/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/atomic.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:49:29,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:49:29,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:49:29,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:49:29,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:49:29,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:49:29,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:49:29,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:49:29,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:49:29,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:49:29,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:49:29,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:49:29,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:49:29,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:49:29,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:49:29,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:49:29,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:49:29,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:49:29,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:49:29,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:49:29,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:49:29,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:49:29,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:49:29,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:49:29,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:49:29,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 21:49:29,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 21:49:29,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 21:49:29,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 21:49:29,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 21:49:29,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 21:49:29,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 21:49:29,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 21:49:29,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:49:29,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:49:29,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:49:29,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-08-12 21:49:29,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:49:29,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:49:29,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:49:29,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:49:29,268 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:49:29,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:49:29,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:49:29,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:49:29,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:49:29,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:49:29,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:49:29,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:49:29,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:49:29,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:49:29,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:49:29,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:49:29,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:49:29,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:49:29,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:49:29,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:49:29,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:49:29,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:49:29,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:49:29,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:49:29,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:49:29,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:49:29,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:49:29,273 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:49:29,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:49:29,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:49:29,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:49:29,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:49:29,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:49:29,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:49:29,633 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 21:49:29,634 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 21:49:29,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl [2021-08-12 21:49:29,635 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl' [2021-08-12 21:49:29,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:49:29,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 21:49:29,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:29,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:49:29,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:49:29,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:29,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:49:29,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:49:29,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:49:29,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/1) ... [2021-08-12 21:49:29,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:49:29,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:49:29,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:49:29,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:49:29,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (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 [2021-08-12 21:49:29,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-08-12 21:49:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-12 21:49:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-12 21:49:29,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 21:49:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:49:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:49:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-08-12 21:49:29,787 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:49:29,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:49:29,896 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 21:49:29,898 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:29 BoogieIcfgContainer [2021-08-12 21:49:29,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:49:29,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:49:29,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:49:29,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:49:29,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:29" (1/2) ... [2021-08-12 21:49:29,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d60e48 and model type atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:49:29, skipping insertion in model container [2021-08-12 21:49:29,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:29" (2/2) ... [2021-08-12 21:49:29,905 INFO L111 eAbstractionObserver]: Analyzing ICFG atomic.bpl [2021-08-12 21:49:29,909 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:49:29,910 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-12 21:49:29,911 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:49:29,928 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:49:29,948 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-12 21:49:29,967 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:49:29,968 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:49:29,968 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:49:29,968 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:49:29,968 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:49:29,968 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:49:29,968 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:49:29,968 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:49:29,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 10 places, 6 transitions, 17 flow [2021-08-12 21:49:29,987 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-08-12 21:49:29,987 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:49:29,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9 conditions, 5 events. 0/5 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/5 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-08-12 21:49:29,989 INFO L82 GeneralOperation]: Start removeDead. Operand has 10 places, 6 transitions, 17 flow [2021-08-12 21:49:29,991 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-12 21:49:29,992 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-12 21:49:29,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:49:29,999 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 4376499ns [2021-08-12 21:49:30,003 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 5992562ns [2021-08-12 21:49:30,005 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 21:49:30,008 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 09:49:30 BasicIcfg [2021-08-12 21:49:30,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 21:49:30,011 INFO L168 Benchmark]: Toolchain (without parser) took 339.97 ms. Allocated memory is still 206.6 MB. Free memory was 188.0 MB in the beginning and 168.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:30,011 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 206.6 MB. Free memory is still 188.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:49:30,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.54 ms. Allocated memory is still 206.6 MB. Free memory was 187.9 MB in the beginning and 186.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:30,013 INFO L168 Benchmark]: Boogie Preprocessor took 14.36 ms. Allocated memory is still 206.6 MB. Free memory was 186.5 MB in the beginning and 185.6 MB in the end (delta: 899.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:30,013 INFO L168 Benchmark]: RCFGBuilder took 181.04 ms. Allocated memory is still 206.6 MB. Free memory was 185.6 MB in the beginning and 176.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:30,014 INFO L168 Benchmark]: TraceAbstraction took 109.31 ms. Allocated memory is still 206.6 MB. Free memory was 176.5 MB in the beginning and 168.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:30,016 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 0.16 ms. Allocated memory is still 206.6 MB. Free memory is still 188.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.54 ms. Allocated memory is still 206.6 MB. Free memory was 187.9 MB in the beginning and 186.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.36 ms. Allocated memory is still 206.6 MB. Free memory was 186.5 MB in the beginning and 185.6 MB in the end (delta: 899.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 181.04 ms. Allocated memory is still 206.6 MB. Free memory was 185.6 MB in the beginning and 176.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 109.31 ms. Allocated memory is still 206.6 MB. Free memory was 176.5 MB in the beginning and 168.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 29.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.9ms, 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 We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...