/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:33:52,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:33:52,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:33:52,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:33:52,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:33:52,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:33:52,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:33:52,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:33:52,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:33:52,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:33:52,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:33:52,779 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:33:52,779 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:33:52,779 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:33:52,780 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:33:52,781 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:33:52,781 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:33:52,781 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:33:52,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:33:52,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:33:52,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:33:52,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:33:52,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:33:52,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:33:52,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:33:52,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:33:52,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:33:52,784 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:33:52,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:33:52,784 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:33:52,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:33:52,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:33:52,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:33:52,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:33:52,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:33:52,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:33:52,786 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:33:52,788 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:33:52,788 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:33:53,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:33:53,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:33:53,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:33:53,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:33:53,235 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:33:53,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2022-07-22 12:33:53,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a8a68d0/0fcf1040fa9c4649b8193d18bb56a44f/FLAGe38c99fd5 [2022-07-22 12:33:54,060 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:33:54,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2022-07-22 12:33:54,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a8a68d0/0fcf1040fa9c4649b8193d18bb56a44f/FLAGe38c99fd5 [2022-07-22 12:33:54,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a8a68d0/0fcf1040fa9c4649b8193d18bb56a44f [2022-07-22 12:33:54,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:33:54,296 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:33:54,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:33:54,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:33:54,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:33:54,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:54,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6379852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54, skipping insertion in model container [2022-07-22 12:33:54,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:54,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:33:54,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:33:54,600 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 12:33:54,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-07-22 12:33:54,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:33:54,834 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:33:54,853 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 12:33:54,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-07-22 12:33:54,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:33:54,971 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:33:54,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54 WrapperNode [2022-07-22 12:33:54,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:33:54,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:33:54,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:33:54,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:33:54,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,080 INFO L137 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2022-07-22 12:33:55,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:33:55,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:33:55,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:33:55,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:33:55,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:33:55,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:33:55,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:33:55,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:33:55,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (1/1) ... [2022-07-22 12:33:55,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:33:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:33:55,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:33:55,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:33:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:33:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:33:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:33:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:33:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-07-22 12:33:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-07-22 12:33:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:33:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:33:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:33:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:33:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:33:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:33:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-07-22 12:33:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-07-22 12:33:55,284 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:33:55,409 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:33:55,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:33:55,683 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:33:55,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:33:55,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:33:55,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:33:55 BoogieIcfgContainer [2022-07-22 12:33:55,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:33:55,809 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:33:55,809 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:33:55,816 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:33:55,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:33:55,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:33:54" (1/3) ... [2022-07-22 12:33:55,823 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77abb3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:33:55, skipping insertion in model container [2022-07-22 12:33:55,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:33:55,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:33:54" (2/3) ... [2022-07-22 12:33:55,824 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77abb3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:33:55, skipping insertion in model container [2022-07-22 12:33:55,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:33:55,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:33:55" (3/3) ... [2022-07-22 12:33:55,826 INFO L322 chiAutomizerObserver]: Analyzing ICFG read_write_lock-1.i [2022-07-22 12:33:56,042 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:33:56,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 260 flow [2022-07-22 12:33:56,161 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2022-07-22 12:33:56,161 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:33:56,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 106 events. 2/106 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-07-22 12:33:56,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 114 transitions, 260 flow [2022-07-22 12:33:56,191 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 106 transitions, 236 flow [2022-07-22 12:33:56,196 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:33:56,212 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 106 transitions, 236 flow [2022-07-22 12:33:56,216 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 106 transitions, 236 flow [2022-07-22 12:33:56,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 106 transitions, 236 flow [2022-07-22 12:33:56,276 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2022-07-22 12:33:56,276 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:33:56,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 106 events. 2/106 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-07-22 12:33:56,283 INFO L116 LiptonReduction]: Number of co-enabled transitions 2246 [2022-07-22 12:34:00,155 INFO L131 LiptonReduction]: Checked pairs total: 6575 [2022-07-22 12:34:00,156 INFO L133 LiptonReduction]: Total number of compositions: 74 [2022-07-22 12:34:00,179 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:34:00,179 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:34:00,180 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:34:00,180 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:34:00,180 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:34:00,180 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:34:00,180 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:34:00,180 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:34:00,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:34:00,625 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:34:00,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:34:00,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:34:00 BoogieIcfgContainer [2022-07-22 12:34:00,632 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:34:00,636 INFO L158 Benchmark]: Toolchain (without parser) took 6340.98ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 124.7MB in the beginning and 61.2MB in the end (delta: 63.5MB). Peak memory consumption was 94.8MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,637 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory was 122.5MB in the beginning and 122.1MB in the end (delta: 435.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:34:00,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.92ms. Allocated memory is still 151.0MB. Free memory was 124.3MB in the beginning and 104.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.16ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,642 INFO L158 Benchmark]: Boogie Preprocessor took 66.15ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,644 INFO L158 Benchmark]: RCFGBuilder took 654.72ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 119.9MB in the end (delta: -18.7MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,645 INFO L158 Benchmark]: BuchiAutomizer took 4823.26ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 119.4MB in the beginning and 61.2MB in the end (delta: 58.2MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. [2022-07-22 12:34:00,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory was 122.5MB in the beginning and 122.1MB in the end (delta: 435.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 673.92ms. Allocated memory is still 151.0MB. Free memory was 124.3MB in the beginning and 104.9MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 107.16ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.15ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 654.72ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 119.9MB in the end (delta: -18.7MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 4823.26ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 119.4MB in the beginning and 61.2MB in the end (delta: 58.2MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 4.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 117 PlacesBefore, 49 PlacesAfterwards, 106 TransitionsBefore, 37 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 6575 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3564, positive: 3379, positive conditional: 0, positive unconditional: 3379, negative: 185, negative conditional: 0, negative unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1208, positive: 1177, positive conditional: 0, positive unconditional: 1177, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3564, positive: 2202, positive conditional: 0, positive unconditional: 2202, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 184, Positive conditional cache size: 0, Positive unconditional cache size: 184, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:34:00,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...