/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/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:10:09,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:10:09,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:10:09,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 07:10:09,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 07:10:09,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 07:10:09,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 07:10:09,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 07:10:09,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 07:10:09,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 07:10:09,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 07:10:09,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 07:10:09,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:10:09,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:10:09,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:10:09,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:10:09,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:10:09,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:10:09,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:10:09,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:10:09,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:10:09,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:10:09,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:10:09,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:10:09,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 07:10:09,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 07:10:09,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 07:10:09,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 07:10:09,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 07:10:09,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 07:10:09,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 07:10:09,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 07:10:09,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 07:10:09,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 07:10:09,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 07:10:09,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 07:10:10,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 07:10:10,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 07:10:10,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:10:10,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:10:10,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:10:10,002 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 07:10:10,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:10:10,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:10:10,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:10:10,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:10:10,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:10:10,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:10:10,017 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:10:10,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:10:10,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:10:10,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:10:10,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:10:10,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:10:10,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:10:10,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:10:10,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:10:10,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:10:10,020 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:10:10,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:10:10,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:10:10,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:10:10,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:10:10,242 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 07:10:10,243 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 07:10:10,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2021-06-02 07:10:10,244 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2021-06-02 07:10:10,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:10:10,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 07:10:10,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:10:10,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:10:10,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:10:10,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:10:10,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:10:10,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:10:10,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:10:10,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/1) ... [2021-06-02 07:10:10,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:10:10,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:10:10,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:10:10,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:10:10,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (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 07:10:10,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 07:10:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 07:10:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 07:10:10,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 07:10:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 07:10:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 07:10:10,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 07:10:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:10:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:10:10,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 07:10:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 07:10:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 07:10:10,401 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 07:10:10,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:10:10,631 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 07:10:10,637 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:10:10 BoogieIcfgContainer [2021-06-02 07:10:10,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:10:10,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:10:10,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:10:10,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:10:10,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:10:10" (1/2) ... [2021-06-02 07:10:10,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffb7bed and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:10:10, skipping insertion in model container [2021-06-02 07:10:10,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:10:10" (2/2) ... [2021-06-02 07:10:10,643 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2021-06-02 07:10:10,646 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:10:10,646 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:10:10,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:10:10,647 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:10:10,673 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 07:10:10,704 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 07:10:10,859 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:10:10,859 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:10:10,859 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:10:10,859 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:10:10,860 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:10:10,860 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:10:10,860 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:10:10,860 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 07:10:11,056 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:10:11,057 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:10:11 BasicIcfg [2021-06-02 07:10:11,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:10:11,060 INFO L168 Benchmark]: Toolchain (without parser) took 798.03 ms. Allocated memory is still 369.1 MB. Free memory was 348.9 MB in the beginning and 334.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.0 GB. [2021-06-02 07:10:11,060 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 369.1 MB. Free memory is still 350.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:10:11,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.85 ms. Allocated memory is still 369.1 MB. Free memory was 348.8 MB in the beginning and 347.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:10:11,061 INFO L168 Benchmark]: Boogie Preprocessor took 11.14 ms. Allocated memory is still 369.1 MB. Free memory was 347.4 MB in the beginning and 346.4 MB in the end (delta: 996.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:10:11,062 INFO L168 Benchmark]: RCFGBuilder took 347.64 ms. Allocated memory is still 369.1 MB. Free memory was 346.3 MB in the beginning and 331.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 07:10:11,062 INFO L168 Benchmark]: TraceAbstraction took 418.81 ms. Allocated memory is still 369.1 MB. Free memory was 331.4 MB in the beginning and 334.5 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:10:11,067 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 0.11 ms. Allocated memory is still 369.1 MB. Free memory is still 350.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 16.85 ms. Allocated memory is still 369.1 MB. Free memory was 348.8 MB in the beginning and 347.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.14 ms. Allocated memory is still 369.1 MB. Free memory was 347.4 MB in the beginning and 346.4 MB in the end (delta: 996.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 347.64 ms. Allocated memory is still 369.1 MB. Free memory was 346.3 MB in the beginning and 331.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 418.81 ms. Allocated memory is still 369.1 MB. Free memory was 331.4 MB in the beginning and 334.5 MB in the end (delta: -3.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 22, 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: 801, positive: 783, positive conditional: 0, positive unconditional: 783, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 575, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 575, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 801, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , Statistics on independence cache: Total cache size (in pairs): 575, Positive cache size: 557, Positive conditional cache size: 0, Positive unconditional cache size: 557, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 153, Number of persistent set computation: 27, Number of trivial persistent sets: 24, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 801, positive: 783, positive conditional: 0, positive unconditional: 783, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 575, positive: 557, positive conditional: 0, positive unconditional: 557, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 575, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 801, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , Statistics on independence cache: Total cache size (in pairs): 575, Positive cache size: 557, Positive conditional cache size: 0, Positive unconditional cache size: 557, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - PositiveResult [Line: 78]: 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 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 339.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 171.2ms, 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...