/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 20:02:25,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 20:02:25,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 20:02:25,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 20:02:25,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 20:02:25,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 20:02:25,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 20:02:25,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 20:02:25,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 20:02:25,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 20:02:25,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 20:02:25,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 20:02:25,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 20:02:25,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 20:02:25,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 20:02:25,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 20:02:25,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 20:02:25,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 20:02:25,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 20:02:25,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 20:02:25,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 20:02:25,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 20:02:25,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 20:02:25,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 20:02:25,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 20:02:25,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-21 20:02:25,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-21 20:02:25,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-21 20:02:25,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-21 20:02:25,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-21 20:02:25,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-21 20:02:25,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-21 20:02:25,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-21 20:02:25,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 20:02:25,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 20:02:25,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 20:02:25,571 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-FA-NoLbe.epf [2021-05-21 20:02:25,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 20:02:25,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 20:02:25,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 20:02:25,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 20:02:25,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 20:02:25,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 20:02:25,598 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 20:02:25,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 20:02:25,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 20:02:25,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 20:02:25,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 20:02:25,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 20:02:25,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 20:02:25,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 20:02:25,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 20:02:25,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 20:02:25,601 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 20:02:25,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 20:02:25,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 20:02:25,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 20:02:25,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 20:02:25,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 20:02:25,876 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-21 20:02:25,877 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-21 20:02:25,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl [2021-05-21 20:02:25,878 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl' [2021-05-21 20:02:25,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 20:02:25,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-21 20:02:25,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 20:02:25,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 20:02:25,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 20:02:25,924 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 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,929 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 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 20:02:25,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 20:02:25,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 20:02:25,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 20:02:25,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/1) ... [2021-05-21 20:02:25,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 20:02:25,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 20:02:25,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 20:02:25,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 20:02:25,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (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 [2021-05-21 20:02:26,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-05-21 20:02:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-05-21 20:02:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-05-21 20:02:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 20:02:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 20:02:26,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 20:02:26,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 20:02:26,110 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-21 20:02:26,111 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 08:02:26 BoogieIcfgContainer [2021-05-21 20:02:26,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 20:02:26,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 20:02:26,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 20:02:26,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 20:02:26,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.05 08:02:25" (1/2) ... [2021-05-21 20:02:26,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d90ac0 and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 08:02:26, skipping insertion in model container [2021-05-21 20:02:26,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 08:02:26" (2/2) ... [2021-05-21 20:02:26,120 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2021-05-21 20:02:26,126 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 20:02:26,126 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 20:02:26,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 20:02:26,128 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 20:02:26,151 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,152 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,152 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,153 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,153 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,154 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,156 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,161 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,165 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 20:02:26,172 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-05-21 20:02:26,186 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 20:02:26,198 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 20:02:26,198 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 20:02:26,198 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 20:02:26,198 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 20:02:26,198 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 20:02:26,198 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 20:02:26,198 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 20:02:26,199 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 20:02:26,204 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 77 flow [2021-05-21 20:02:26,211 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41 states, 40 states have (on average 2.05) internal successors, (82), 40 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 20:02:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 40 states have (on average 2.05) internal successors, (82), 40 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 20:02:26,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 20:02:26,217 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 20:02:26,219 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 08:02:26 BasicIcfg [2021-05-21 20:02:26,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 20:02:26,220 INFO L168 Benchmark]: Toolchain (without parser) took 306.26 ms. Allocated memory is still 369.1 MB. Free memory was 348.4 MB in the beginning and 328.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-05-21 20:02:26,221 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 369.1 MB. Free memory is still 349.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 20:02:26,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 369.1 MB. Free memory was 348.3 MB in the beginning and 346.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 20:02:26,222 INFO L168 Benchmark]: Boogie Preprocessor took 9.32 ms. Allocated memory is still 369.1 MB. Free memory was 346.8 MB in the beginning and 346.0 MB in the end (delta: 855.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 20:02:26,222 INFO L168 Benchmark]: RCFGBuilder took 164.79 ms. Allocated memory is still 369.1 MB. Free memory was 345.9 MB in the beginning and 337.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-05-21 20:02:26,223 INFO L168 Benchmark]: TraceAbstraction took 106.38 ms. Allocated memory is still 369.1 MB. Free memory was 337.4 MB in the beginning and 328.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-05-21 20:02:26,224 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 0.12 ms. Allocated memory is still 369.1 MB. Free memory is still 349.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 369.1 MB. Free memory was 348.3 MB in the beginning and 346.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.32 ms. Allocated memory is still 369.1 MB. Free memory was 346.8 MB in the beginning and 346.0 MB in the end (delta: 855.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 164.79 ms. Allocated memory is still 369.1 MB. Free memory was 345.9 MB in the beginning and 337.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 106.38 ms. Allocated memory is still 369.1 MB. Free memory was 337.4 MB in the beginning and 328.8 MB in the end (delta: 8.6 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 4.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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...