/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 17:53:20,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 17:53:20,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 17:53:20,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 17:53:20,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 17:53:20,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 17:53:20,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 17:53:20,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 17:53:20,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 17:53:20,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 17:53:20,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 17:53:20,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 17:53:20,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 17:53:20,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 17:53:20,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 17:53:20,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 17:53:20,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 17:53:20,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 17:53:20,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 17:53:20,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 17:53:20,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 17:53:20,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 17:53:20,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 17:53:20,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 17:53:20,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 17:53:20,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 17:53:20,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 17:53:20,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 17:53:20,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 17:53:20,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 17:53:20,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 17:53:20,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 17:53:20,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 17:53:20,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 17:53:20,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 17:53:20,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 17:53:20,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 17:53:20,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 17:53:20,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 17:53:20,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 17:53:20,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 17:53:20,801 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-OGIterative-CovSimpl-Hitting.epf [2021-08-13 17:53:20,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 17:53:20,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 17:53:20,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 17:53:20,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 17:53:20,840 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 17:53:20,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 17:53:20,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 17:53:20,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 17:53:20,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 17:53:20,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 17:53:20,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 17:53:20,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 17:53:20,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 17:53:20,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 17:53:20,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 17:53:20,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 17:53:20,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:53:20,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 17:53:20,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 17:53:20,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 17:53:20,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 17:53:20,844 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 17:53:21,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 17:53:21,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 17:53:21,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 17:53:21,177 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 17:53:21,178 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 17:53:21,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl [2021-08-13 17:53:21,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl' [2021-08-13 17:53:21,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 17:53:21,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 17:53:21,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 17:53:21,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 17:53:21,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 17:53:21,213 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 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,221 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 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 17:53:21,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 17:53:21,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 17:53:21,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 17:53:21,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/1) ... [2021-08-13 17:53:21,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 17:53:21,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 17:53:21,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 17:53:21,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 17:53:21,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (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 [2021-08-13 17:53:21,305 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-08-13 17:53:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 17:53:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 17:53:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 17:53:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 17:53:21,306 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 17:53:21,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 17:53:21,427 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 17:53:21,429 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:53:21 BoogieIcfgContainer [2021-08-13 17:53:21,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 17:53:21,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 17:53:21,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 17:53:21,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 17:53:21,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 05:53:21" (1/2) ... [2021-08-13 17:53:21,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36374a6 and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:53:21, skipping insertion in model container [2021-08-13 17:53:21,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:53:21" (2/2) ... [2021-08-13 17:53:21,436 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2021-08-13 17:53:21,445 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 17:53:21,446 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 17:53:21,447 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 17:53:21,479 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,480 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,480 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,481 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,481 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,483 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,485 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,493 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,500 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:53:21,531 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-08-13 17:53:21,556 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-13 17:53:21,587 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 17:53:21,587 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 17:53:21,587 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 17:53:21,587 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 17:53:21,587 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 17:53:21,587 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 17:53:21,587 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 17:53:21,588 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 17:53:21,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 22 transitions, 77 flow [2021-08-13 17:53:21,619 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-08-13 17:53:21,620 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:53:21,621 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. [2021-08-13 17:53:21,622 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 22 transitions, 77 flow [2021-08-13 17:53:21,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-13 17:53:21,624 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-13 17:53:21,624 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:53:21,634 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 6020448ns [2021-08-13 17:53:21,642 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 11645393ns [2021-08-13 17:53:21,644 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 17:53:21,648 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 05:53:21 BasicIcfg [2021-08-13 17:53:21,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 17:53:21,651 INFO L168 Benchmark]: Toolchain (without parser) took 450.26 ms. Allocated memory is still 195.0 MB. Free memory was 175.8 MB in the beginning and 155.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-08-13 17:53:21,652 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 195.0 MB. Free memory is still 176.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 17:53:21,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.29 ms. Allocated memory is still 195.0 MB. Free memory was 175.8 MB in the beginning and 174.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:53:21,654 INFO L168 Benchmark]: Boogie Preprocessor took 12.14 ms. Allocated memory is still 195.0 MB. Free memory was 174.3 MB in the beginning and 173.4 MB in the end (delta: 867.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 17:53:21,655 INFO L168 Benchmark]: RCFGBuilder took 185.12 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 165.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 17:53:21,656 INFO L168 Benchmark]: TraceAbstraction took 217.54 ms. Allocated memory is still 195.0 MB. Free memory was 164.8 MB in the beginning and 155.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-13 17:53:21,660 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 0.14 ms. Allocated memory is still 195.0 MB. Free memory is still 176.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.29 ms. Allocated memory is still 195.0 MB. Free memory was 175.8 MB in the beginning and 174.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.14 ms. Allocated memory is still 195.0 MB. Free memory was 174.3 MB in the beginning and 173.4 MB in the end (delta: 867.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 185.12 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 165.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 217.54 ms. Allocated memory is still 195.0 MB. Free memory was 164.8 MB in the beginning and 155.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 26 locations, 4 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: 41.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.1ms, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...