./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 21:04:21,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 21:04:21,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 21:04:21,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 21:04:21,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 21:04:21,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 21:04:21,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 21:04:21,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 21:04:21,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 21:04:21,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 21:04:21,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 21:04:21,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 21:04:21,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 21:04:21,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 21:04:21,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 21:04:21,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 21:04:21,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 21:04:21,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 21:04:21,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 21:04:21,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 21:04:21,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 21:04:21,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 21:04:21,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 21:04:21,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 21:04:21,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 21:04:21,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 21:04:21,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 21:04:21,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 21:04:21,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 21:04:21,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 21:04:21,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 21:04:21,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 21:04:21,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 21:04:21,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 21:04:21,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 21:04:21,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 21:04:21,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 21:04:21,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 21:04:21,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 21:04:21,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 21:04:21,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 21:04:21,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-29 21:04:21,674 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 21:04:21,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 21:04:21,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 21:04:21,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 21:04:21,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 21:04:21,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 21:04:21,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 21:04:21,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 21:04:21,676 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 21:04:21,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 21:04:21,676 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 21:04:21,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 21:04:21,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 21:04:21,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-29 21:04:21,678 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 21:04:21,678 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 21:04:21,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 21:04:21,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 21:04:21,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 21:04:21,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:04:21,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 21:04:21,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 21:04:21,680 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 21:04:21,680 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 21:04:21,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 21:04:21,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 21:04:21,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 21:04:21,932 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 21:04:21,932 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 21:04:21,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 21:04:23,128 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 21:04:23,375 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 21:04:23,376 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 21:04:23,389 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1d17dab/fe35916a80384c09867a593aee9e0c2c/FLAG23faf7d76 [2023-08-29 21:04:23,398 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1d17dab/fe35916a80384c09867a593aee9e0c2c [2023-08-29 21:04:23,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 21:04:23,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 21:04:23,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 21:04:23,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 21:04:23,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 21:04:23,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:04:23" (1/1) ... [2023-08-29 21:04:23,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232920c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:23, skipping insertion in model container [2023-08-29 21:04:23,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:04:23" (1/1) ... [2023-08-29 21:04:23,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 21:04:23,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:04:23,885 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-08-29 21:04:23,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:04:23,922 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-08-29 21:04:23,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26e6f7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:23, skipping insertion in model container [2023-08-29 21:04:23,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 21:04:23,925 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-29 21:04:23,926 INFO L158 Benchmark]: Toolchain (without parser) took 525.11ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.7MB in the end (delta: 2.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-08-29 21:04:23,926 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 21:04:23,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.70ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-08-29 21:04:23,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.70ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 21:04:25,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 21:04:25,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 21:04:25,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 21:04:25,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 21:04:25,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 21:04:25,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 21:04:25,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 21:04:25,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 21:04:25,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 21:04:25,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 21:04:25,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 21:04:25,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 21:04:25,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 21:04:25,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 21:04:25,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 21:04:25,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 21:04:25,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 21:04:25,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 21:04:25,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 21:04:25,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 21:04:25,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 21:04:25,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 21:04:25,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 21:04:25,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 21:04:25,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 21:04:25,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 21:04:25,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 21:04:25,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 21:04:25,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 21:04:25,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 21:04:25,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 21:04:25,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 21:04:25,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 21:04:25,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 21:04:25,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 21:04:25,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 21:04:25,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 21:04:25,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 21:04:25,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 21:04:25,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 21:04:25,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-29 21:04:25,448 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 21:04:25,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 21:04:25,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 21:04:25,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 21:04:25,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 21:04:25,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 21:04:25,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 21:04:25,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 21:04:25,451 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 21:04:25,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 21:04:25,452 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 21:04:25,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 21:04:25,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 21:04:25,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 21:04:25,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 21:04:25,453 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 21:04:25,454 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 21:04:25,454 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 21:04:25,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 21:04:25,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 21:04:25,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 21:04:25,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:04:25,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 21:04:25,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 21:04:25,456 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 21:04:25,456 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 21:04:25,456 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 21:04:25,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 21:04:25,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 21:04:25,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 21:04:25,704 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 21:04:25,704 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 21:04:25,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 21:04:26,722 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 21:04:26,945 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 21:04:26,945 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 21:04:26,956 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae3a9e3f/6cfdb9043db3482f99143ecc3aaa5cff/FLAGe258b46c0 [2023-08-29 21:04:26,967 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae3a9e3f/6cfdb9043db3482f99143ecc3aaa5cff [2023-08-29 21:04:26,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 21:04:26,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 21:04:26,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 21:04:26,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 21:04:26,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 21:04:26,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:04:26" (1/1) ... [2023-08-29 21:04:26,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b605a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:26, skipping insertion in model container [2023-08-29 21:04:26,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:04:26" (1/1) ... [2023-08-29 21:04:26,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 21:04:27,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:04:27,503 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-08-29 21:04:27,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:04:27,543 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-29 21:04:27,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:04:27,607 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-08-29 21:04:27,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:04:27,634 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 21:04:27,676 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-08-29 21:04:27,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:04:27,765 WARN L667 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 21:04:27,769 INFO L208 MainTranslator]: Completed translation [2023-08-29 21:04:27,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27 WrapperNode [2023-08-29 21:04:27,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 21:04:27,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 21:04:27,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 21:04:27,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 21:04:27,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,825 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 465 [2023-08-29 21:04:27,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 21:04:27,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 21:04:27,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 21:04:27,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 21:04:27,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,855 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 21:04:27,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 21:04:27,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 21:04:27,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 21:04:27,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (1/1) ... [2023-08-29 21:04:27,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:04:27,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 21:04:27,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 21:04:27,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 21:04:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-08-29 21:04:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 21:04:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 21:04:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 21:04:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 21:04:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 21:04:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 21:04:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-08-29 21:04:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-08-29 21:04:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 21:04:27,997 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 21:04:28,179 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 21:04:28,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 21:04:29,476 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 21:04:29,485 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 21:04:29,487 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-29 21:04:29,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:04:29 BoogieIcfgContainer [2023-08-29 21:04:29,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 21:04:29,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 21:04:29,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 21:04:29,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 21:04:29,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:04:26" (1/3) ... [2023-08-29 21:04:29,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c95ce99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:04:29, skipping insertion in model container [2023-08-29 21:04:29,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:04:27" (2/3) ... [2023-08-29 21:04:29,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c95ce99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:04:29, skipping insertion in model container [2023-08-29 21:04:29,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:04:29" (3/3) ... [2023-08-29 21:04:29,497 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-08-29 21:04:29,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 21:04:29,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2023-08-29 21:04:29,512 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 21:04:29,647 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 21:04:29,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,014 INFO L130 PetriNetUnfolder]: 109/1432 cut-off events. [2023-08-29 21:04:30,015 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 21:04:30,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 1432 events. 109/1432 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10180 event pairs, 0 based on Foata normal form. 0/939 useless extension candidates. Maximal degree in co-relation 751. Up to 16 conditions per place. [2023-08-29 21:04:30,036 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,062 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,067 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 21:04:30,075 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,080 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 639 transitions, 1300 flow [2023-08-29 21:04:30,357 INFO L130 PetriNetUnfolder]: 109/1432 cut-off events. [2023-08-29 21:04:30,357 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 21:04:30,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 1432 events. 109/1432 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10180 event pairs, 0 based on Foata normal form. 0/939 useless extension candidates. Maximal degree in co-relation 751. Up to 16 conditions per place. [2023-08-29 21:04:30,461 INFO L119 LiptonReduction]: Number of co-enabled transitions 192884 [2023-08-29 21:05:46,297 WARN L222 SmtUtils]: Spent 25.96s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:05:57,384 WARN L222 SmtUtils]: Spent 11.08s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:06:23,044 WARN L222 SmtUtils]: Spent 25.66s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:06:31,921 WARN L222 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:07:02,018 WARN L222 SmtUtils]: Spent 27.93s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:07:14,234 WARN L222 SmtUtils]: Spent 12.21s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:07:43,091 WARN L222 SmtUtils]: Spent 28.86s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:07:52,937 WARN L222 SmtUtils]: Spent 9.84s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:08:35,250 WARN L222 SmtUtils]: Spent 15.65s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:08:49,043 WARN L222 SmtUtils]: Spent 13.79s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:09:07,211 WARN L222 SmtUtils]: Spent 18.17s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:09:22,592 WARN L222 SmtUtils]: Spent 15.38s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:10:23,122 WARN L222 SmtUtils]: Spent 36.55s on a formula simplification. DAG size of input: 155 DAG size of output: 154 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:10:38,773 WARN L222 SmtUtils]: Spent 15.65s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:11:14,792 WARN L222 SmtUtils]: Spent 36.02s on a formula simplification. DAG size of input: 155 DAG size of output: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:11:28,102 WARN L222 SmtUtils]: Spent 13.31s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:13:28,062 WARN L222 SmtUtils]: Spent 2.00m on a formula simplification. DAG size of input: 185 DAG size of output: 184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:14:20,124 WARN L222 SmtUtils]: Spent 52.06s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:16:15,817 WARN L222 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 185 DAG size of output: 184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:17:14,967 WARN L222 SmtUtils]: Spent 59.15s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:17:37,367 WARN L222 SmtUtils]: Spent 13.90s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:17:50,652 WARN L222 SmtUtils]: Spent 13.28s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:18:04,779 WARN L222 SmtUtils]: Spent 14.13s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:18:18,081 WARN L222 SmtUtils]: Spent 13.30s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15