./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 TOGETHER --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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 03:33:50,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 03:33:50,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 03:33:50,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 03:33:50,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 03:33:50,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 03:33:50,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 03:33:50,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 03:33:50,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 03:33:50,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 03:33:50,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 03:33:50,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 03:33:50,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 03:33:50,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 03:33:50,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 03:33:50,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 03:33:50,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 03:33:50,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 03:33:50,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 03:33:50,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 03:33:50,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 03:33:50,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 03:33:50,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 03:33:50,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 03:33:50,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 03:33:50,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 03:33:50,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 03:33:50,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 03:33:50,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 03:33:50,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 03:33:50,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 03:33:50,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 03:33:50,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 03:33:50,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 03:33:50,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 03:33:50,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 03:33:50,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 03:33:50,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 03:33:50,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 03:33:50,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 03:33:50,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 03:33:50,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 03:33:50,658 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 03:33:50,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 03:33:50,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 03:33:50,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 03:33:50,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 03:33:50,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 03:33:50,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 03:33:50,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 03:33:50,661 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 03:33:50,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 03:33:50,661 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 03:33:50,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 03:33:50,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 03:33:50,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 03:33:50,663 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 03:33:50,663 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 03:33:50,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 03:33:50,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 03:33:50,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 03:33:50,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 03:33:50,664 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 03:33:50,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 03:33:50,665 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 03:33:50,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 03:33:50,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 03:33:50,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 03:33:50,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 03:33:50,890 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 03:33:50,890 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 03:33:50,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-30 03:33:51,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 03:33:52,177 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 03:33:52,180 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-30 03:33:52,195 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee8d02cc/7eba787f9bb14f518b8a5f91521fc8d8/FLAGb466da1b2 [2023-08-30 03:33:52,206 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee8d02cc/7eba787f9bb14f518b8a5f91521fc8d8 [2023-08-30 03:33:52,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 03:33:52,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 03:33:52,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 03:33:52,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 03:33:52,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 03:33:52,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:33:52" (1/1) ... [2023-08-30 03:33:52,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1273cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:52, skipping insertion in model container [2023-08-30 03:33:52,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:33:52" (1/1) ... [2023-08-30 03:33:52,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 03:33:52,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 03:33:52,652 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] [2023-08-30 03:33:52,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 03:33:52,699 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) [2023-08-30 03:33:52,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78222d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:52, skipping insertion in model container [2023-08-30 03:33:52,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 03:33:52,704 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 03:33:52,705 INFO L158 Benchmark]: Toolchain (without parser) took 495.35ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 55.4MB in the end (delta: -1.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-08-30 03:33:52,706 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 03:33:52,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.93ms. Allocated memory is still 79.7MB. Free memory was 53.4MB in the beginning and 55.4MB in the end (delta: -1.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-08-30 03:33:52,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.93ms. Allocated memory is still 79.7MB. Free memory was 53.4MB in the beginning and 55.4MB in the end (delta: -1.9MB). Peak memory consumption was 24.5MB. 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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 03:33:54,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 03:33:54,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 03:33:54,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 03:33:54,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 03:33:54,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 03:33:54,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 03:33:54,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 03:33:54,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 03:33:54,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 03:33:54,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 03:33:54,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 03:33:54,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 03:33:54,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 03:33:54,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 03:33:54,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 03:33:54,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 03:33:54,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 03:33:54,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 03:33:54,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 03:33:54,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 03:33:54,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 03:33:54,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 03:33:54,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 03:33:54,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 03:33:54,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 03:33:54,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 03:33:54,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 03:33:54,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 03:33:54,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 03:33:54,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 03:33:54,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 03:33:54,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 03:33:54,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 03:33:54,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 03:33:54,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 03:33:54,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 03:33:54,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 03:33:54,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 03:33:54,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 03:33:54,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 03:33:54,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 03:33:54,181 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 03:33:54,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 03:33:54,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 03:33:54,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 03:33:54,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 03:33:54,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 03:33:54,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 03:33:54,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 03:33:54,184 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 03:33:54,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 03:33:54,185 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 03:33:54,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 03:33:54,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 03:33:54,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 03:33:54,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 03:33:54,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 03:33:54,187 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 03:33:54,187 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 03:33:54,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 03:33:54,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 03:33:54,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 03:33:54,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 03:33:54,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 03:33:54,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 03:33:54,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 03:33:54,189 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 03:33:54,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 03:33:54,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 03:33:54,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 03:33:54,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 03:33:54,462 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 03:33:54,463 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 03:33:54,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-30 03:33:55,431 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 03:33:55,715 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 03:33:55,716 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-30 03:33:55,737 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc12d2f1a/a3a544284aad4c95b6112182ed0da4df/FLAG63f7d8506 [2023-08-30 03:33:55,764 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc12d2f1a/a3a544284aad4c95b6112182ed0da4df [2023-08-30 03:33:55,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 03:33:55,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 03:33:55,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 03:33:55,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 03:33:55,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 03:33:55,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:33:55" (1/1) ... [2023-08-30 03:33:55,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a2f2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:55, skipping insertion in model container [2023-08-30 03:33:55,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:33:55" (1/1) ... [2023-08-30 03:33:55,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 03:33:55,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 03:33:56,320 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] [2023-08-30 03:33:56,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 03:33:56,356 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 03:33:56,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 03:33:56,412 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] [2023-08-30 03:33:56,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 03:33:56,433 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 03:33:56,477 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] [2023-08-30 03:33:56,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 03:33:56,559 WARN L667 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 03:33:56,564 INFO L208 MainTranslator]: Completed translation [2023-08-30 03:33:56,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56 WrapperNode [2023-08-30 03:33:56,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 03:33:56,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 03:33:56,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 03:33:56,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 03:33:56,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,623 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 465 [2023-08-30 03:33:56,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 03:33:56,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 03:33:56,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 03:33:56,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 03:33:56,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 03:33:56,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 03:33:56,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 03:33:56,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 03:33:56,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (1/1) ... [2023-08-30 03:33:56,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 03:33:56,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 03:33:56,706 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) [2023-08-30 03:33:56,712 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 [2023-08-30 03:33:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-08-30 03:33:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-08-30 03:33:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 03:33:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 03:33:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 03:33:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 03:33:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 03:33:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 03:33:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-08-30 03:33:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-08-30 03:33:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 03:33:56,736 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 03:33:56,927 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 03:33:56,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 03:33:58,125 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 03:33:58,131 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 03:33:58,131 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 03:33:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:33:58 BoogieIcfgContainer [2023-08-30 03:33:58,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 03:33:58,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 03:33:58,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 03:33:58,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 03:33:58,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:33:55" (1/3) ... [2023-08-30 03:33:58,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efcd105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:33:58, skipping insertion in model container [2023-08-30 03:33:58,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:33:56" (2/3) ... [2023-08-30 03:33:58,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efcd105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:33:58, skipping insertion in model container [2023-08-30 03:33:58,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:33:58" (3/3) ... [2023-08-30 03:33:58,138 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-08-30 03:33:58,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 03:33:58,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2023-08-30 03:33:58,148 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 03:33:58,304 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 03:33:58,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,660 INFO L130 PetriNetUnfolder]: 109/1432 cut-off events. [2023-08-30 03:33:58,660 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 03:33:58,683 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. [2023-08-30 03:33:58,683 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,713 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 03:33:58,721 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,724 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 639 transitions, 1300 flow [2023-08-30 03:33:58,969 INFO L130 PetriNetUnfolder]: 109/1432 cut-off events. [2023-08-30 03:33:58,970 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 03:33:58,992 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. [2023-08-30 03:33:59,067 INFO L119 LiptonReduction]: Number of co-enabled transitions 192884 [2023-08-30 03:35:14,506 WARN L222 SmtUtils]: Spent 26.83s 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) [2023-08-30 03:35:26,001 WARN L222 SmtUtils]: Spent 11.49s 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) [2023-08-30 03:35:51,969 WARN L222 SmtUtils]: Spent 25.97s 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) [2023-08-30 03:36:00,920 WARN L222 SmtUtils]: Spent 8.95s 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) [2023-08-30 03:36:30,699 WARN L222 SmtUtils]: Spent 27.78s 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) [2023-08-30 03:36:43,161 WARN L222 SmtUtils]: Spent 12.46s 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) [2023-08-30 03:37:12,428 WARN L222 SmtUtils]: Spent 29.26s 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) [2023-08-30 03:37:22,360 WARN L222 SmtUtils]: Spent 9.93s 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) [2023-08-30 03:38:01,152 WARN L222 SmtUtils]: Spent 12.56s 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) [2023-08-30 03:38:12,491 WARN L222 SmtUtils]: Spent 11.34s 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) [2023-08-30 03:38:26,615 WARN L222 SmtUtils]: Spent 14.12s 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) [2023-08-30 03:38:38,268 WARN L222 SmtUtils]: Spent 11.65s 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) [2023-08-30 03:39:39,414 WARN L222 SmtUtils]: Spent 37.07s 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) [2023-08-30 03:39:55,751 WARN L222 SmtUtils]: Spent 16.34s 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) [2023-08-30 03:40:33,724 WARN L222 SmtUtils]: Spent 37.97s 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) [2023-08-30 03:40:47,697 WARN L222 SmtUtils]: Spent 13.97s 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) [2023-08-30 03:42:43,381 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) [2023-08-30 03:43:44,886 WARN L222 SmtUtils]: Spent 1.03m 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) [2023-08-30 03:45:48,339 WARN L222 SmtUtils]: Spent 2.06m 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) [2023-08-30 03:46:42,532 WARN L222 SmtUtils]: Spent 54.19s 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) [2023-08-30 03:47:03,923 WARN L222 SmtUtils]: Spent 12.83s 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) [2023-08-30 03:47:17,251 WARN L222 SmtUtils]: Spent 13.33s 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) [2023-08-30 03:47:30,551 WARN L222 SmtUtils]: Spent 13.30s 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) [2023-08-30 03:47:45,672 WARN L222 SmtUtils]: Spent 15.12s 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