./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c 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/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:31:06,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:31:06,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:31:06,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:31:06,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:31:06,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:31:06,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:31:06,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:31:06,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:31:06,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:31:06,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:31:06,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:31:06,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:31:06,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:31:06,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:31:06,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:31:06,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:31:06,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:31:06,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:31:06,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:31:06,641 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:31:06,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:31:06,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:31:06,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:31:06,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:31:06,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:31:06,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:31:06,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:31:06,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:31:06,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:31:06,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:31:06,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:31:06,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:31:06,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:31:06,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:31:06,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:31:06,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:31:06,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:31:06,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:31:06,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:31:06,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:31:06,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:31:06,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:31:06,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:31:06,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:31:06,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:31:06,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:31:06,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:31:06,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:31:06,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:31:06,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:31:06,700 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:31:06,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:31:06,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:31:06,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:31:06,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:31:06,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:31:06,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:31:06,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:31:06,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:31:06,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:31:06,703 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:31:06,703 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:31:06,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:31:06,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:31:06,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:31:06,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:31:06,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:31:06,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:31:06,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:31:06,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:31:06,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:31:06,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:31:06,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:31:06,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:31:06,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:31:06,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b [2022-07-13 02:31:06,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:31:06,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:31:06,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:31:06,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:31:06,958 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:31:06,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2022-07-13 02:31:07,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32d66d1/797c2bba759a4bbf8dff987858e9b47b/FLAG9e8eb2518 [2022-07-13 02:31:07,550 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:31:07,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2022-07-13 02:31:07,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32d66d1/797c2bba759a4bbf8dff987858e9b47b/FLAG9e8eb2518 [2022-07-13 02:31:08,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32d66d1/797c2bba759a4bbf8dff987858e9b47b [2022-07-13 02:31:08,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:31:08,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:31:08,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:31:08,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:31:08,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:31:08,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9b94bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08, skipping insertion in model container [2022-07-13 02:31:08,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:31:08,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:31:08,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2022-07-13 02:31:08,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:31:08,460 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:31:08,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2022-07-13 02:31:08,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:31:08,562 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:31:08,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08 WrapperNode [2022-07-13 02:31:08,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:31:08,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:31:08,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:31:08,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:31:08,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,646 INFO L137 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 363 [2022-07-13 02:31:08,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:31:08,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:31:08,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:31:08,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:31:08,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:31:08,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:31:08,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:31:08,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:31:08,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (1/1) ... [2022-07-13 02:31:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:31:08,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:31:08,758 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) [2022-07-13 02:31:08,760 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 [2022-07-13 02:31:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:31:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 02:31:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-07-13 02:31:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-07-13 02:31:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:31:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:31:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-07-13 02:31:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-07-13 02:31:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:31:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-13 02:31:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 02:31:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:31:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 02:31:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-07-13 02:31:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-07-13 02:31:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:31:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:31:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:31:08,795 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-13 02:31:08,989 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:31:08,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:31:09,359 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:31:09,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:31:09,370 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2022-07-13 02:31:09,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:09 BoogieIcfgContainer [2022-07-13 02:31:09,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:31:09,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:31:09,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:31:09,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:31:09,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:31:08" (1/3) ... [2022-07-13 02:31:09,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbf108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:09, skipping insertion in model container [2022-07-13 02:31:09,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:08" (2/3) ... [2022-07-13 02:31:09,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbf108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:09, skipping insertion in model container [2022-07-13 02:31:09,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:09" (3/3) ... [2022-07-13 02:31:09,380 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_85-list2_racefree.i [2022-07-13 02:31:09,384 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 02:31:09,392 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:31:09,392 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-07-13 02:31:09,393 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 02:31:09,520 INFO L135 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-07-13 02:31:09,561 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:31:09,571 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 367 places, 406 transitions, 854 flow [2022-07-13 02:31:09,573 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 367 places, 406 transitions, 854 flow [2022-07-13 02:31:09,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 406 transitions, 854 flow [2022-07-13 02:31:09,902 INFO L129 PetriNetUnfolder]: 165/1258 cut-off events. [2022-07-13 02:31:09,903 INFO L130 PetriNetUnfolder]: For 36/63 co-relation queries the response was YES. [2022-07-13 02:31:09,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 1258 events. 165/1258 cut-off events. For 36/63 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8187 event pairs, 0 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 641. Up to 16 conditions per place. [2022-07-13 02:31:10,000 INFO L116 LiptonReduction]: Number of co-enabled transitions 71262 [2022-07-13 02:31:36,398 INFO L131 LiptonReduction]: Checked pairs total: 126267 [2022-07-13 02:31:36,398 INFO L133 LiptonReduction]: Total number of compositions: 362 [2022-07-13 02:31:36,405 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 133 transitions, 308 flow [2022-07-13 02:31:40,314 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 111234 states, 110593 states have (on average 4.575343828271229) internal successors, (506001), 111233 states have internal predecessors, (506001), 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) [2022-07-13 02:31:40,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:31:40,347 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b4d075b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@14d36f7e [2022-07-13 02:31:40,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-13 02:31:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 111234 states, 110593 states have (on average 4.575343828271229) internal successors, (506001), 111233 states have internal predecessors, (506001), 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) [2022-07-13 02:31:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 02:31:40,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:31:40,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 02:31:40,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-07-13 02:31:40,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:31:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash 49400688, now seen corresponding path program 1 times [2022-07-13 02:31:40,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:31:40,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360576130] [2022-07-13 02:31:40,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:31:40,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:31:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:31:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:31:40,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:31:40,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360576130] [2022-07-13 02:31:40,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360576130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:31:40,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:31:40,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-13 02:31:40,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341628627] [2022-07-13 02:31:40,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:31:40,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:31:40,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:31:40,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:31:40,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:31:41,123 INFO L87 Difference]: Start difference. First operand has 111234 states, 110593 states have (on average 4.575343828271229) internal successors, (506001), 111233 states have internal predecessors, (506001), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-13 02:31:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:31:43,471 INFO L93 Difference]: Finished difference Result 107268 states and 396483 transitions. [2022-07-13 02:31:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:31:43,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-07-13 02:31:43,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:31:44,561 INFO L225 Difference]: With dead ends: 107268 [2022-07-13 02:31:44,562 INFO L226 Difference]: Without dead ends: 104565 [2022-07-13 02:31:44,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:31:44,565 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:31:44,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 32 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:31:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104565 states. [2022-07-13 02:31:47,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104565 to 104565. [2022-07-13 02:31:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104565 states, 104041 states have (on average 3.7121711632913947) internal successors, (386218), 104564 states have internal predecessors, (386218), 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) [2022-07-13 02:31:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104565 states to 104565 states and 386218 transitions. [2022-07-13 02:31:49,274 INFO L78 Accepts]: Start accepts. Automaton has 104565 states and 386218 transitions. Word has length 4 [2022-07-13 02:31:49,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:31:49,275 INFO L495 AbstractCegarLoop]: Abstraction has 104565 states and 386218 transitions. [2022-07-13 02:31:49,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-13 02:31:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 104565 states and 386218 transitions. [2022-07-13 02:31:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 02:31:49,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:31:49,276 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-07-13 02:31:49,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:31:49,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-07-13 02:31:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:31:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 229545065, now seen corresponding path program 1 times [2022-07-13 02:31:49,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:31:49,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188010743] [2022-07-13 02:31:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:31:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:31:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:31:49,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 02:31:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:31:49,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 02:31:49,389 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 02:31:49,391 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-07-13 02:31:49,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2022-07-13 02:31:49,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2022-07-13 02:31:49,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2022-07-13 02:31:49,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2022-07-13 02:31:49,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2022-07-13 02:31:49,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2022-07-13 02:31:49,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2022-07-13 02:31:49,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2022-07-13 02:31:49,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2022-07-13 02:31:49,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2022-07-13 02:31:49,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2022-07-13 02:31:49,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2022-07-13 02:31:49,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2022-07-13 02:31:49,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2022-07-13 02:31:49,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2022-07-13 02:31:49,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2022-07-13 02:31:49,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2022-07-13 02:31:49,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2022-07-13 02:31:49,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2022-07-13 02:31:49,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining) [2022-07-13 02:31:49,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 02:31:49,401 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 02:31:49,402 WARN L231 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-07-13 02:31:49,402 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-07-13 02:31:49,471 INFO L135 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-07-13 02:31:49,477 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:31:49,478 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 647 transitions, 1384 flow [2022-07-13 02:31:49,478 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 647 transitions, 1384 flow [2022-07-13 02:31:49,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 574 places, 647 transitions, 1384 flow [2022-07-13 02:31:52,098 INFO L129 PetriNetUnfolder]: 1132/6644 cut-off events. [2022-07-13 02:31:52,099 INFO L130 PetriNetUnfolder]: For 602/700 co-relation queries the response was YES. [2022-07-13 02:31:52,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7318 conditions, 6644 events. 1132/6644 cut-off events. For 602/700 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 64284 event pairs, 22 based on Foata normal form. 0/5283 useless extension candidates. Maximal degree in co-relation 4069. Up to 192 conditions per place. [2022-07-13 02:31:53,111 INFO L116 LiptonReduction]: Number of co-enabled transitions 256776 [2022-07-13 02:33:28,985 INFO L131 LiptonReduction]: Checked pairs total: 502412 [2022-07-13 02:33:28,985 INFO L133 LiptonReduction]: Total number of compositions: 566 [2022-07-13 02:33:28,987 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 232 transitions, 554 flow