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:05,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:05,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:05,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:05,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:05,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (1/1) ... [2021-12-15 12:22:05,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:05,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:05,449 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 12:22:05,461 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 12:22:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-12-15 12:22:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-12-15 12:22:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:22:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:22:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:05,491 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 12:22:05,641 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:05,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:05,804 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:05,811 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:22:05,812 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-15 12:22:05,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:05 BoogieIcfgContainer [2021-12-15 12:22:05,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:22:05,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:22:05,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:22:05,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:22:05,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:22:04" (1/3) ... [2021-12-15 12:22:05,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56aa0d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:22:05, skipping insertion in model container [2021-12-15 12:22:05,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:05" (2/3) ... [2021-12-15 12:22:05,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56aa0d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:22:05, skipping insertion in model container [2021-12-15 12:22:05,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:05" (3/3) ... [2021-12-15 12:22:05,821 INFO L111 eAbstractionObserver]: Analyzing ICFG 27_Boop_simple_vf.i [2021-12-15 12:22:05,825 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:22:05,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:22:05,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:22:05,826 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:22:05,857 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,857 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,857 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,858 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,858 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,858 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,858 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,859 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,859 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,859 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,860 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,860 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,861 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,861 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,861 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,862 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~rval~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_~count~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:22:05,879 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 12:22:05,884 INFO L158 Benchmark]: Toolchain (without parser) took 1126.11ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.7MB in the beginning and 38.9MB in the end (delta: -16.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,884 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:05,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.67ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.6MB in the beginning and 31.9MB in the end (delta: -9.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,886 INFO L158 Benchmark]: Boogie Preprocessor took 60.17ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 41.9MB in the end (delta: -12.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,887 INFO L158 Benchmark]: RCFGBuilder took 393.65ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 30.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,887 INFO L158 Benchmark]: TraceAbstraction took 66.79ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 38.9MB in the end (delta: -9.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:05,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.67ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.6MB in the beginning and 31.9MB in the end (delta: -9.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.17ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 41.9MB in the end (delta: -12.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 393.65ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 30.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 66.79ms. Allocated memory is still 58.7MB. Free memory was 29.8MB in the beginning and 38.9MB in the end (delta: -9.1MB). Peak memory consumption was 8.1MB. 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 12:22:05,918 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