/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 00:36:23,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 00:36:23,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 00:36:23,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 00:36:23,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 00:36:23,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 00:36:23,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 00:36:23,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 00:36:23,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 00:36:23,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 00:36:23,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 00:36:23,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 00:36:23,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 00:36:23,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 00:36:23,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 00:36:23,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 00:36:23,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 00:36:23,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 00:36:23,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 00:36:23,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 00:36:23,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 00:36:23,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 00:36:23,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 00:36:23,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 00:36:23,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 00:36:23,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 00:36:23,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 00:36:23,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 00:36:23,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-16 00:36:23,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 00:36:23,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 00:36:23,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 00:36:23,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 00:36:23,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 00:36:23,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 00:36:23,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 00:36:23,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 00:36:23,649 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 00:36:23,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 00:36:23,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 00:36:23,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:36:23,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 00:36:23,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-16 00:36:23,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 00:36:23,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 00:36:23,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 00:36:23,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 00:36:23,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 00:36:23,885 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 00:36:23,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl [2022-02-16 00:36:23,886 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl' [2022-02-16 00:36:23,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 00:36:23,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 00:36:23,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 00:36:23,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 00:36:23,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 00:36:23,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,923 INFO L137 Inliner]: procedures = 2, calls = 0, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 00:36:23,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 00:36:23,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 00:36:23,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 00:36:23,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 00:36:23,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 00:36:23,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 00:36:23,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 00:36:23,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 00:36:23,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/1) ... [2022-02-16 00:36:23,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:36:23,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:36:23,954 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) [2022-02-16 00:36:23,985 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 [2022-02-16 00:36:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 00:36:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 00:36:24,067 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 00:36:24,082 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 00:36:24,125 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 00:36:24,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 00:36:24,129 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 00:36:24,130 INFO L202 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:36:24 BoogieIcfgContainer [2022-02-16 00:36:24,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 00:36:24,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 00:36:24,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 00:36:24,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 00:36:24,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:36:23" (1/2) ... [2022-02-16 00:36:24,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148a6584 and model type LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:36:24, skipping insertion in model container [2022-02-16 00:36:24,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:36:24" (2/2) ... [2022-02-16 00:36:24,136 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_Y_to_V.bpl [2022-02-16 00:36:24,139 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 00:36:24,140 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-02-16 00:36:24,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148a6584 and model type LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:36:24, skipping insertion in model container [2022-02-16 00:36:24,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 00:36:24,142 INFO L158 Benchmark]: Toolchain (without parser) took 240.00ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 111.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 00:36:24,142 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 124.3MB in the beginning and 124.1MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 00:36:24,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.13ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 00:36:24,144 INFO L158 Benchmark]: Boogie Preprocessor took 8.74ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 936.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 00:36:24,144 INFO L158 Benchmark]: RCFGBuilder took 196.56ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 113.2MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-16 00:36:24,145 INFO L158 Benchmark]: TraceAbstraction took 8.87ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 111.8MB in the end (delta: 919.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 00:36:24,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 124.3MB in the beginning and 124.1MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.13ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.74ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 936.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 196.56ms. Allocated memory is still 165.7MB. Free memory was 120.8MB in the beginning and 113.2MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 8.87ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 111.8MB in the end (delta: 919.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-02-16 00:36:24,175 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...