/usr/bin/java -Xmx16000000000 -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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:08:45,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:08:45,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:08:45,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 05:08:45,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:08:45,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:08:45,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:08:45,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:08:45,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:08:45,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:08:45,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:08:45,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:08:45,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:08:45,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:08:45,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:08:45,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:08:45,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 05:08:45,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 05:08:45,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 05:08:45,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 05:08:45,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 05:08:45,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 05:08:45,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:08:45,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:08:45,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:08:45,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:08:45,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:08:45,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:08:45,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:08:45,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2021-06-02 05:08:45,542 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-Persistent-NoLbe.epf [2021-06-02 05:08:45,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:08:45,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:08:45,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:08:45,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:08:45,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:08:45,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:08:45,579 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:08:45,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:08:45,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:08:45,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:08:45,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:08:45,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:08:45,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:08:45,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:08:45,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:08:45,583 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-02 05:08:45,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:08:45,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:08:45,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:08:45,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:08:45,895 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 05:08:45,896 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 05:08:45,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl [2021-06-02 05:08:45,897 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_5.bpl' [2021-06-02 05:08:45,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:08:45,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 05:08:45,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:08:45,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:08:45,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:08:45,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:08:45,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:08:45,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:08:45,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:08:45,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... [2021-06-02 05:08:45,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:08:45,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:08:45,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:08:45,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:08:45,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:08:46,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-02 05:08:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-02 05:08:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-02 05:08:46,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-02 05:08:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-02 05:08:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-02 05:08:46,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-02 05:08:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-02 05:08:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-02 05:08:46,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-02 05:08:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-02 05:08:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-02 05:08:46,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-02 05:08:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-02 05:08:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-02 05:08:46,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 05:08:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:08:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:08:46,054 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 05:08:46,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:08:46,187 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 05:08:46,189 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:08:46 BoogieIcfgContainer [2021-06-02 05:08:46,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:08:46,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:08:46,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:08:46,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:08:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:08:45" (1/2) ... [2021-06-02 05:08:46,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60165951 and model type example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:08:46, skipping insertion in model container [2021-06-02 05:08:46,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:08:46" (2/2) ... [2021-06-02 05:08:46,197 INFO L111 eAbstractionObserver]: Analyzing ICFG example_5.bpl [2021-06-02 05:08:46,201 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:08:46,202 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:08:46,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:08:46,202 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:08:46,300 INFO L149 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2021-06-02 05:08:46,318 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:08:46,410 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:08:46,410 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:08:46,410 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:08:46,410 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:08:46,410 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:08:46,411 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:08:46,411 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:08:46,411 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:08:46,589 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:08:46,591 INFO L202 PluginConnector]: Adding new model example_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:08:46 BasicIcfg [2021-06-02 05:08:46,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:08:46,592 INFO L168 Benchmark]: Toolchain (without parser) took 657.57 ms. Allocated memory is still 390.1 MB. Free memory was 369.1 MB in the beginning and 357.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.0 GB. [2021-06-02 05:08:46,593 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.1 MB in the beginning and 370.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:08:46,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.14 ms. Allocated memory is still 390.1 MB. Free memory was 369.0 MB in the beginning and 367.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:08:46,594 INFO L168 Benchmark]: Boogie Preprocessor took 13.47 ms. Allocated memory is still 390.1 MB. Free memory was 367.6 MB in the beginning and 366.7 MB in the end (delta: 927.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:08:46,595 INFO L168 Benchmark]: RCFGBuilder took 212.74 ms. Allocated memory is still 390.1 MB. Free memory was 366.7 MB in the beginning and 356.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-02 05:08:46,596 INFO L168 Benchmark]: TraceAbstraction took 399.64 ms. Allocated memory is still 390.1 MB. Free memory was 356.1 MB in the beginning and 357.6 MB in the end (delta: -1.5 MB). Peak memory consumption was 261.7 kB. Max. memory is 16.0 GB. [2021-06-02 05:08:46,605 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 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.1 MB in the beginning and 370.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.14 ms. Allocated memory is still 390.1 MB. Free memory was 369.0 MB in the beginning and 367.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.47 ms. Allocated memory is still 390.1 MB. Free memory was 367.6 MB in the beginning and 366.7 MB in the end (delta: 927.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 212.74 ms. Allocated memory is still 390.1 MB. Free memory was 366.7 MB in the beginning and 356.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 399.64 ms. Allocated memory is still 390.1 MB. Free memory was 356.1 MB in the beginning and 357.6 MB in the end (delta: -1.5 MB). Peak memory consumption was 261.7 kB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1542, positive: 1488, positive conditional: 0, positive unconditional: 1488, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1122, positive: 1108, positive conditional: 0, positive unconditional: 1108, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1122, positive: 1098, positive conditional: 0, positive unconditional: 1098, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1542, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 1122, unknown conditional: 0, unknown unconditional: 1122] , Statistics on independence cache: Total cache size (in pairs): 1122, Positive cache size: 1108, Positive conditional cache size: 0, Positive unconditional cache size: 1108, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 146, Number of persistent set computation: 7, Number of trivial persistent sets: 2, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1542, positive: 1488, positive conditional: 0, positive unconditional: 1488, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1122, positive: 1108, positive conditional: 0, positive unconditional: 1108, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1122, positive: 1098, positive conditional: 0, positive unconditional: 1098, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1542, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 1122, unknown conditional: 0, unknown unconditional: 1122] , Statistics on independence cache: Total cache size (in pairs): 1122, Positive cache size: 1108, Positive conditional cache size: 0, Positive unconditional cache size: 1108, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 49 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 227.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 158.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...