./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_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_93-evilcollapse_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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --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 04:29:11,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:29:11,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:29:11,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:29:11,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:29:11,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:29:11,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:29:11,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:29:11,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:29:11,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:29:11,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:29:11,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:29:11,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:29:11,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:29:11,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:29:11,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:29:11,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:29:11,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:29:11,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:29:11,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:29:11,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:29:11,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:29:11,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:29:11,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:29:11,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:29:11,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:29:11,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:29:11,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:29:11,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:29:11,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:29:11,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:29:11,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:29:11,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:29:11,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:29:11,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:29:11,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:29:11,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:29:11,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:29:11,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:29:11,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:29:11,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:29:11,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 04:29:11,793 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:29:11,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:29:11,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:29:11,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:29:11,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:29:11,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:29:11,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:29:11,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:29:11,797 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:29:11,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:29:11,798 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:29:11,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:29:11,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:29:11,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:29:11,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:29:11,799 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:29:11,799 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:29:11,800 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:29:11,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:29:11,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:29:11,800 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:29:11,800 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:29:11,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:29:11,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:29:11,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:29:11,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:29:11,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:29:11,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:29:11,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 04:29:11,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 04:29:11,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:29:11,802 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:29:11,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:29:11,803 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:29:11,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:29:12,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:29:12,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:29:12,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:29:12,140 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:29:12,141 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:29:12,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-30 04:29:13,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:29:13,654 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:29:13,655 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-30 04:29:13,680 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c39d1947/90337e6f18fc40ee969364b828a38191/FLAG06259f27a [2023-08-30 04:29:13,701 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c39d1947/90337e6f18fc40ee969364b828a38191 [2023-08-30 04:29:13,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:29:13,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:29:13,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:29:13,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:29:13,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:29:13,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:29:13" (1/1) ... [2023-08-30 04:29:13,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2a019a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:13, skipping insertion in model container [2023-08-30 04:29:13,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:29:13" (1/1) ... [2023-08-30 04:29:13,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:29:13,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:29:14,204 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-30 04:29:14,217 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:14,218 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:14,219 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:14,220 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:14,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:29:14,275 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 04:29:14,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8db836a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:14, skipping insertion in model container [2023-08-30 04:29:14,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:29:14,276 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 04:29:14,278 INFO L158 Benchmark]: Toolchain (without parser) took 572.25ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 45.0MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 04:29:14,278 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:29:14,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.93ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 45.0MB in the end (delta: -5.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 04:29:14,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.93ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 45.0MB in the end (delta: -5.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1058]: 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_93-evilcollapse_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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --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 04:29:16,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:29:16,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:29:16,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:29:16,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:29:16,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:29:16,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:29:16,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:29:16,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:29:16,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:29:16,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:29:16,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:29:16,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:29:16,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:29:16,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:29:16,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:29:16,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:29:16,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:29:16,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:29:16,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:29:16,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:29:16,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:29:16,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:29:16,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:29:16,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:29:16,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:29:16,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:29:16,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:29:16,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:29:16,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:29:16,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:29:16,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:29:16,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:29:16,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:29:16,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:29:16,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:29:16,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:29:16,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:29:16,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:29:16,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:29:16,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:29:16,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 04:29:16,183 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:29:16,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:29:16,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:29:16,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:29:16,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:29:16,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:29:16,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:29:16,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:29:16,187 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:29:16,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:29:16,188 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:29:16,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:29:16,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:29:16,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:29:16,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:29:16,190 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:29:16,190 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:29:16,190 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:29:16,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:29:16,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:29:16,191 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 04:29:16,191 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 04:29:16,191 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:29:16,192 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:29:16,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:29:16,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:29:16,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:29:16,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:29:16,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:29:16,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:29:16,193 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 04:29:16,194 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 04:29:16,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:29:16,194 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:29:16,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:29:16,195 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 04:29:16,195 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:29:16,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:29:16,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:29:16,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:29:16,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:29:16,553 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:29:16,553 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:29:16,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-30 04:29:17,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:29:18,143 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:29:18,144 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-30 04:29:18,165 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99889d45/1f1a796e6f8e4209b79a08c710cd77df/FLAGfdf9c6f18 [2023-08-30 04:29:18,180 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99889d45/1f1a796e6f8e4209b79a08c710cd77df [2023-08-30 04:29:18,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:29:18,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:29:18,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:29:18,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:29:18,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:29:18,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:18,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50129402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18, skipping insertion in model container [2023-08-30 04:29:18,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:18,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:29:18,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:29:18,643 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-30 04:29:18,665 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,666 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,666 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,666 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:29:18,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 04:29:18,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:29:18,771 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-30 04:29:18,779 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,779 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,779 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,780 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:29:18,818 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 04:29:18,865 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-30 04:29:18,868 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,869 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,870 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,870 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-30 04:29:18,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:29:18,958 INFO L208 MainTranslator]: Completed translation [2023-08-30 04:29:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18 WrapperNode [2023-08-30 04:29:18,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:29:18,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 04:29:18,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 04:29:18,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 04:29:18,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,049 INFO L138 Inliner]: procedures = 283, calls = 51, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 224 [2023-08-30 04:29:19,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 04:29:19,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 04:29:19,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 04:29:19,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 04:29:19,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 04:29:19,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 04:29:19,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 04:29:19,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 04:29:19,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (1/1) ... [2023-08-30 04:29:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:29:19,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 04:29:19,142 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 04:29:19,170 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 04:29:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 04:29:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 04:29:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 04:29:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 04:29:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 04:29:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 04:29:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 04:29:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 04:29:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 04:29:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 04:29:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 04:29:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 04:29:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 04:29:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 04:29:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 04:29:19,191 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 04:29:19,404 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 04:29:19,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 04:29:20,032 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 04:29:20,039 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 04:29:20,039 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-30 04:29:20,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:29:20 BoogieIcfgContainer [2023-08-30 04:29:20,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 04:29:20,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 04:29:20,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 04:29:20,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 04:29:20,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:29:18" (1/3) ... [2023-08-30 04:29:20,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415dcaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:29:20, skipping insertion in model container [2023-08-30 04:29:20,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:29:18" (2/3) ... [2023-08-30 04:29:20,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415dcaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:29:20, skipping insertion in model container [2023-08-30 04:29:20,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:29:20" (3/3) ... [2023-08-30 04:29:20,049 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2023-08-30 04:29:20,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 04:29:20,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-30 04:29:20,065 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 04:29:20,163 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 04:29:20,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,271 INFO L130 PetriNetUnfolder]: 29/302 cut-off events. [2023-08-30 04:29:20,278 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2023-08-30 04:29:20,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 302 events. 29/302 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 856 event pairs, 0 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 168. Up to 4 conditions per place. [2023-08-30 04:29:20,289 INFO L82 GeneralOperation]: Start removeDead. Operand has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,298 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,305 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 04:29:20,316 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,319 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 279 transitions, 566 flow [2023-08-30 04:29:20,369 INFO L130 PetriNetUnfolder]: 29/302 cut-off events. [2023-08-30 04:29:20,370 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2023-08-30 04:29:20,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 302 events. 29/302 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 856 event pairs, 0 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 168. Up to 4 conditions per place. [2023-08-30 04:29:20,377 INFO L119 LiptonReduction]: Number of co-enabled transitions 5742 [2023-08-30 04:31:15,710 WARN L222 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:34:37,158 WARN L222 SmtUtils]: Spent 2.94m on a formula simplification. DAG size of input: 224 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:35:55,220 WARN L222 SmtUtils]: Spent 1.30m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:38:49,780 WARN L222 SmtUtils]: Spent 2.91m on a formula simplification. DAG size of input: 224 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:12,503 WARN L222 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:17,613 WARN L222 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:23,409 WARN L222 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:29,162 WARN L222 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:35,424 WARN L222 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 04:40:52,309 INFO L134 LiptonReduction]: Checked pairs total: 6878 [2023-08-30 04:40:52,310 INFO L136 LiptonReduction]: Total number of compositions: 323 [2023-08-30 04:40:52,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 04:40:52,326 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d2c1069, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 04:40:52,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-08-30 04:40:52,329 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-30 04:40:52,329 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:40:52,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:40:52,329 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 04:40:52,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:40:52,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:40:52,334 INFO L85 PathProgramCache]: Analyzing trace with hash 35522, now seen corresponding path program 1 times [2023-08-30 04:40:52,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:40:52,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819172153] [2023-08-30 04:40:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:40:52,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:40:52,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:40:52,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:40:52,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-08-30 04:40:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:40:52,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-30 04:40:52,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:40:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:40:52,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:40:52,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:40:52,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819172153] [2023-08-30 04:40:52,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819172153] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:40:52,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:40:52,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 04:40:52,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213342579] [2023-08-30 04:40:52,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:40:52,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 04:40:52,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:40:52,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 04:40:52,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 04:40:52,996 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 602 [2023-08-30 04:40:53,000 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 83 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:53,000 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:40:53,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 602 [2023-08-30 04:40:53,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:40:55,084 INFO L130 PetriNetUnfolder]: 239/565 cut-off events. [2023-08-30 04:40:55,084 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:40:55,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 565 events. 239/565 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2958 event pairs, 200 based on Foata normal form. 33/283 useless extension candidates. Maximal degree in co-relation 981. Up to 484 conditions per place. [2023-08-30 04:40:55,088 INFO L137 encePairwiseOnDemand]: 565/602 looper letters, 53 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2023-08-30 04:40:55,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 66 transitions, 256 flow [2023-08-30 04:40:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 04:40:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 04:40:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2023-08-30 04:40:55,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4739756367663344 [2023-08-30 04:40:55,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2023-08-30 04:40:55,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2023-08-30 04:40:55,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:40:55,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2023-08-30 04:40:55,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:55,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:55,129 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:55,131 INFO L175 Difference]: Start difference. First operand has 71 places, 83 transitions, 174 flow. Second operand 3 states and 856 transitions. [2023-08-30 04:40:55,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 66 transitions, 256 flow [2023-08-30 04:40:55,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 04:40:55,137 INFO L231 Difference]: Finished difference. Result has 59 places, 63 transitions, 173 flow [2023-08-30 04:40:55,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=602, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=59, PETRI_TRANSITIONS=63} [2023-08-30 04:40:55,141 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -12 predicate places. [2023-08-30 04:40:55,142 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 63 transitions, 173 flow [2023-08-30 04:40:55,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:55,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:40:55,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 04:40:55,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-08-30 04:40:55,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:40:55,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:40:55,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:40:55,354 INFO L85 PathProgramCache]: Analyzing trace with hash 35521, now seen corresponding path program 1 times [2023-08-30 04:40:55,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:40:55,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200587214] [2023-08-30 04:40:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:40:55,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:40:55,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:40:55,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:40:55,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-08-30 04:40:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:40:55,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 04:40:55,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:40:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:40:55,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:40:55,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:40:55,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200587214] [2023-08-30 04:40:55,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200587214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:40:55,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:40:55,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 04:40:55,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487006105] [2023-08-30 04:40:55,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:40:55,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 04:40:55,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:40:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 04:40:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 04:40:55,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 602 [2023-08-30 04:40:55,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 63 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:55,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:40:55,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 602 [2023-08-30 04:40:55,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:40:56,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 04:40:57,297 INFO L130 PetriNetUnfolder]: 227/526 cut-off events. [2023-08-30 04:40:57,298 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:40:57,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 526 events. 227/526 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2773 event pairs, 152 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 975. Up to 376 conditions per place. [2023-08-30 04:40:57,301 INFO L137 encePairwiseOnDemand]: 594/602 looper letters, 69 selfloop transitions, 3 changer transitions 0/80 dead transitions. [2023-08-30 04:40:57,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 80 transitions, 347 flow [2023-08-30 04:40:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 04:40:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 04:40:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 829 transitions. [2023-08-30 04:40:57,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4590254706533776 [2023-08-30 04:40:57,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 829 transitions. [2023-08-30 04:40:57,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 829 transitions. [2023-08-30 04:40:57,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:40:57,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 829 transitions. [2023-08-30 04:40:57,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:57,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:57,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:57,314 INFO L175 Difference]: Start difference. First operand has 59 places, 63 transitions, 173 flow. Second operand 3 states and 829 transitions. [2023-08-30 04:40:57,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 80 transitions, 347 flow [2023-08-30 04:40:57,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 80 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 04:40:57,316 INFO L231 Difference]: Finished difference. Result has 57 places, 59 transitions, 167 flow [2023-08-30 04:40:57,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=602, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=57, PETRI_TRANSITIONS=59} [2023-08-30 04:40:57,317 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -14 predicate places. [2023-08-30 04:40:57,318 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 59 transitions, 167 flow [2023-08-30 04:40:57,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:57,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:40:57,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 04:40:57,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-08-30 04:40:57,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:40:57,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:40:57,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:40:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1104475, now seen corresponding path program 1 times [2023-08-30 04:40:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:40:57,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961548145] [2023-08-30 04:40:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:40:57,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:40:57,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:40:57,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:40:57,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-08-30 04:40:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:40:57,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 23 conjunts are in the unsatisfiable core [2023-08-30 04:40:57,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:40:57,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2023-08-30 04:40:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:40:57,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:40:57,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:40:57,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961548145] [2023-08-30 04:40:57,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961548145] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:40:57,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:40:57,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 04:40:57,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194462757] [2023-08-30 04:40:57,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:40:57,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 04:40:57,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:40:57,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 04:40:57,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 04:40:58,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 602 [2023-08-30 04:40:58,393 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:40:58,393 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:40:58,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 602 [2023-08-30 04:40:58,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:41:00,883 INFO L130 PetriNetUnfolder]: 227/529 cut-off events. [2023-08-30 04:41:00,883 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-30 04:41:00,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 529 events. 227/529 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2807 event pairs, 152 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 1044. Up to 373 conditions per place. [2023-08-30 04:41:00,886 INFO L137 encePairwiseOnDemand]: 594/602 looper letters, 66 selfloop transitions, 9 changer transitions 0/83 dead transitions. [2023-08-30 04:41:00,887 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 83 transitions, 371 flow [2023-08-30 04:41:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 04:41:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 04:41:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1033 transitions. [2023-08-30 04:41:00,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42898671096345514 [2023-08-30 04:41:00,893 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1033 transitions. [2023-08-30 04:41:00,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1033 transitions. [2023-08-30 04:41:00,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:41:00,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1033 transitions. [2023-08-30 04:41:00,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 258.25) internal successors, (1033), 4 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:00,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 602.0) internal successors, (3010), 5 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:00,902 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 602.0) internal successors, (3010), 5 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:00,902 INFO L175 Difference]: Start difference. First operand has 57 places, 59 transitions, 167 flow. Second operand 4 states and 1033 transitions. [2023-08-30 04:41:00,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 83 transitions, 371 flow [2023-08-30 04:41:00,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 365 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 04:41:00,905 INFO L231 Difference]: Finished difference. Result has 59 places, 60 transitions, 195 flow [2023-08-30 04:41:00,905 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=602, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=195, PETRI_PLACES=59, PETRI_TRANSITIONS=60} [2023-08-30 04:41:00,906 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -12 predicate places. [2023-08-30 04:41:00,906 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 60 transitions, 195 flow [2023-08-30 04:41:00,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:00,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:41:00,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 04:41:00,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-08-30 04:41:01,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:01,118 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:41:01,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:41:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1104481, now seen corresponding path program 1 times [2023-08-30 04:41:01,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:41:01,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542873508] [2023-08-30 04:41:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:41:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:41:01,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:41:01,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-08-30 04:41:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:41:01,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-08-30 04:41:01,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:41:01,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-08-30 04:41:01,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-08-30 04:41:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:41:01,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:41:01,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:41:01,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542873508] [2023-08-30 04:41:01,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542873508] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:41:01,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:41:01,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 04:41:01,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88812522] [2023-08-30 04:41:01,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:41:01,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 04:41:01,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:41:01,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 04:41:01,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 04:41:02,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 602 [2023-08-30 04:41:02,362 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 60 transitions, 195 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:02,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:41:02,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 602 [2023-08-30 04:41:02,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:41:04,670 INFO L130 PetriNetUnfolder]: 229/546 cut-off events. [2023-08-30 04:41:04,670 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-30 04:41:04,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 546 events. 229/546 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2869 event pairs, 190 based on Foata normal form. 1/278 useless extension candidates. Maximal degree in co-relation 1070. Up to 463 conditions per place. [2023-08-30 04:41:04,693 INFO L137 encePairwiseOnDemand]: 596/602 looper letters, 51 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2023-08-30 04:41:04,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 330 flow [2023-08-30 04:41:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 04:41:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 04:41:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1008 transitions. [2023-08-30 04:41:04,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4186046511627907 [2023-08-30 04:41:04,699 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1008 transitions. [2023-08-30 04:41:04,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1008 transitions. [2023-08-30 04:41:04,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:41:04,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1008 transitions. [2023-08-30 04:41:04,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:04,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 602.0) internal successors, (3010), 5 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:04,708 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 602.0) internal successors, (3010), 5 states have internal predecessors, (3010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:04,709 INFO L175 Difference]: Start difference. First operand has 59 places, 60 transitions, 195 flow. Second operand 4 states and 1008 transitions. [2023-08-30 04:41:04,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 330 flow [2023-08-30 04:41:04,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 64 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 04:41:04,714 INFO L231 Difference]: Finished difference. Result has 61 places, 61 transitions, 209 flow [2023-08-30 04:41:04,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=602, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=209, PETRI_PLACES=61, PETRI_TRANSITIONS=61} [2023-08-30 04:41:04,716 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -10 predicate places. [2023-08-30 04:41:04,716 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 61 transitions, 209 flow [2023-08-30 04:41:04,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:04,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:41:04,717 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-30 04:41:04,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-08-30 04:41:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:04,928 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:41:04,929 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:41:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash 34236186, now seen corresponding path program 1 times [2023-08-30 04:41:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:41:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145173157] [2023-08-30 04:41:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:41:04,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:41:04,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:41:04,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-08-30 04:41:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:41:05,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-30 04:41:05,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:41:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:41:05,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:41:05,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:41:05,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145173157] [2023-08-30 04:41:05,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145173157] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:41:05,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:41:05,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 04:41:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149074704] [2023-08-30 04:41:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:41:05,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 04:41:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:41:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 04:41:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 04:41:05,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 602 [2023-08-30 04:41:05,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 61 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:05,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:41:05,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 602 [2023-08-30 04:41:05,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:41:06,922 INFO L130 PetriNetUnfolder]: 227/544 cut-off events. [2023-08-30 04:41:06,922 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:41:06,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 544 events. 227/544 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2856 event pairs, 190 based on Foata normal form. 1/261 useless extension candidates. Maximal degree in co-relation 1067. Up to 463 conditions per place. [2023-08-30 04:41:06,925 INFO L137 encePairwiseOnDemand]: 599/602 looper letters, 49 selfloop transitions, 4 changer transitions 0/61 dead transitions. [2023-08-30 04:41:06,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 61 transitions, 311 flow [2023-08-30 04:41:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 04:41:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 04:41:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2023-08-30 04:41:06,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.446843853820598 [2023-08-30 04:41:06,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2023-08-30 04:41:06,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2023-08-30 04:41:06,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:41:06,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2023-08-30 04:41:06,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:06,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:06,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 602.0) internal successors, (2408), 4 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:06,937 INFO L175 Difference]: Start difference. First operand has 61 places, 61 transitions, 209 flow. Second operand 3 states and 807 transitions. [2023-08-30 04:41:06,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 61 transitions, 311 flow [2023-08-30 04:41:06,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 61 transitions, 305 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-30 04:41:06,943 INFO L231 Difference]: Finished difference. Result has 61 places, 59 transitions, 197 flow [2023-08-30 04:41:06,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=602, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=61, PETRI_TRANSITIONS=59} [2023-08-30 04:41:06,946 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -10 predicate places. [2023-08-30 04:41:06,948 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 59 transitions, 197 flow [2023-08-30 04:41:06,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:41:06,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:41:06,952 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-30 04:41:06,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-08-30 04:41:07,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:07,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 57 more)] === [2023-08-30 04:41:07,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:41:07,164 INFO L85 PathProgramCache]: Analyzing trace with hash 34239978, now seen corresponding path program 1 times [2023-08-30 04:41:07,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:41:07,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028335128] [2023-08-30 04:41:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:41:07,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:41:07,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:41:07,167 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:41:07,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-08-30 04:41:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:41:07,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 39 conjunts are in the unsatisfiable core [2023-08-30 04:41:07,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:41:10,879 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2023-08-30 04:41:10,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 506 treesize of output 649 [2023-08-30 04:41:18,461 WARN L222 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 122 DAG size of output: 54 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-30 04:41:18,462 INFO L321 Elim1Store]: treesize reduction 372, result has 28.0 percent of original size [2023-08-30 04:41:18,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 1022 treesize of output 857 [2023-08-30 04:41:18,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-08-30 04:41:19,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-08-30 04:41:19,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2023-08-30 04:41:19,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-08-30 04:41:20,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2023-08-30 04:41:20,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-08-30 04:41:20,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-08-30 04:41:20,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-08-30 04:41:21,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-08-30 04:41:21,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2023-08-30 04:41:36,213 INFO L217 Elim1Store]: Index analysis took 265 ms [2023-08-30 04:41:36,436 INFO L321 Elim1Store]: treesize reduction 235, result has 3.3 percent of original size [2023-08-30 04:41:36,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 801 treesize of output 774 [2023-08-30 04:41:37,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:41:39,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:39,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:39,333 INFO L217 Elim1Store]: Index analysis took 264 ms [2023-08-30 04:41:39,443 INFO L321 Elim1Store]: treesize reduction 103, result has 7.2 percent of original size [2023-08-30 04:41:39,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1256 treesize of output 1223 [2023-08-30 04:41:40,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:41:40,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:41:41,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:41:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:41:50,311 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:50,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:50,468 INFO L321 Elim1Store]: treesize reduction 43, result has 36.8 percent of original size [2023-08-30 04:41:50,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 4139 treesize of output 3934 [2023-08-30 04:41:50,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:51,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:51,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:51,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:52,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:52,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:52,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:53,316 INFO L321 Elim1Store]: treesize reduction 119, result has 0.8 percent of original size [2023-08-30 04:41:53,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 258 treesize of output 147 [2023-08-30 04:41:53,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:41:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:41:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:41:53,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:53,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:41:53,782 INFO L321 Elim1Store]: treesize reduction 57, result has 21.9 percent of original size [2023-08-30 04:41:53,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 402 treesize of output 371 [2023-08-30 04:41:53,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:53,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:53,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-08-30 04:41:54,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:42:03,551 WARN L222 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 139 DAG size of output: 82 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-30 04:42:03,551 INFO L321 Elim1Store]: treesize reduction 479, result has 38.7 percent of original size [2023-08-30 04:42:03,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 66701 treesize of output 51830 [2023-08-30 04:42:05,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:06,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:08,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:10,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:13,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:15,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:42:15,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:00,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:01,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:01,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:02,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:10,517 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 189 [2023-08-30 04:43:10,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,666 INFO L321 Elim1Store]: treesize reduction 225, result has 0.4 percent of original size [2023-08-30 04:43:10,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2834 treesize of output 95 [2023-08-30 04:43:10,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:10,855 INFO L321 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-08-30 04:43:10,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1100 treesize of output 785 [2023-08-30 04:43:10,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:11,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:11,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:11,066 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-08-30 04:43:11,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 635 treesize of output 703 [2023-08-30 04:43:11,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:11,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:11,679 INFO L321 Elim1Store]: treesize reduction 92, result has 42.9 percent of original size [2023-08-30 04:43:11,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 4932 treesize of output 3215 [2023-08-30 04:43:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:13,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:13,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:13,596 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-08-30 04:43:13,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 435 treesize of output 1 [2023-08-30 04:43:13,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:13,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:14,408 INFO L321 Elim1Store]: treesize reduction 137, result has 32.2 percent of original size [2023-08-30 04:43:14,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 8550 treesize of output 7179 [2023-08-30 04:43:14,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:15,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:16,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:19,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:19,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:19,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:19,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:19,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 291 [2023-08-30 04:43:19,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 291 [2023-08-30 04:43:19,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 291 [2023-08-30 04:43:19,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:19,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 291 [2023-08-30 04:43:20,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,245 INFO L321 Elim1Store]: treesize reduction 99, result has 1.0 percent of original size [2023-08-30 04:43:20,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 711 treesize of output 1 [2023-08-30 04:43:20,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 659 treesize of output 1 [2023-08-30 04:43:20,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-30 04:43:20,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 711 treesize of output 1 [2023-08-30 04:43:20,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:20,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 04:43:20,744 INFO L321 Elim1Store]: treesize reduction 134, result has 0.7 percent of original size [2023-08-30 04:43:20,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1167 treesize of output 843 [2023-08-30 04:43:21,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-08-30 04:43:29,382 INFO L321 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2023-08-30 04:43:29,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 588 treesize of output 403 [2023-08-30 04:43:29,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 234 Killed by 15