/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:07:15,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:07:15,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:07:15,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 07:07:15,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 07:07:15,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 07:07:15,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 07:07:15,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 07:07:15,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 07:07:15,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 07:07:15,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 07:07:15,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 07:07:15,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:07:15,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:07:15,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:07:15,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:07:15,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:07:15,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:07:15,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:07:15,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:07:15,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:07:15,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:07:15,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:07:15,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:07:15,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 07:07:15,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 07:07:15,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 07:07:15,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 07:07:15,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 07:07:15,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 07:07:15,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 07:07:15,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 07:07:15,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 07:07:15,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 07:07:15,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 07:07:15,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 07:07:15,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 07:07:15,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 07:07:15,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:07:15,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:07:15,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:07:15,568 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 07:07:15,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:07:15,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:07:15,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:07:15,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:07:15,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:07:15,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:07:15,596 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:07:15,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:07:15,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:07:15,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:07:15,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:07:15,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:07:15,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:07:15,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:07:15,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:07:15,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:07:15,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:07:15,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:07:15,599 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:07:15,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:07:15,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:07:15,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:07:15,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:07:15,867 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 07:07:15,867 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 07:07:15,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl [2021-06-02 07:07:15,868 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl' [2021-06-02 07:07:15,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:07:15,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 07:07:15,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:07:15,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:07:15,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:07:15,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:07:15,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:07:15,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:07:15,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:07:15,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/1) ... [2021-06-02 07:07:15,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:07:15,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:07:15,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:07:15,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:07:15,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (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 07:07:15,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 07:07:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 07:07:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 07:07:15,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 07:07:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 07:07:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 07:07:16,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 07:07:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:07:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:07:16,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 07:07:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 07:07:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 07:07:16,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-02 07:07:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-02 07:07:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-02 07:07:16,001 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 07:07:16,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:07:16,133 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-02 07:07:16,134 INFO L202 PluginConnector]: Adding new model spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:07:16 BoogieIcfgContainer [2021-06-02 07:07:16,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:07:16,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:07:16,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:07:16,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:07:16,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:07:15" (1/2) ... [2021-06-02 07:07:16,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59463468 and model type spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:07:16, skipping insertion in model container [2021-06-02 07:07:16,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:07:16" (2/2) ... [2021-06-02 07:07:16,138 INFO L111 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.bpl [2021-06-02 07:07:16,141 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:07:16,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:07:16,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:07:16,142 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:07:16,191 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 07:07:16,204 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 07:07:16,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:07:16,271 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:07:16,271 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:07:16,271 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:07:16,271 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:07:16,271 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:07:16,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:07:16,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 07:07:16,561 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:07:16,563 INFO L202 PluginConnector]: Adding new model spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:07:16 BasicIcfg [2021-06-02 07:07:16,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:07:16,564 INFO L168 Benchmark]: Toolchain (without parser) took 664.27 ms. Allocated memory is still 419.4 MB. Free memory was 398.5 MB in the beginning and 376.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.0 GB. [2021-06-02 07:07:16,564 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 419.4 MB. Free memory is still 399.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:07:16,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 419.4 MB. Free memory was 398.4 MB in the beginning and 397.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:07:16,565 INFO L168 Benchmark]: Boogie Preprocessor took 12.14 ms. Allocated memory is still 419.4 MB. Free memory was 397.0 MB in the beginning and 396.1 MB in the end (delta: 918.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:07:16,565 INFO L168 Benchmark]: RCFGBuilder took 200.33 ms. Allocated memory is still 419.4 MB. Free memory was 396.0 MB in the beginning and 385.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-02 07:07:16,566 INFO L168 Benchmark]: TraceAbstraction took 428.06 ms. Allocated memory is still 419.4 MB. Free memory was 385.1 MB in the beginning and 376.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. [2021-06-02 07:07:16,567 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 0.10 ms. Allocated memory is still 419.4 MB. Free memory is still 399.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.63 ms. Allocated memory is still 419.4 MB. Free memory was 398.4 MB in the beginning and 397.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.14 ms. Allocated memory is still 419.4 MB. Free memory was 397.0 MB in the beginning and 396.1 MB in the end (delta: 918.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 200.33 ms. Allocated memory is still 419.4 MB. Free memory was 396.0 MB in the beginning and 385.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 428.06 ms. Allocated memory is still 419.4 MB. Free memory was 385.1 MB in the beginning and 376.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 52, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1444, positive: 1384, positive conditional: 0, positive unconditional: 1384, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1038, positive: 1008, positive conditional: 0, positive unconditional: 1008, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1038, positive: 937, positive conditional: 0, positive unconditional: 937, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1444, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 1038, unknown conditional: 0, unknown unconditional: 1038] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 1008, Positive conditional cache size: 0, Positive unconditional cache size: 1008, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 253, Number of persistent set computation: 7, Number of trivial persistent sets: 3, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1444, positive: 1384, positive conditional: 0, positive unconditional: 1384, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1038, positive: 1008, positive conditional: 0, positive unconditional: 1008, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1038, positive: 937, positive conditional: 0, positive unconditional: 937, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1444, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 1038, unknown conditional: 0, unknown unconditional: 1038] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 1008, Positive conditional cache size: 0, Positive unconditional cache size: 1008, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - PositiveResult [Line: 66]: 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 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 327.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 272.2ms, 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...