/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-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_join_in_loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 12:47:27,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 12:47:27,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 12:47:27,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 12:47:27,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 12:47:27,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 12:47:27,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 12:47:27,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 12:47:27,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 12:47:27,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 12:47:27,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 12:47:27,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 12:47:27,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 12:47:27,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 12:47:27,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 12:47:27,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 12:47:27,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 12:47:27,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 12:47:27,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 12:47:27,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 12:47:27,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 12:47:27,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 12:47:27,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 12:47:27,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 12:47:27,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 12:47:27,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 12:47:27,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 12:47:27,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 12:47:27,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 12:47:27,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 12:47:27,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 12:47:27,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 12:47:27,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 12:47:27,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 12:47:27,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 12:47:27,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 12:47:27,701 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-Hitting.epf [2021-08-13 12:47:27,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 12:47:27,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 12:47:27,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 12:47:27,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 12:47:27,742 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 12:47:27,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 12:47:27,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 12:47:27,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 12:47:27,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 12:47:27,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 12:47:27,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 12:47:27,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 12:47:27,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 12:47:27,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 12:47:27,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 12:47:27,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 12:47:27,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 12:47:27,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 12:47:27,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 12:47:27,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 12:47:27,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 12:47:27,746 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 12:47:27,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 12:47:28,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 12:47:28,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 12:47:28,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 12:47:28,094 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 12:47:28,095 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 12:47:28,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_join_in_loop.bpl [2021-08-13 12:47:28,096 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_join_in_loop.bpl' [2021-08-13 12:47:28,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 12:47:28,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 12:47:28,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 12:47:28,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 12:47:28,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 12:47:28,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 12:47:28,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 12:47:28,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 12:47:28,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 12:47:28,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/1) ... [2021-08-13 12:47:28,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 12:47:28,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 12:47:28,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 12:47:28,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 12:47:28,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (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 12:47:28,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-08-13 12:47:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 12:47:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 12:47:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 12:47:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 12:47:28,221 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 12:47:28,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 12:47:28,354 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 12:47:28,355 INFO L202 PluginConnector]: Adding new model fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:47:28 BoogieIcfgContainer [2021-08-13 12:47:28,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 12:47:28,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 12:47:28,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 12:47:28,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 12:47:28,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:47:28" (1/2) ... [2021-08-13 12:47:28,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2bbf3b and model type fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:47:28, skipping insertion in model container [2021-08-13 12:47:28,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:47:28" (2/2) ... [2021-08-13 12:47:28,362 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_join_in_loop.bpl [2021-08-13 12:47:28,367 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 12:47:28,367 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 12:47:28,368 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 12:47:28,384 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:47:28,384 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:47:28,387 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:47:28,394 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-13 12:47:28,415 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-13 12:47:28,434 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 12:47:28,435 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 12:47:28,435 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 12:47:28,435 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 12:47:28,435 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 12:47:28,435 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 12:47:28,435 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 12:47:28,435 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 12:47:28,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 14 transitions, 39 flow [2021-08-13 12:47:28,456 INFO L129 PetriNetUnfolder]: 1/9 cut-off events. [2021-08-13 12:47:28,457 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 12:47:28,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14 conditions, 9 events. 1/9 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 1. Up to 2 conditions per place. [2021-08-13 12:47:28,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 17 places, 14 transitions, 39 flow [2021-08-13 12:47:28,461 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-13 12:47:28,462 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-13 12:47:28,462 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 12:47:28,470 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 5173649ns [2021-08-13 12:47:28,474 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 6314490ns [2021-08-13 12:47:28,476 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 12:47:28,480 INFO L202 PluginConnector]: Adding new model fork_join_in_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 12:47:28 BasicIcfg [2021-08-13 12:47:28,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 12:47:28,482 INFO L168 Benchmark]: Toolchain (without parser) took 364.45 ms. Allocated memory is still 220.2 MB. Free memory was 201.4 MB in the beginning and 181.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-13 12:47:28,482 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 12:47:28,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.09 ms. Allocated memory is still 220.2 MB. Free memory was 201.3 MB in the beginning and 199.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 12:47:28,484 INFO L168 Benchmark]: Boogie Preprocessor took 14.04 ms. Allocated memory is still 220.2 MB. Free memory was 199.8 MB in the beginning and 199.0 MB in the end (delta: 844.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 12:47:28,484 INFO L168 Benchmark]: RCFGBuilder took 197.04 ms. Allocated memory is still 220.2 MB. Free memory was 198.8 MB in the beginning and 189.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:47:28,485 INFO L168 Benchmark]: TraceAbstraction took 123.23 ms. Allocated memory is still 220.2 MB. Free memory was 189.3 MB in the beginning and 181.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:47:28,487 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 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.09 ms. Allocated memory is still 220.2 MB. Free memory was 201.3 MB in the beginning and 199.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.04 ms. Allocated memory is still 220.2 MB. Free memory was 199.8 MB in the beginning and 199.0 MB in the end (delta: 844.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 197.04 ms. Allocated memory is still 220.2 MB. Free memory was 198.8 MB in the beginning and 189.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 123.23 ms. Allocated memory is still 220.2 MB. Free memory was 189.3 MB in the beginning and 181.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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 3 procedures, 18 locations, 2 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: 32.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.0ms, 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...