/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-PN-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 22:33:16,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 22:33:16,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 22:33:16,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 22:33:16,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 22:33:16,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 22:33:16,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 22:33:16,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 22:33:16,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 22:33:16,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 22:33:16,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 22:33:16,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 22:33:16,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 22:33:16,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 22:33:16,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 22:33:16,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 22:33:16,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 22:33:16,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 22:33:16,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 22:33:16,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 22:33:16,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 22:33:16,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 22:33:16,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 22:33:16,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 22:33:16,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 22:33:16,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 22:33:16,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 22:33:16,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 22:33:16,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 22:33:16,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 22:33:16,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 22:33:16,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 22:33:16,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 22:33:16,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 22:33:16,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 22:33:16,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 22:33:16,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 22:33:16,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 22:33:16,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 22:33:16,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 22:33:16,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 22:33:16,245 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-SemanticLbe.epf [2021-03-11 22:33:16,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 22:33:16,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 22:33:16,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 22:33:16,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 22:33:16,283 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 22:33:16,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 22:33:16,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 22:33:16,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 22:33:16,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 22:33:16,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 22:33:16,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 22:33:16,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 22:33:16,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 22:33:16,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 22:33:16,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 22:33:16,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 22:33:16,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 22:33:16,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 22:33:16,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 22:33:16,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 22:33:16,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 22:33:16,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 22:33:16,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 22:33:16,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 22:33:16,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 22:33:16,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 22:33:16,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 22:33:16,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 22:33:16,606 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 22:33:16,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl [2021-03-11 22:33:16,607 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/atomic.bpl' [2021-03-11 22:33:16,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 22:33:16,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 22:33:16,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 22:33:16,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 22:33:16,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 22:33:16,664 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 10:33:16" (1/1) ... [2021-03-11 22:33:16,669 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 10:33:16" (1/1) ... [2021-03-11 22:33:16,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 22:33:16,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 22:33:16,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 22:33:16,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 22:33:16,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/1) ... [2021-03-11 22:33:16,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 22:33:16,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 22:33:16,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 22:33:16,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 22:33:16,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (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 22:33:16,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2021-03-11 22:33:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 22:33:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 22:33:16,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 22:33:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 22:33:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 22:33:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-03-11 22:33:16,764 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 22:33:16,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 22:33:16,894 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 22:33:16,896 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:33:16 BoogieIcfgContainer [2021-03-11 22:33:16,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 22:33:16,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 22:33:16,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 22:33:16,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 22:33:16,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 10:33:16" (1/2) ... [2021-03-11 22:33:16,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e06cf5 and model type atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:33:16, skipping insertion in model container [2021-03-11 22:33:16,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:33:16" (2/2) ... [2021-03-11 22:33:16,904 INFO L111 eAbstractionObserver]: Analyzing ICFG atomic.bpl [2021-03-11 22:33:16,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 22:33:16,914 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 22:33:16,915 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 22:33:16,945 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 22:33:16,961 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-11 22:33:16,995 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 22:33:16,996 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 22:33:16,996 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 22:33:16,996 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 22:33:16,997 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 22:33:16,997 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 22:33:16,997 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 22:33:16,997 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 22:33:17,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 10 places, 6 transitions, 17 flow [2021-03-11 22:33:17,018 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-03-11 22:33:17,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:33:17,020 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 22:33:17,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 10 places, 6 transitions, 17 flow [2021-03-11 22:33:17,022 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-03-11 22:33:17,026 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 22:33:17,035 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2021-03-11 22:33:17,039 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2021-03-11 22:33:17,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-11 22:33:17,040 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 22:33:17,040 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:33:17,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-11 22:33:17,041 INFO L116 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-11 22:33:17,041 INFO L131 LiptonReduction]: Checked pairs total: 0 [2021-03-11 22:33:17,042 INFO L133 LiptonReduction]: Total number of compositions: 0 [2021-03-11 22:33:17,043 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-11 22:33:17,051 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 22:33:17,052 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:33:17,054 INFO L202 PluginConnector]: Adding new model atomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:33:17 BasicIcfg [2021-03-11 22:33:17,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 22:33:17,057 INFO L168 Benchmark]: Toolchain (without parser) took 411.20 ms. Allocated memory is still 333.4 MB. Free memory was 314.1 MB in the beginning and 293.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-11 22:33:17,058 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory was 315.1 MB in the beginning and 315.0 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:33:17,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 333.4 MB. Free memory was 313.6 MB in the beginning and 312.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 22:33:17,061 INFO L168 Benchmark]: Boogie Preprocessor took 17.15 ms. Allocated memory is still 333.4 MB. Free memory was 312.1 MB in the beginning and 311.3 MB in the end (delta: 809.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:33:17,062 INFO L168 Benchmark]: RCFGBuilder took 200.83 ms. Allocated memory is still 333.4 MB. Free memory was 311.2 MB in the beginning and 302.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-11 22:33:17,062 INFO L168 Benchmark]: TraceAbstraction took 156.71 ms. Allocated memory is still 333.4 MB. Free memory was 301.9 MB in the beginning and 293.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-11 22:33:17,069 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 333.4 MB. Free memory was 315.1 MB in the beginning and 315.0 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 333.4 MB. Free memory was 313.6 MB in the beginning and 312.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.15 ms. Allocated memory is still 333.4 MB. Free memory was 312.1 MB in the beginning and 311.3 MB in the end (delta: 809.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 200.83 ms. Allocated memory is still 333.4 MB. Free memory was 311.2 MB in the beginning and 302.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 156.71 ms. Allocated memory is still 333.4 MB. Free memory was 301.9 MB in the beginning and 293.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2ms, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 0 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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. EmptinessCheckTime: 1.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 63.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 53.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...