/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 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 20:41:24,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 20:41:24,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 20:41:24,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-10 20:41:24,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-10 20:41:24,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-10 20:41:24,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-10 20:41:24,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-10 20:41:24,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-10 20:41:24,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-10 20:41:24,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-10 20:41:24,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-10 20:41:24,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-10 20:41:24,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-10 20:41:24,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-10 20:41:24,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-10 20:41:24,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-10 20:41:24,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-10 20:41:24,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-10 20:41:24,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-10 20:41:24,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-10 20:41:24,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-10 20:41:24,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-10 20:41:24,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-10 20:41:24,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-10 20:41:24,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-10 20:41:24,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-10 20:41:24,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-10 20:41:24,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-10 20:41:24,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-10 20:41:24,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-10 20:41:24,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-10 20:41:24,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-10 20:41:24,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 20:41:24,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 20:41:24,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 20:41:24,181 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 [2021-03-10 20:41:24,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 20:41:24,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 20:41:24,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 20:41:24,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 20:41:24,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 20:41:24,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 20:41:24,204 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 20:41:24,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 20:41:24,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 20:41:24,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 20:41:24,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 20:41:24,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 20:41:24,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 20:41:24,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 20:41:24,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 20:41:24,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 20:41:24,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 20:41:24,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 20:41:24,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 20:41:24,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 20:41:24,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 20:41:24,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 20:41:24,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 20:41:24,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 20:41:24,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-10 20:41:24,459 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-10 20:41:24,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl [2021-03-10 20:41:24,460 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl' [2021-03-10 20:41:24,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 20:41:24,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-10 20:41:24,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 20:41:24,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 20:41:24,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 20:41:24,521 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 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,527 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 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 20:41:24,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 20:41:24,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 20:41:24,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 20:41:24,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/1) ... [2021-03-10 20:41:24,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 20:41:24,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 20:41:24,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 20:41:24,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 20:41:24,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (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 [2021-03-10 20:41:24,601 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-10 20:41:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-10 20:41:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-10 20:41:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 20:41:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 20:41:24,602 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 20:41:24,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 20:41:24,687 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-10 20:41:24,688 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:41:24 BoogieIcfgContainer [2021-03-10 20:41:24,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 20:41:24,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 20:41:24,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 20:41:24,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 20:41:24,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.03 08:41:24" (1/2) ... [2021-03-10 20:41:24,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a0cf0b and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:41:24, skipping insertion in model container [2021-03-10 20:41:24,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:41:24" (2/2) ... [2021-03-10 20:41:24,710 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2021-03-10 20:41:24,717 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 20:41:24,717 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 20:41:24,719 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-10 20:41:24,720 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 20:41:24,741 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,741 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,742 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,742 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,742 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,742 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,744 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,749 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,754 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:41:24,774 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-10 20:41:24,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-10 20:41:24,796 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 20:41:24,797 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 20:41:24,797 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 20:41:24,797 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 20:41:24,797 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 20:41:24,797 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 20:41:24,797 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 20:41:24,797 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 20:41:24,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 77 flow [2021-03-10 20:41:24,812 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) [2021-03-10 20:41:24,814 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) [2021-03-10 20:41:24,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-10 20:41:24,822 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 08:41:24 BasicIcfg [2021-03-10 20:41:24,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 20:41:24,823 INFO L168 Benchmark]: Toolchain (without parser) took 313.92 ms. Allocated memory is still 255.9 MB. Free memory was 236.7 MB in the beginning and 232.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. [2021-03-10 20:41:24,824 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:41:24,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 20:41:24,825 INFO L168 Benchmark]: Boogie Preprocessor took 9.98 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.9 MB in the end (delta: 829.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:41:24,825 INFO L168 Benchmark]: RCFGBuilder took 144.60 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 225.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-10 20:41:24,826 INFO L168 Benchmark]: TraceAbstraction took 130.84 ms. Allocated memory is still 255.9 MB. Free memory was 225.4 MB in the beginning and 232.4 MB in the end (delta: -7.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:41:24,832 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 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.98 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.9 MB in the end (delta: 829.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 144.60 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 225.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 130.84 ms. Allocated memory is still 255.9 MB. Free memory was 225.4 MB in the beginning and 232.4 MB in the end (delta: -7.1 MB). There was no memory consumed. 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. VerificationResult: SAFE, OverallTime: 24.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...