/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 04:36:26,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 04:36:26,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 04:36:26,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 04:36:26,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 04:36:26,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 04:36:26,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 04:36:26,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 04:36:26,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 04:36:26,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 04:36:26,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 04:36:26,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 04:36:26,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 04:36:26,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 04:36:26,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 04:36:26,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 04:36:26,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 04:36:26,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 04:36:26,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 04:36:26,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 04:36:26,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 04:36:26,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 04:36:26,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 04:36:26,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 04:36:26,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 04:36:26,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 04:36:26,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 04:36:26,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 04:36:26,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 04:36:26,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 04:36:26,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 04:36:26,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 04:36:26,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 04:36:26,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 04:36:26,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 04:36:26,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 04:36:26,304 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-PN-NoLbe.epf [2021-03-11 04:36:26,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 04:36:26,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 04:36:26,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 04:36:26,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 04:36:26,323 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 04:36:26,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 04:36:26,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 04:36:26,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 04:36:26,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 04:36:26,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 04:36:26,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 04:36:26,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 04:36:26,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 04:36:26,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 04:36:26,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 04:36:26,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 04:36:26,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 04:36:26,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl [2021-03-11 04:36:26,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl' [2021-03-11 04:36:26,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 04:36:26,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 04:36:26,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 04:36:26,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 04:36:26,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 04:36:26,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 04:36:26,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 04:36:26,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 04:36:26,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 04:36:26,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/1) ... [2021-03-11 04:36:26,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 04:36:26,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 04:36:26,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 04:36:26,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 04:36:26,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (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 [2021-03-11 04:36:26,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-11 04:36:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 04:36:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 04:36:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 04:36:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 04:36:26,774 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 04:36:26,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 04:36:26,877 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 04:36:26,878 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 04:36:26 BoogieIcfgContainer [2021-03-11 04:36:26,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 04:36:26,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 04:36:26,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 04:36:26,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 04:36:26,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 04:36:26" (1/2) ... [2021-03-11 04:36:26,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324ae65e and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 04:36:26, skipping insertion in model container [2021-03-11 04:36:26,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 04:36:26" (2/2) ... [2021-03-11 04:36:26,885 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2021-03-11 04:36:26,889 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 04:36:26,892 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 04:36:26,893 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 04:36:26,910 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,910 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,911 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,911 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,911 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,911 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,913 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,916 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,918 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:36:26,927 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-11 04:36:26,943 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-11 04:36:26,960 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 04:36:26,961 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 04:36:26,961 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 04:36:26,961 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 04:36:26,961 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 04:36:26,961 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 04:36:26,961 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 04:36:26,961 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 04:36:26,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 22 transitions, 77 flow [2021-03-11 04:36:26,982 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-11 04:36:26,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 04:36:26,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 10 events. 0/10 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-11 04:36:26,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 22 transitions, 77 flow [2021-03-11 04:36:26,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-03-11 04:36:26,986 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 04:36:26,987 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 04:36:26,990 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 04:36:26 BasicIcfg [2021-03-11 04:36:26,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 04:36:26,992 INFO L168 Benchmark]: Toolchain (without parser) took 324.57 ms. Allocated memory is still 360.7 MB. Free memory was 341.4 MB in the beginning and 321.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-11 04:36:26,993 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 342.4 MB in the beginning and 342.4 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 04:36:26,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.47 ms. Allocated memory is still 360.7 MB. Free memory was 340.9 MB in the beginning and 339.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 04:36:26,994 INFO L168 Benchmark]: Boogie Preprocessor took 12.63 ms. Allocated memory is still 360.7 MB. Free memory was 339.4 MB in the beginning and 338.6 MB in the end (delta: 797.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 04:36:26,995 INFO L168 Benchmark]: RCFGBuilder took 172.25 ms. Allocated memory is still 360.7 MB. Free memory was 338.5 MB in the beginning and 330.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-11 04:36:26,996 INFO L168 Benchmark]: TraceAbstraction took 110.74 ms. Allocated memory is still 360.7 MB. Free memory was 329.9 MB in the beginning and 321.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-11 04:36:26,998 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 0.13 ms. Allocated memory is still 360.7 MB. Free memory was 342.4 MB in the beginning and 342.4 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.47 ms. Allocated memory is still 360.7 MB. Free memory was 340.9 MB in the beginning and 339.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.63 ms. Allocated memory is still 360.7 MB. Free memory was 339.4 MB in the beginning and 338.6 MB in the end (delta: 797.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 172.25 ms. Allocated memory is still 360.7 MB. Free memory was 338.5 MB in the beginning and 330.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 110.74 ms. Allocated memory is still 360.7 MB. Free memory was 329.9 MB in the beginning and 321.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 30.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.6ms, PartialOrderReductionTime: 0.0ms, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...