/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/atomic.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:15:57,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:15:57,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:15:57,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:15:57,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:15:57,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:15:57,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:15:57,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:15:57,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:15:57,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:15:57,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:15:57,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:15:57,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:15:57,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:15:57,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:15:57,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:15:57,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:15:57,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:15:57,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:15:57,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:15:57,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:15:57,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:15:57,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:15:57,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:15:57,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:15:57,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:15:57,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:15:57,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:15:57,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:15:57,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:15:57,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:15:57,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:15:57,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:15:57,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:15:57,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:15:57,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:15:57,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:15:57,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:15:57,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:15:57,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:15:57,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:15:57,211 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-SemanticLbe.epf [2021-03-11 14:15:57,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:15:57,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:15:57,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:15:57,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:15:57,241 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:15:57,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:15:57,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:15:57,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:15:57,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:15:57,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:15:57,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:15:57,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:15:57,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:15:57,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:15:57,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:15:57,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:15:57,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:15:57,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:15:57,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:15:57,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:15:57,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:15:57,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:15:57,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:15:57,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:15:57,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:15:57,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:15:57,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:15:57,517 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 14:15:57,518 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 14:15:57,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl [2021-03-11 14:15:57,518 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl' [2021-03-11 14:15:57,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:15:57,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 14:15:57,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:15:57,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:15:57,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:15:57,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:15:57,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:15:57,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:15:57,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:15:57,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/1) ... [2021-03-11 14:15:57,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:15:57,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:15:57,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:15:57,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:15:57,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (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 [2021-03-11 14:15:57,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-11 14:15:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 14:15:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 14:15:57,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 14:15:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:15:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:15:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-03-11 14:15:57,654 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:15:57,775 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:15:57,775 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 14:15:57,777 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:57 BoogieIcfgContainer [2021-03-11 14:15:57,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:15:57,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:15:57,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:15:57,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:15:57,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:15:57" (1/2) ... [2021-03-11 14:15:57,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cfe09e and model type atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:15:57, skipping insertion in model container [2021-03-11 14:15:57,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:15:57" (2/2) ... [2021-03-11 14:15:57,782 INFO L111 eAbstractionObserver]: Analyzing ICFG atomic.bpl [2021-03-11 14:15:57,788 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:15:57,788 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:15:57,790 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 14:15:57,791 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:15:57,817 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 14:15:57,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-11 14:15:57,852 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:15:57,852 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:15:57,852 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:15:57,853 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:15:57,853 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:15:57,853 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:15:57,853 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:15:57,853 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:15:57,863 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:15:57,870 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 10 places, 6 transitions, 17 flow [2021-03-11 14:15:57,872 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 10 places, 6 transitions, 17 flow [2021-03-11 14:15:57,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 10 places, 6 transitions, 17 flow [2021-03-11 14:15:57,882 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-03-11 14:15:57,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 14:15:57,883 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. [2021-03-11 14:15:57,884 INFO L116 LiptonReduction]: Number of co-enabled transitions 8 [2021-03-11 14:15:57,967 INFO L131 LiptonReduction]: Checked pairs total: 8 [2021-03-11 14:15:57,967 INFO L133 LiptonReduction]: Total number of compositions: 2 [2021-03-11 14:15:57,973 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 8 places, 4 transitions, 13 flow [2021-03-11 14:15:57,977 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-03-11 14:15:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-03-11 14:15:57,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 14:15:57,982 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:15:57 BasicIcfg [2021-03-11 14:15:57,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:15:57,984 INFO L168 Benchmark]: Toolchain (without parser) took 425.07 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 229.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:57,984 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 92.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:15:57,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:57,985 INFO L168 Benchmark]: Boogie Preprocessor took 10.70 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 846.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:57,986 INFO L168 Benchmark]: RCFGBuilder took 185.12 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 242.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:57,986 INFO L168 Benchmark]: TraceAbstraction took 204.09 ms. Allocated memory is still 255.9 MB. Free memory was 241.6 MB in the beginning and 229.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-11 14:15:57,989 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 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 92.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.70 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 846.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 185.12 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 242.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 204.09 ms. Allocated memory is still 255.9 MB. Free memory was 241.6 MB in the beginning and 229.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.7ms, 10 PlacesBefore, 8 PlacesAfterwards, 6 TransitionsBefore, 4 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 7 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 131.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 3.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 123.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred 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...