./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.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/goblint-regression/28-race_reach_91-arrayloop2_racefree.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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --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 04:25:49,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:25:49,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:25:49,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:25:49,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:25:49,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:25:49,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:25:49,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:25:49,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:25:49,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:25:49,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:25:49,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:25:49,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:25:49,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:25:49,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:25:49,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:25:49,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:25:49,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:25:49,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:25:49,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:25:49,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:25:49,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:25:49,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:25:49,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:25:49,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:25:49,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:25:49,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:25:49,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:25:49,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:25:49,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:25:49,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:25:49,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:25:49,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:25:49,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:25:49,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:25:49,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:25:49,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:25:49,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:25:49,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:25:49,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:25:49,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:25:49,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 04:25:49,423 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:25:49,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:25:49,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:25:49,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:25:49,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:25:49,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:25:49,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:25:49,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:25:49,425 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:25:49,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:25:49,426 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:25:49,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:25:49,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:25:49,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:25:49,427 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:25:49,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:25:49,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:25:49,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:25:49,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:25:49,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:25:49,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:25:49,429 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:25:49,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:25:49,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:25:49,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:25:49,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:25:49,734 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:25:49,734 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:25:49,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-30 04:25:50,606 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:25:50,867 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:25:50,868 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-30 04:25:50,881 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8153fdfed/4ad18d6da2e64d6ab478340f8630ad7a/FLAG32d55f30b [2023-08-30 04:25:50,893 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8153fdfed/4ad18d6da2e64d6ab478340f8630ad7a [2023-08-30 04:25:50,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:25:50,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:25:50,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:25:50,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:25:50,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:25:50,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:25:50" (1/1) ... [2023-08-30 04:25:50,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4b61e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:50, skipping insertion in model container [2023-08-30 04:25:50,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:25:50" (1/1) ... [2023-08-30 04:25:50,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:25:50,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:25:51,197 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2023-08-30 04:25:51,208 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:51,208 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:51,209 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:51,210 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:51,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:25:51,255 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 04:25:51,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ca6b628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:51, skipping insertion in model container [2023-08-30 04:25:51,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:25:51,256 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 04:25:51,258 INFO L158 Benchmark]: Toolchain (without parser) took 361.83ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 37.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 04:25:51,258 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:25:51,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.03ms. Allocated memory is still 77.6MB. Free memory was 52.8MB in the beginning and 37.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 04:25:51,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.03ms. Allocated memory is still 77.6MB. Free memory was 52.8MB in the beginning and 37.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: 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/28-race_reach_91-arrayloop2_racefree.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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --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 04:25:52,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:25:52,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:25:52,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:25:52,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:25:52,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:25:52,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:25:52,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:25:52,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:25:52,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:25:52,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:25:52,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:25:52,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:25:52,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:25:52,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:25:52,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:25:52,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:25:52,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:25:52,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:25:52,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:25:52,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:25:52,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:25:52,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:25:52,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:25:52,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:25:52,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:25:52,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:25:52,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:25:52,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:25:52,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:25:52,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:25:52,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:25:52,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:25:52,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:25:52,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:25:52,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:25:52,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:25:52,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:25:52,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:25:52,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:25:52,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:25:52,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 04:25:52,766 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:25:52,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:25:52,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:25:52,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:25:52,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:25:52,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:25:52,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:25:52,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:25:52,768 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:25:52,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:25:52,769 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:25:52,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:25:52,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:25:52,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 04:25:52,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 04:25:52,771 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:25:52,771 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:25:52,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:25:52,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:25:52,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:25:52,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:25:52,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:25:52,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:25:52,773 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 04:25:52,773 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:25:52,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:25:52,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:25:53,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:25:53,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:25:53,006 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:25:53,007 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:25:53,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-30 04:25:53,960 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:25:54,197 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:25:54,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-30 04:25:54,212 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5ef88b/681a4303702d43bba343c3353e14ed59/FLAG7dab3ab0d [2023-08-30 04:25:54,225 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f5ef88b/681a4303702d43bba343c3353e14ed59 [2023-08-30 04:25:54,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:25:54,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:25:54,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:25:54,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:25:54,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:25:54,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ac8a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54, skipping insertion in model container [2023-08-30 04:25:54,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:25:54,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:25:54,607 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2023-08-30 04:25:54,622 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,622 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,622 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,623 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:25:54,695 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 04:25:54,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:25:54,737 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2023-08-30 04:25:54,744 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,745 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,745 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,746 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:25:54,776 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 04:25:54,802 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2023-08-30 04:25:54,818 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,819 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,819 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,819 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:25:54,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:25:54,888 INFO L208 MainTranslator]: Completed translation [2023-08-30 04:25:54,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54 WrapperNode [2023-08-30 04:25:54,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:25:54,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 04:25:54,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 04:25:54,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 04:25:54,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,957 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-08-30 04:25:54,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 04:25:54,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 04:25:54,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 04:25:54,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 04:25:54,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:54,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:55,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:55,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:55,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:55,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 04:25:55,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 04:25:55,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 04:25:55,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 04:25:55,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (1/1) ... [2023-08-30 04:25:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:25:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 04:25:55,038 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 04:25:55,044 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 04:25:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 04:25:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 04:25:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 04:25:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 04:25:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 04:25:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 04:25:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 04:25:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 04:25:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 04:25:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 04:25:55,067 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 04:25:55,219 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 04:25:55,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 04:25:55,672 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 04:25:55,677 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 04:25:55,677 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-30 04:25:55,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:25:55 BoogieIcfgContainer [2023-08-30 04:25:55,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 04:25:55,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 04:25:55,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 04:25:55,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 04:25:55,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:25:54" (1/3) ... [2023-08-30 04:25:55,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b9041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:25:55, skipping insertion in model container [2023-08-30 04:25:55,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:25:54" (2/3) ... [2023-08-30 04:25:55,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b9041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:25:55, skipping insertion in model container [2023-08-30 04:25:55,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:25:55" (3/3) ... [2023-08-30 04:25:55,683 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-08-30 04:25:55,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 04:25:55,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-08-30 04:25:55,694 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 04:25:55,772 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 04:25:55,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,874 INFO L130 PetriNetUnfolder]: 26/248 cut-off events. [2023-08-30 04:25:55,874 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2023-08-30 04:25:55,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 248 events. 26/248 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 833 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 127. Up to 4 conditions per place. [2023-08-30 04:25:55,880 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,889 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,891 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 04:25:55,900 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,903 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 225 transitions, 458 flow [2023-08-30 04:25:55,952 INFO L130 PetriNetUnfolder]: 26/248 cut-off events. [2023-08-30 04:25:55,952 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2023-08-30 04:25:55,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 248 events. 26/248 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 833 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 127. Up to 4 conditions per place. [2023-08-30 04:25:55,959 INFO L119 LiptonReduction]: Number of co-enabled transitions 5742 [2023-08-30 04:29:43,837 WARN L222 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 212 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:30:35,144 WARN L222 SmtUtils]: Spent 51.30s on a formula simplification that was a NOOP. DAG size: 200 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:32:13,697 WARN L222 SmtUtils]: Spent 1.64m on a formula simplification. DAG size of input: 212 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:33:10,837 WARN L222 SmtUtils]: Spent 57.14s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:33:18,498 WARN L222 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 170 DAG size of output: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:33:31,031 WARN L222 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 170 DAG size of output: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:33:44,646 WARN L222 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:33:57,590 WARN L222 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 174 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:34:09,736 WARN L222 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 155 DAG size of output: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:34:19,931 WARN L222 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 155 DAG size of output: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:34:31,480 WARN L222 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 158 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:34:42,899 WARN L222 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 158 DAG size of output: 154 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:37:34,486 WARN L222 SmtUtils]: Spent 2.80m on a formula simplification. DAG size of input: 221 DAG size of output: 217 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:38:50,053 WARN L222 SmtUtils]: Spent 1.26m on a formula simplification that was a NOOP. DAG size: 217 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15