./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_06-ptra_nr.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/goblint-regression/09-regions_06-ptra_nr.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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --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 21:19:08,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 21:19:08,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 21:19:08,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 21:19:08,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 21:19:08,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 21:19:08,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 21:19:08,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 21:19:08,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 21:19:08,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 21:19:08,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 21:19:08,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 21:19:08,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 21:19:08,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 21:19:08,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 21:19:08,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 21:19:08,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 21:19:08,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 21:19:08,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 21:19:08,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 21:19:08,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 21:19:08,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 21:19:08,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 21:19:08,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 21:19:08,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 21:19:08,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 21:19:08,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 21:19:08,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 21:19:08,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 21:19:08,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 21:19:08,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 21:19:08,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 21:19:08,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 21:19:08,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 21:19:08,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 21:19:08,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 21:19:08,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 21:19:08,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 21:19:08,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 21:19:08,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 21:19:08,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 21:19:08,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-29 21:19:08,377 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 21:19:08,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 21:19:08,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 21:19:08,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 21:19:08,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 21:19:08,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 21:19:08,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 21:19:08,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 21:19:08,381 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 21:19:08,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 21:19:08,382 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 21:19:08,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 21:19:08,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 21:19:08,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-29 21:19:08,383 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 21:19:08,384 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 21:19:08,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 21:19:08,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 21:19:08,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 21:19:08,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:19:08,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 21:19:08,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 21:19:08,386 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 21:19:08,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 21:19:08,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 21:19:08,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 21:19:08,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 21:19:08,703 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 21:19:08,704 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 21:19:08,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_06-ptra_nr.i [2023-08-29 21:19:09,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 21:19:09,957 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 21:19:09,958 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_06-ptra_nr.i [2023-08-29 21:19:09,975 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55258b237/add3e34aa04d4d6cadc246b35dbe1601/FLAG944897e0d [2023-08-29 21:19:09,985 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55258b237/add3e34aa04d4d6cadc246b35dbe1601 [2023-08-29 21:19:09,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 21:19:09,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 21:19:09,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 21:19:09,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 21:19:09,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 21:19:09,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:19:09" (1/1) ... [2023-08-29 21:19:09,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28af2002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:09, skipping insertion in model container [2023-08-29 21:19:09,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:19:09" (1/1) ... [2023-08-29 21:19:09,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 21:19:10,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:19:10,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:19:10,457 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 21:19:10,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c045c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:10, skipping insertion in model container [2023-08-29 21:19:10,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 21:19:10,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-29 21:19:10,460 INFO L158 Benchmark]: Toolchain (without parser) took 471.43ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 52.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 21:19:10,461 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 21:19:10,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.92ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 52.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 21:19:10,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.92ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 52.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1239]: 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/goblint-regression/09-regions_06-ptra_nr.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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --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 21:19:11,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 21:19:11,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 21:19:12,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 21:19:12,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 21:19:12,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 21:19:12,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 21:19:12,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 21:19:12,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 21:19:12,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 21:19:12,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 21:19:12,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 21:19:12,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 21:19:12,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 21:19:12,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 21:19:12,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 21:19:12,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 21:19:12,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 21:19:12,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 21:19:12,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 21:19:12,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 21:19:12,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 21:19:12,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 21:19:12,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 21:19:12,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 21:19:12,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 21:19:12,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 21:19:12,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 21:19:12,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 21:19:12,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 21:19:12,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 21:19:12,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 21:19:12,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 21:19:12,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 21:19:12,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 21:19:12,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 21:19:12,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 21:19:12,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 21:19:12,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 21:19:12,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 21:19:12,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 21:19:12,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-29 21:19:12,105 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 21:19:12,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 21:19:12,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 21:19:12,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 21:19:12,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 21:19:12,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 21:19:12,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 21:19:12,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 21:19:12,108 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 21:19:12,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 21:19:12,109 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-29 21:19:12,110 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 21:19:12,111 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 21:19:12,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:19:12,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 21:19:12,112 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 21:19:12,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 21:19:12,113 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 21:19:12,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 21:19:12,113 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 21:19:12,113 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 21:19:12,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 21:19:12,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 21:19:12,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 21:19:12,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 21:19:12,382 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 21:19:12,382 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 21:19:12,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_06-ptra_nr.i [2023-08-29 21:19:13,452 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 21:19:13,708 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 21:19:13,708 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_06-ptra_nr.i [2023-08-29 21:19:13,726 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd2c947/32d0f720adcc43dd94a882a2a61dde56/FLAG69bcc0e37 [2023-08-29 21:19:13,736 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd2c947/32d0f720adcc43dd94a882a2a61dde56 [2023-08-29 21:19:13,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 21:19:13,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 21:19:13,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 21:19:13,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 21:19:13,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 21:19:13,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:19:13" (1/1) ... [2023-08-29 21:19:13,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52244c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:13, skipping insertion in model container [2023-08-29 21:19:13,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:19:13" (1/1) ... [2023-08-29 21:19:13,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 21:19:13,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:19:14,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:19:14,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-29 21:19:14,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 21:19:14,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:19:14,296 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 21:19:14,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 21:19:14,401 INFO L208 MainTranslator]: Completed translation [2023-08-29 21:19:14,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14 WrapperNode [2023-08-29 21:19:14,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 21:19:14,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 21:19:14,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 21:19:14,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 21:19:14,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,468 INFO L138 Inliner]: procedures = 369, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2023-08-29 21:19:14,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 21:19:14,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 21:19:14,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 21:19:14,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 21:19:14,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 21:19:14,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 21:19:14,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 21:19:14,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 21:19:14,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (1/1) ... [2023-08-29 21:19:14,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 21:19:14,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 21:19:14,559 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 21:19:14,565 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 21:19:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 21:19:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 21:19:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 21:19:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 21:19:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 21:19:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 21:19:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 21:19:14,592 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 21:19:14,779 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 21:19:14,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 21:19:15,136 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 21:19:15,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 21:19:15,141 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 21:19:15,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:19:15 BoogieIcfgContainer [2023-08-29 21:19:15,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 21:19:15,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 21:19:15,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 21:19:15,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 21:19:15,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:19:13" (1/3) ... [2023-08-29 21:19:15,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c48df58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:19:15, skipping insertion in model container [2023-08-29 21:19:15,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:19:14" (2/3) ... [2023-08-29 21:19:15,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c48df58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:19:15, skipping insertion in model container [2023-08-29 21:19:15,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:19:15" (3/3) ... [2023-08-29 21:19:15,147 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2023-08-29 21:19:15,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 21:19:15,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2023-08-29 21:19:15,158 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 21:19:15,204 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 21:19:15,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 139 transitions, 283 flow [2023-08-29 21:19:15,288 INFO L130 PetriNetUnfolder]: 0/138 cut-off events. [2023-08-29 21:19:15,289 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 21:19:15,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 138 events. 0/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 156 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 21:19:15,292 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 139 transitions, 283 flow [2023-08-29 21:19:15,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 138 transitions, 279 flow [2023-08-29 21:19:15,297 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 21:19:15,302 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 138 transitions, 279 flow [2023-08-29 21:19:15,304 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 138 transitions, 279 flow [2023-08-29 21:19:15,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 138 transitions, 279 flow [2023-08-29 21:19:15,322 INFO L130 PetriNetUnfolder]: 0/138 cut-off events. [2023-08-29 21:19:15,322 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 21:19:15,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 138 events. 0/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 156 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 21:19:15,323 INFO L119 LiptonReduction]: Number of co-enabled transitions 1750 [2023-08-29 21:19:48,909 WARN L222 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:19:59,077 WARN L222 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:20:09,132 WARN L222 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:20:18,639 WARN L222 SmtUtils]: Spent 9.51s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:21:16,027 WARN L222 SmtUtils]: Spent 45.09s on a formula simplification. DAG size of input: 168 DAG size of output: 160 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:21:32,626 WARN L222 SmtUtils]: Spent 16.60s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:22:19,585 WARN L222 SmtUtils]: Spent 46.96s on a formula simplification. DAG size of input: 168 DAG size of output: 164 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:22:35,574 WARN L222 SmtUtils]: Spent 15.99s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:23:21,582 WARN L222 SmtUtils]: Spent 46.01s on a formula simplification. DAG size of input: 172 DAG size of output: 168 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:23:40,774 WARN L222 SmtUtils]: Spent 19.19s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:24:30,226 WARN L222 SmtUtils]: Spent 49.45s on a formula simplification. DAG size of input: 172 DAG size of output: 164 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:24:54,295 WARN L222 SmtUtils]: Spent 24.07s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:28:55,955 WARN L222 SmtUtils]: Spent 4.03m on a formula simplification. DAG size of input: 211 DAG size of output: 207 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:30:23,434 WARN L222 SmtUtils]: Spent 1.46m on a formula simplification that was a NOOP. DAG size: 199 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 21:33:24,604 WARN L222 SmtUtils]: Spent 3.02m on a formula simplification. DAG size of input: 211 DAG size of output: 203 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15