./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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/weaver/popl20-more-sorted.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:48:03,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:48:03,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:48:03,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:48:03,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:48:03,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:48:03,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:48:03,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:48:03,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:48:03,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:48:03,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:48:03,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:48:03,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:48:03,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:48:03,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:48:03,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:48:03,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:48:03,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:48:03,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:48:03,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:48:03,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:48:03,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:48:03,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:48:03,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:48:03,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:48:03,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:48:03,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:48:03,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:48:03,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:48:03,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:48:03,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:48:03,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:48:03,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:48:03,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:48:03,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:48:03,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:48:03,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:48:03,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:48:03,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:48:03,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:48:03,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:48:03,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:48:03,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:48:03,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:48:03,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:48:03,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:48:03,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:48:03,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:48:03,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:48:03,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:48:03,745 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:48:03,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:48:03,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:48:03,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:48:03,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:48:03,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:48:03,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:48:03,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:48:03,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:48:03,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:48:03,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:48:03,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:48:03,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:48:03,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:48:03,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:48:03,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:48:03,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:48:03,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:48:03,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:48:03,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:48:03,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:48:03,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:48:03,751 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:48:03,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:48:03,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:48:03,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:48:03,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362fd638a164593c63fbfc307f633b7ac4c475762218e6a2237e90d5b6553a84 [2021-12-22 13:48:03,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:48:04,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:48:04,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:48:04,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:48:04,032 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:48:04,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-12-22 13:48:04,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2aab55c/8b274467c81344ee99bc8a04b332ed97/FLAG6d2ca897b [2021-12-22 13:48:04,493 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:48:04,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2021-12-22 13:48:04,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2aab55c/8b274467c81344ee99bc8a04b332ed97/FLAG6d2ca897b [2021-12-22 13:48:04,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2aab55c/8b274467c81344ee99bc8a04b332ed97 [2021-12-22 13:48:04,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:48:04,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:48:04,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:48:04,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:48:04,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:48:04,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:48:04" (1/1) ... [2021-12-22 13:48:04,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2180e1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:04, skipping insertion in model container [2021-12-22 13:48:04,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:48:04" (1/1) ... [2021-12-22 13:48:04,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:48:04,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:48:05,158 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/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-12-22 13:48:05,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:48:05,170 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:48:05,207 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/weaver/popl20-more-sorted.wvr.c[2434,2447] [2021-12-22 13:48:05,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:48:05,221 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:48:05,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05 WrapperNode [2021-12-22 13:48:05,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:48:05,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:48:05,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:48:05,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:48:05,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,267 INFO L137 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2021-12-22 13:48:05,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:48:05,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:48:05,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:48:05,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:48:05,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:48:05,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:48:05,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:48:05,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:48:05,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (1/1) ... [2021-12-22 13:48:05,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:48:05,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:05,356 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) [2021-12-22 13:48:05,382 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 [2021-12-22 13:48:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:48:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-22 13:48:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-22 13:48:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-22 13:48:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-22 13:48:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-22 13:48:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-22 13:48:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:48:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 13:48:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 13:48:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 13:48:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:48:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:48:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 13:48:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 13:48:05,403 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-22 13:48:05,525 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:48:05,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:48:05,818 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:48:05,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:48:05,826 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 13:48:05,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:48:05 BoogieIcfgContainer [2021-12-22 13:48:05,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:48:05,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:48:05,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:48:05,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:48:05,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:48:04" (1/3) ... [2021-12-22 13:48:05,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d96260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:48:05, skipping insertion in model container [2021-12-22 13:48:05,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:48:05" (2/3) ... [2021-12-22 13:48:05,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d96260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:48:05, skipping insertion in model container [2021-12-22 13:48:05,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:48:05" (3/3) ... [2021-12-22 13:48:05,836 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2021-12-22 13:48:05,840 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-22 13:48:05,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:48:05,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 13:48:05,840 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-22 13:48:05,885 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,885 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,886 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,886 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,887 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,887 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,890 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,890 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,891 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,891 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,892 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,895 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,896 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,896 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,896 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,897 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,897 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,898 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,898 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,898 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,899 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,899 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,899 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,902 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,902 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,903 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,904 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,907 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,908 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,908 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,909 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,910 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,910 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,910 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,911 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,911 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,911 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,914 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,914 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,924 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,924 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,932 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,932 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,936 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,936 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,936 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,936 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,952 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,955 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,957 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:48:05,961 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-22 13:48:06,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:48:06,022 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 13:48:06,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-22 13:48:06,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 184 transitions, 392 flow [2021-12-22 13:48:06,098 INFO L129 PetriNetUnfolder]: 15/181 cut-off events. [2021-12-22 13:48:06,099 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-22 13:48:06,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 181 events. 15/181 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2021-12-22 13:48:06,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 184 transitions, 392 flow [2021-12-22 13:48:06,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 170 transitions, 358 flow [2021-12-22 13:48:06,151 INFO L129 PetriNetUnfolder]: 15/169 cut-off events. [2021-12-22 13:48:06,151 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-22 13:48:06,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:06,152 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:06,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:06,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1290990090, now seen corresponding path program 1 times [2021-12-22 13:48:06,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:06,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113509513] [2021-12-22 13:48:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:06,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:06,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113509513] [2021-12-22 13:48:06,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113509513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:06,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:06,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 13:48:06,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622238328] [2021-12-22 13:48:06,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:06,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 13:48:06,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:06,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 13:48:06,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 13:48:06,503 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 184 [2021-12-22 13:48:06,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 170 transitions, 358 flow. Second operand has 2 states, 2 states have (on average 172.5) internal successors, (345), 2 states have internal predecessors, (345), 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) [2021-12-22 13:48:06,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:06,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 184 [2021-12-22 13:48:06,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:06,570 INFO L129 PetriNetUnfolder]: 7/162 cut-off events. [2021-12-22 13:48:06,570 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-12-22 13:48:06,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 162 events. 7/162 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 187 event pairs, 0 based on Foata normal form. 14/165 useless extension candidates. Maximal degree in co-relation 130. Up to 7 conditions per place. [2021-12-22 13:48:06,572 INFO L132 encePairwiseOnDemand]: 176/184 looper letters, 6 selfloop transitions, 0 changer transitions 4/162 dead transitions. [2021-12-22 13:48:06,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 162 transitions, 354 flow [2021-12-22 13:48:06,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 13:48:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-22 13:48:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 352 transitions. [2021-12-22 13:48:06,584 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2021-12-22 13:48:06,585 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 352 transitions. [2021-12-22 13:48:06,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 352 transitions. [2021-12-22 13:48:06,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:06,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 352 transitions. [2021-12-22 13:48:06,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.0) internal successors, (352), 2 states have internal predecessors, (352), 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) [2021-12-22 13:48:06,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-12-22 13:48:06,601 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-12-22 13:48:06,603 INFO L186 Difference]: Start difference. First operand has 165 places, 170 transitions, 358 flow. Second operand 2 states and 352 transitions. [2021-12-22 13:48:06,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 162 transitions, 354 flow [2021-12-22 13:48:06,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 162 transitions, 342 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-22 13:48:06,611 INFO L242 Difference]: Finished difference. Result has 160 places, 158 transitions, 322 flow [2021-12-22 13:48:06,613 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=322, PETRI_PLACES=160, PETRI_TRANSITIONS=158} [2021-12-22 13:48:06,615 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -5 predicate places. [2021-12-22 13:48:06,616 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 158 transitions, 322 flow [2021-12-22 13:48:06,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 172.5) internal successors, (345), 2 states have internal predecessors, (345), 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) [2021-12-22 13:48:06,616 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:06,616 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:06,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:48:06,617 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:06,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash 788900463, now seen corresponding path program 1 times [2021-12-22 13:48:06,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:06,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910818901] [2021-12-22 13:48:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:06,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:06,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910818901] [2021-12-22 13:48:06,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910818901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:06,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:06,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 13:48:06,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053994051] [2021-12-22 13:48:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:06,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:48:06,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:06,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:48:06,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:48:06,891 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 184 [2021-12-22 13:48:06,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 158 transitions, 322 flow. Second operand has 8 states, 8 states have (on average 132.5) internal successors, (1060), 8 states have internal predecessors, (1060), 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) [2021-12-22 13:48:06,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:06,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 184 [2021-12-22 13:48:06,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:07,224 INFO L129 PetriNetUnfolder]: 175/665 cut-off events. [2021-12-22 13:48:07,225 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-22 13:48:07,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 665 events. 175/665 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3334 event pairs, 74 based on Foata normal form. 1/527 useless extension candidates. Maximal degree in co-relation 917. Up to 225 conditions per place. [2021-12-22 13:48:07,232 INFO L132 encePairwiseOnDemand]: 174/184 looper letters, 41 selfloop transitions, 6 changer transitions 4/166 dead transitions. [2021-12-22 13:48:07,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 166 transitions, 440 flow [2021-12-22 13:48:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:48:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-22 13:48:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1204 transitions. [2021-12-22 13:48:07,239 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7270531400966184 [2021-12-22 13:48:07,243 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1204 transitions. [2021-12-22 13:48:07,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1204 transitions. [2021-12-22 13:48:07,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:07,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1204 transitions. [2021-12-22 13:48:07,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 133.77777777777777) internal successors, (1204), 9 states have internal predecessors, (1204), 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) [2021-12-22 13:48:07,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 184.0) internal successors, (1840), 10 states have internal predecessors, (1840), 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) [2021-12-22 13:48:07,256 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 184.0) internal successors, (1840), 10 states have internal predecessors, (1840), 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) [2021-12-22 13:48:07,256 INFO L186 Difference]: Start difference. First operand has 160 places, 158 transitions, 322 flow. Second operand 9 states and 1204 transitions. [2021-12-22 13:48:07,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 166 transitions, 440 flow [2021-12-22 13:48:07,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 166 transitions, 440 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:48:07,260 INFO L242 Difference]: Finished difference. Result has 168 places, 159 transitions, 348 flow [2021-12-22 13:48:07,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=348, PETRI_PLACES=168, PETRI_TRANSITIONS=159} [2021-12-22 13:48:07,261 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 3 predicate places. [2021-12-22 13:48:07,262 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 159 transitions, 348 flow [2021-12-22 13:48:07,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 132.5) internal successors, (1060), 8 states have internal predecessors, (1060), 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) [2021-12-22 13:48:07,263 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:07,263 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:07,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:48:07,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:07,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:07,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1512683627, now seen corresponding path program 1 times [2021-12-22 13:48:07,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:07,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989669314] [2021-12-22 13:48:07,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:07,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:07,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:07,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989669314] [2021-12-22 13:48:07,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989669314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:07,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:07,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 13:48:07,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434261316] [2021-12-22 13:48:07,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:07,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 13:48:07,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 13:48:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 13:48:07,500 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 184 [2021-12-22 13:48:07,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 159 transitions, 348 flow. Second operand has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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) [2021-12-22 13:48:07,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:07,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 184 [2021-12-22 13:48:07,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:07,715 INFO L129 PetriNetUnfolder]: 226/1072 cut-off events. [2021-12-22 13:48:07,715 INFO L130 PetriNetUnfolder]: For 44/45 co-relation queries the response was YES. [2021-12-22 13:48:07,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 1072 events. 226/1072 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 7149 event pairs, 46 based on Foata normal form. 1/969 useless extension candidates. Maximal degree in co-relation 1417. Up to 143 conditions per place. [2021-12-22 13:48:07,744 INFO L132 encePairwiseOnDemand]: 175/184 looper letters, 62 selfloop transitions, 9 changer transitions 4/200 dead transitions. [2021-12-22 13:48:07,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 200 transitions, 592 flow [2021-12-22 13:48:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:48:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-22 13:48:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1035 transitions. [2021-12-22 13:48:07,748 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8035714285714286 [2021-12-22 13:48:07,748 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1035 transitions. [2021-12-22 13:48:07,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1035 transitions. [2021-12-22 13:48:07,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:07,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1035 transitions. [2021-12-22 13:48:07,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 147.85714285714286) internal successors, (1035), 7 states have internal predecessors, (1035), 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) [2021-12-22 13:48:07,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 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) [2021-12-22 13:48:07,755 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 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) [2021-12-22 13:48:07,755 INFO L186 Difference]: Start difference. First operand has 168 places, 159 transitions, 348 flow. Second operand 7 states and 1035 transitions. [2021-12-22 13:48:07,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 200 transitions, 592 flow [2021-12-22 13:48:07,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 200 transitions, 576 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-22 13:48:07,760 INFO L242 Difference]: Finished difference. Result has 168 places, 165 transitions, 385 flow [2021-12-22 13:48:07,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=385, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2021-12-22 13:48:07,762 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 3 predicate places. [2021-12-22 13:48:07,762 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 385 flow [2021-12-22 13:48:07,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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) [2021-12-22 13:48:07,763 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:07,763 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:07,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 13:48:07,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:07,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:07,764 INFO L85 PathProgramCache]: Analyzing trace with hash -820998251, now seen corresponding path program 1 times [2021-12-22 13:48:07,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:07,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786198656] [2021-12-22 13:48:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:07,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:07,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:07,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786198656] [2021-12-22 13:48:07,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786198656] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:07,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795157292] [2021-12-22 13:48:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:07,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:07,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 13:48:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:07,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 13:48:08,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:08,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:08,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795157292] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:08,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:08,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-12-22 13:48:08,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620370059] [2021-12-22 13:48:08,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:08,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-22 13:48:08,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-22 13:48:08,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-12-22 13:48:08,701 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 184 [2021-12-22 13:48:08,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 385 flow. Second operand has 19 states, 19 states have (on average 146.73684210526315) internal successors, (2788), 19 states have internal predecessors, (2788), 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) [2021-12-22 13:48:08,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:08,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 184 [2021-12-22 13:48:08,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:09,080 INFO L129 PetriNetUnfolder]: 232/967 cut-off events. [2021-12-22 13:48:09,081 INFO L130 PetriNetUnfolder]: For 67/74 co-relation queries the response was YES. [2021-12-22 13:48:09,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1495 conditions, 967 events. 232/967 cut-off events. For 67/74 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5926 event pairs, 67 based on Foata normal form. 1/812 useless extension candidates. Maximal degree in co-relation 1486. Up to 188 conditions per place. [2021-12-22 13:48:09,090 INFO L132 encePairwiseOnDemand]: 171/184 looper letters, 46 selfloop transitions, 14 changer transitions 0/193 dead transitions. [2021-12-22 13:48:09,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 193 transitions, 575 flow [2021-12-22 13:48:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:48:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:48:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1933 transitions. [2021-12-22 13:48:09,094 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8081103678929766 [2021-12-22 13:48:09,094 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1933 transitions. [2021-12-22 13:48:09,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1933 transitions. [2021-12-22 13:48:09,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:09,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1933 transitions. [2021-12-22 13:48:09,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 148.69230769230768) internal successors, (1933), 13 states have internal predecessors, (1933), 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) [2021-12-22 13:48:09,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 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) [2021-12-22 13:48:09,104 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 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) [2021-12-22 13:48:09,104 INFO L186 Difference]: Start difference. First operand has 168 places, 165 transitions, 385 flow. Second operand 13 states and 1933 transitions. [2021-12-22 13:48:09,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 193 transitions, 575 flow [2021-12-22 13:48:09,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 193 transitions, 571 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-22 13:48:09,110 INFO L242 Difference]: Finished difference. Result has 182 places, 172 transitions, 457 flow [2021-12-22 13:48:09,110 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=457, PETRI_PLACES=182, PETRI_TRANSITIONS=172} [2021-12-22 13:48:09,112 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 17 predicate places. [2021-12-22 13:48:09,112 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 172 transitions, 457 flow [2021-12-22 13:48:09,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 146.73684210526315) internal successors, (2788), 19 states have internal predecessors, (2788), 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) [2021-12-22 13:48:09,113 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:09,113 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:09,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:09,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:09,332 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:09,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:09,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1387129175, now seen corresponding path program 1 times [2021-12-22 13:48:09,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:09,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938095990] [2021-12-22 13:48:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:09,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:09,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:09,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938095990] [2021-12-22 13:48:09,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938095990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:09,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:09,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 13:48:09,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710620589] [2021-12-22 13:48:09,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:09,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 13:48:09,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:09,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 13:48:09,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 13:48:09,391 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 184 [2021-12-22 13:48:09,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 172 transitions, 457 flow. Second operand has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:09,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:09,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 184 [2021-12-22 13:48:09,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:09,502 INFO L129 PetriNetUnfolder]: 106/711 cut-off events. [2021-12-22 13:48:09,503 INFO L130 PetriNetUnfolder]: For 94/116 co-relation queries the response was YES. [2021-12-22 13:48:09,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 711 events. 106/711 cut-off events. For 94/116 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3850 event pairs, 7 based on Foata normal form. 7/658 useless extension candidates. Maximal degree in co-relation 1056. Up to 104 conditions per place. [2021-12-22 13:48:09,517 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 22 selfloop transitions, 8 changer transitions 0/185 dead transitions. [2021-12-22 13:48:09,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 185 transitions, 557 flow [2021-12-22 13:48:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:48:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:48:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 829 transitions. [2021-12-22 13:48:09,520 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9010869565217391 [2021-12-22 13:48:09,520 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 829 transitions. [2021-12-22 13:48:09,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 829 transitions. [2021-12-22 13:48:09,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:09,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 829 transitions. [2021-12-22 13:48:09,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.8) internal successors, (829), 5 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) [2021-12-22 13:48:09,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:09,524 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:09,525 INFO L186 Difference]: Start difference. First operand has 182 places, 172 transitions, 457 flow. Second operand 5 states and 829 transitions. [2021-12-22 13:48:09,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 185 transitions, 557 flow [2021-12-22 13:48:09,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 185 transitions, 542 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-12-22 13:48:09,531 INFO L242 Difference]: Finished difference. Result has 185 places, 176 transitions, 492 flow [2021-12-22 13:48:09,531 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=492, PETRI_PLACES=185, PETRI_TRANSITIONS=176} [2021-12-22 13:48:09,534 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 20 predicate places. [2021-12-22 13:48:09,534 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 176 transitions, 492 flow [2021-12-22 13:48:09,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:09,534 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:09,535 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:09,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 13:48:09,535 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:09,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1701591507, now seen corresponding path program 1 times [2021-12-22 13:48:09,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:09,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899585800] [2021-12-22 13:48:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:09,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:09,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:09,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899585800] [2021-12-22 13:48:09,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899585800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:09,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:09,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 13:48:09,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635604529] [2021-12-22 13:48:09,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:09,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 13:48:09,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:09,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 13:48:09,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 13:48:09,609 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 184 [2021-12-22 13:48:09,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 176 transitions, 492 flow. Second operand has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:09,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:09,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 184 [2021-12-22 13:48:09,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:09,742 INFO L129 PetriNetUnfolder]: 142/851 cut-off events. [2021-12-22 13:48:09,742 INFO L130 PetriNetUnfolder]: For 228/266 co-relation queries the response was YES. [2021-12-22 13:48:09,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1345 conditions, 851 events. 142/851 cut-off events. For 228/266 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5185 event pairs, 11 based on Foata normal form. 3/792 useless extension candidates. Maximal degree in co-relation 1329. Up to 158 conditions per place. [2021-12-22 13:48:09,751 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 21 selfloop transitions, 7 changer transitions 0/188 dead transitions. [2021-12-22 13:48:09,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 188 transitions, 583 flow [2021-12-22 13:48:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:48:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:48:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 828 transitions. [2021-12-22 13:48:09,753 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-12-22 13:48:09,754 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 828 transitions. [2021-12-22 13:48:09,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 828 transitions. [2021-12-22 13:48:09,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:09,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 828 transitions. [2021-12-22 13:48:09,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.6) internal successors, (828), 5 states have internal predecessors, (828), 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) [2021-12-22 13:48:09,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:09,758 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:09,758 INFO L186 Difference]: Start difference. First operand has 185 places, 176 transitions, 492 flow. Second operand 5 states and 828 transitions. [2021-12-22 13:48:09,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 188 transitions, 583 flow [2021-12-22 13:48:09,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 583 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:48:09,763 INFO L242 Difference]: Finished difference. Result has 192 places, 180 transitions, 536 flow [2021-12-22 13:48:09,764 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=536, PETRI_PLACES=192, PETRI_TRANSITIONS=180} [2021-12-22 13:48:09,765 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 27 predicate places. [2021-12-22 13:48:09,765 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 180 transitions, 536 flow [2021-12-22 13:48:09,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:09,765 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:09,766 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:09,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 13:48:09,766 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:09,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:09,767 INFO L85 PathProgramCache]: Analyzing trace with hash -317912579, now seen corresponding path program 1 times [2021-12-22 13:48:09,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:09,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091953076] [2021-12-22 13:48:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:09,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:10,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:10,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091953076] [2021-12-22 13:48:10,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091953076] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:10,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992586629] [2021-12-22 13:48:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:10,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:10,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:10,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 13:48:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:10,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-22 13:48:10,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:10,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:11,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992586629] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:11,014 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:11,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-12-22 13:48:11,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116736364] [2021-12-22 13:48:11,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:11,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-22 13:48:11,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:11,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-22 13:48:11,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2021-12-22 13:48:11,020 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 184 [2021-12-22 13:48:11,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 180 transitions, 536 flow. Second operand has 31 states, 31 states have (on average 125.25806451612904) internal successors, (3883), 31 states have internal predecessors, (3883), 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) [2021-12-22 13:48:11,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:11,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 184 [2021-12-22 13:48:11,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:12,363 INFO L129 PetriNetUnfolder]: 1347/4183 cut-off events. [2021-12-22 13:48:12,364 INFO L130 PetriNetUnfolder]: For 1291/1353 co-relation queries the response was YES. [2021-12-22 13:48:12,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8282 conditions, 4183 events. 1347/4183 cut-off events. For 1291/1353 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 37453 event pairs, 831 based on Foata normal form. 33/3748 useless extension candidates. Maximal degree in co-relation 8263. Up to 1413 conditions per place. [2021-12-22 13:48:12,404 INFO L132 encePairwiseOnDemand]: 164/184 looper letters, 71 selfloop transitions, 21 changer transitions 0/216 dead transitions. [2021-12-22 13:48:12,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 216 transitions, 815 flow [2021-12-22 13:48:12,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 13:48:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-22 13:48:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2411 transitions. [2021-12-22 13:48:12,410 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6896453089244852 [2021-12-22 13:48:12,410 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2411 transitions. [2021-12-22 13:48:12,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2411 transitions. [2021-12-22 13:48:12,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:12,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2411 transitions. [2021-12-22 13:48:12,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 126.89473684210526) internal successors, (2411), 19 states have internal predecessors, (2411), 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) [2021-12-22 13:48:12,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 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) [2021-12-22 13:48:12,423 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 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) [2021-12-22 13:48:12,423 INFO L186 Difference]: Start difference. First operand has 192 places, 180 transitions, 536 flow. Second operand 19 states and 2411 transitions. [2021-12-22 13:48:12,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 216 transitions, 815 flow [2021-12-22 13:48:12,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 216 transitions, 815 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:48:12,431 INFO L242 Difference]: Finished difference. Result has 217 places, 187 transitions, 627 flow [2021-12-22 13:48:12,431 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=627, PETRI_PLACES=217, PETRI_TRANSITIONS=187} [2021-12-22 13:48:12,432 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 52 predicate places. [2021-12-22 13:48:12,432 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 187 transitions, 627 flow [2021-12-22 13:48:12,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 125.25806451612904) internal successors, (3883), 31 states have internal predecessors, (3883), 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) [2021-12-22 13:48:12,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:12,434 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:12,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:12,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-22 13:48:12,647 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:12,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:12,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1744315764, now seen corresponding path program 1 times [2021-12-22 13:48:12,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:12,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825166404] [2021-12-22 13:48:12,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:12,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:12,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:12,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825166404] [2021-12-22 13:48:12,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825166404] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:12,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873467281] [2021-12-22 13:48:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:12,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:12,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:12,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 13:48:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:13,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-22 13:48:13,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:13,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:14,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873467281] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:14,058 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:14,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-12-22 13:48:14,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530081114] [2021-12-22 13:48:14,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:14,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-22 13:48:14,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:14,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-22 13:48:14,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2021-12-22 13:48:14,064 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 184 [2021-12-22 13:48:14,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 187 transitions, 627 flow. Second operand has 31 states, 31 states have (on average 126.41935483870968) internal successors, (3919), 31 states have internal predecessors, (3919), 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) [2021-12-22 13:48:14,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:14,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 184 [2021-12-22 13:48:14,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:15,145 INFO L129 PetriNetUnfolder]: 1000/2883 cut-off events. [2021-12-22 13:48:15,145 INFO L130 PetriNetUnfolder]: For 1403/1460 co-relation queries the response was YES. [2021-12-22 13:48:15,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6545 conditions, 2883 events. 1000/2883 cut-off events. For 1403/1460 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 23451 event pairs, 690 based on Foata normal form. 23/2631 useless extension candidates. Maximal degree in co-relation 6518. Up to 1174 conditions per place. [2021-12-22 13:48:15,173 INFO L132 encePairwiseOnDemand]: 167/184 looper letters, 50 selfloop transitions, 13 changer transitions 21/208 dead transitions. [2021-12-22 13:48:15,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 208 transitions, 853 flow [2021-12-22 13:48:15,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 13:48:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-22 13:48:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2174 transitions. [2021-12-22 13:48:15,179 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6950127877237852 [2021-12-22 13:48:15,179 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2174 transitions. [2021-12-22 13:48:15,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2174 transitions. [2021-12-22 13:48:15,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:15,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2174 transitions. [2021-12-22 13:48:15,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 127.88235294117646) internal successors, (2174), 17 states have internal predecessors, (2174), 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) [2021-12-22 13:48:15,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 184.0) internal successors, (3312), 18 states have internal predecessors, (3312), 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) [2021-12-22 13:48:15,190 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 184.0) internal successors, (3312), 18 states have internal predecessors, (3312), 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) [2021-12-22 13:48:15,190 INFO L186 Difference]: Start difference. First operand has 217 places, 187 transitions, 627 flow. Second operand 17 states and 2174 transitions. [2021-12-22 13:48:15,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 208 transitions, 853 flow [2021-12-22 13:48:15,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 208 transitions, 827 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-12-22 13:48:15,197 INFO L242 Difference]: Finished difference. Result has 223 places, 177 transitions, 573 flow [2021-12-22 13:48:15,198 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=573, PETRI_PLACES=223, PETRI_TRANSITIONS=177} [2021-12-22 13:48:15,198 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 58 predicate places. [2021-12-22 13:48:15,199 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 177 transitions, 573 flow [2021-12-22 13:48:15,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 126.41935483870968) internal successors, (3919), 31 states have internal predecessors, (3919), 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) [2021-12-22 13:48:15,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:15,201 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:15,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:15,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:15,417 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:15,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:15,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1864471057, now seen corresponding path program 2 times [2021-12-22 13:48:15,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:15,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591875004] [2021-12-22 13:48:15,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:15,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:15,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:15,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591875004] [2021-12-22 13:48:15,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591875004] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:15,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857748286] [2021-12-22 13:48:15,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 13:48:15,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:15,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:15,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 13:48:15,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 13:48:15,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:15,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 13:48:15,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:15,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:16,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857748286] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:16,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:48:16,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 23 [2021-12-22 13:48:16,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452413050] [2021-12-22 13:48:16,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:16,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 13:48:16,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:16,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 13:48:16,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2021-12-22 13:48:16,352 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 184 [2021-12-22 13:48:16,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 177 transitions, 573 flow. Second operand has 11 states, 11 states have (on average 138.1818181818182) internal successors, (1520), 11 states have internal predecessors, (1520), 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) [2021-12-22 13:48:16,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:16,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 184 [2021-12-22 13:48:16,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:17,547 INFO L129 PetriNetUnfolder]: 2637/6323 cut-off events. [2021-12-22 13:48:17,548 INFO L130 PetriNetUnfolder]: For 3017/3030 co-relation queries the response was YES. [2021-12-22 13:48:17,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14891 conditions, 6323 events. 2637/6323 cut-off events. For 3017/3030 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 56418 event pairs, 486 based on Foata normal form. 13/6087 useless extension candidates. Maximal degree in co-relation 14863. Up to 1159 conditions per place. [2021-12-22 13:48:17,615 INFO L132 encePairwiseOnDemand]: 170/184 looper letters, 82 selfloop transitions, 20 changer transitions 0/234 dead transitions. [2021-12-22 13:48:17,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 234 transitions, 960 flow [2021-12-22 13:48:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 13:48:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-22 13:48:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1992 transitions. [2021-12-22 13:48:17,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7732919254658385 [2021-12-22 13:48:17,621 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1992 transitions. [2021-12-22 13:48:17,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1992 transitions. [2021-12-22 13:48:17,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:17,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1992 transitions. [2021-12-22 13:48:17,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 142.28571428571428) internal successors, (1992), 14 states have internal predecessors, (1992), 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) [2021-12-22 13:48:17,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 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) [2021-12-22 13:48:17,631 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 184.0) internal successors, (2760), 15 states have internal predecessors, (2760), 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) [2021-12-22 13:48:17,631 INFO L186 Difference]: Start difference. First operand has 223 places, 177 transitions, 573 flow. Second operand 14 states and 1992 transitions. [2021-12-22 13:48:17,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 234 transitions, 960 flow [2021-12-22 13:48:17,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 234 transitions, 886 flow, removed 23 selfloop flow, removed 19 redundant places. [2021-12-22 13:48:17,697 INFO L242 Difference]: Finished difference. Result has 210 places, 189 transitions, 636 flow [2021-12-22 13:48:17,697 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=636, PETRI_PLACES=210, PETRI_TRANSITIONS=189} [2021-12-22 13:48:17,698 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 45 predicate places. [2021-12-22 13:48:17,698 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 189 transitions, 636 flow [2021-12-22 13:48:17,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.1818181818182) internal successors, (1520), 11 states have internal predecessors, (1520), 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) [2021-12-22 13:48:17,698 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:17,699 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:17,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:17,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:17,899 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2134907059, now seen corresponding path program 3 times [2021-12-22 13:48:17,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:17,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977288239] [2021-12-22 13:48:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:17,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:18,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977288239] [2021-12-22 13:48:18,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977288239] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647799022] [2021-12-22 13:48:18,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 13:48:18,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:18,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:18,010 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:18,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 13:48:18,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-22 13:48:18,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:18,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 13:48:18,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:18,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:18,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647799022] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:18,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:18,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2021-12-22 13:48:18,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393005137] [2021-12-22 13:48:18,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:18,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-22 13:48:18,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:18,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-22 13:48:18,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-12-22 13:48:18,575 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 184 [2021-12-22 13:48:18,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 189 transitions, 636 flow. Second operand has 16 states, 16 states have (on average 134.0625) internal successors, (2145), 16 states have internal predecessors, (2145), 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) [2021-12-22 13:48:18,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:18,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 184 [2021-12-22 13:48:18,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:21,063 INFO L129 PetriNetUnfolder]: 6313/14708 cut-off events. [2021-12-22 13:48:21,063 INFO L130 PetriNetUnfolder]: For 8141/8257 co-relation queries the response was YES. [2021-12-22 13:48:21,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34016 conditions, 14708 events. 6313/14708 cut-off events. For 8141/8257 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 142139 event pairs, 362 based on Foata normal form. 46/14482 useless extension candidates. Maximal degree in co-relation 33993. Up to 1168 conditions per place. [2021-12-22 13:48:21,198 INFO L132 encePairwiseOnDemand]: 165/184 looper letters, 228 selfloop transitions, 106 changer transitions 0/461 dead transitions. [2021-12-22 13:48:21,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 461 transitions, 2237 flow [2021-12-22 13:48:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-22 13:48:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-12-22 13:48:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3796 transitions. [2021-12-22 13:48:21,205 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7640901771336553 [2021-12-22 13:48:21,205 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3796 transitions. [2021-12-22 13:48:21,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3796 transitions. [2021-12-22 13:48:21,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:21,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3796 transitions. [2021-12-22 13:48:21,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 140.59259259259258) internal successors, (3796), 27 states have internal predecessors, (3796), 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) [2021-12-22 13:48:21,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 184.0) internal successors, (5152), 28 states have internal predecessors, (5152), 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) [2021-12-22 13:48:21,224 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 184.0) internal successors, (5152), 28 states have internal predecessors, (5152), 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) [2021-12-22 13:48:21,224 INFO L186 Difference]: Start difference. First operand has 210 places, 189 transitions, 636 flow. Second operand 27 states and 3796 transitions. [2021-12-22 13:48:21,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 461 transitions, 2237 flow [2021-12-22 13:48:21,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 461 transitions, 2224 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-12-22 13:48:21,313 INFO L242 Difference]: Finished difference. Result has 248 places, 278 transitions, 1489 flow [2021-12-22 13:48:21,314 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1489, PETRI_PLACES=248, PETRI_TRANSITIONS=278} [2021-12-22 13:48:21,315 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 83 predicate places. [2021-12-22 13:48:21,316 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 278 transitions, 1489 flow [2021-12-22 13:48:21,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 134.0625) internal successors, (2145), 16 states have internal predecessors, (2145), 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) [2021-12-22 13:48:21,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:21,317 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:21,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:21,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-22 13:48:21,543 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2276479, now seen corresponding path program 4 times [2021-12-22 13:48:21,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:21,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71625723] [2021-12-22 13:48:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:21,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:21,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:21,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71625723] [2021-12-22 13:48:21,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71625723] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:21,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245903487] [2021-12-22 13:48:21,678 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-22 13:48:21,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:21,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:21,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 13:48:21,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-22 13:48:21,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:21,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 13:48:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:22,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:22,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245903487] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:22,564 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:22,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-12-22 13:48:22,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542241064] [2021-12-22 13:48:22,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:22,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-22 13:48:22,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-22 13:48:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-12-22 13:48:22,568 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 184 [2021-12-22 13:48:22,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 278 transitions, 1489 flow. Second operand has 24 states, 24 states have (on average 137.875) internal successors, (3309), 24 states have internal predecessors, (3309), 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) [2021-12-22 13:48:22,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:22,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 184 [2021-12-22 13:48:22,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:24,923 INFO L129 PetriNetUnfolder]: 5351/13688 cut-off events. [2021-12-22 13:48:24,923 INFO L130 PetriNetUnfolder]: For 43053/43937 co-relation queries the response was YES. [2021-12-22 13:48:24,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42376 conditions, 13688 events. 5351/13688 cut-off events. For 43053/43937 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 138601 event pairs, 533 based on Foata normal form. 118/13467 useless extension candidates. Maximal degree in co-relation 42335. Up to 1715 conditions per place. [2021-12-22 13:48:25,072 INFO L132 encePairwiseOnDemand]: 168/184 looper letters, 185 selfloop transitions, 128 changer transitions 0/462 dead transitions. [2021-12-22 13:48:25,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 462 transitions, 3453 flow [2021-12-22 13:48:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 13:48:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-22 13:48:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2721 transitions. [2021-12-22 13:48:25,077 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7783180778032036 [2021-12-22 13:48:25,077 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2721 transitions. [2021-12-22 13:48:25,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2721 transitions. [2021-12-22 13:48:25,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:25,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2721 transitions. [2021-12-22 13:48:25,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 143.21052631578948) internal successors, (2721), 19 states have internal predecessors, (2721), 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) [2021-12-22 13:48:25,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 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) [2021-12-22 13:48:25,090 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 184.0) internal successors, (3680), 20 states have internal predecessors, (3680), 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) [2021-12-22 13:48:25,090 INFO L186 Difference]: Start difference. First operand has 248 places, 278 transitions, 1489 flow. Second operand 19 states and 2721 transitions. [2021-12-22 13:48:25,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 462 transitions, 3453 flow [2021-12-22 13:48:25,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 462 transitions, 3380 flow, removed 28 selfloop flow, removed 9 redundant places. [2021-12-22 13:48:25,358 INFO L242 Difference]: Finished difference. Result has 265 places, 342 transitions, 2488 flow [2021-12-22 13:48:25,359 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2488, PETRI_PLACES=265, PETRI_TRANSITIONS=342} [2021-12-22 13:48:25,359 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 100 predicate places. [2021-12-22 13:48:25,360 INFO L470 AbstractCegarLoop]: Abstraction has has 265 places, 342 transitions, 2488 flow [2021-12-22 13:48:25,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 137.875) internal successors, (3309), 24 states have internal predecessors, (3309), 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) [2021-12-22 13:48:25,361 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:25,361 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:25,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:25,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:25,584 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:25,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:25,585 INFO L85 PathProgramCache]: Analyzing trace with hash -655958861, now seen corresponding path program 5 times [2021-12-22 13:48:25,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:25,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408104702] [2021-12-22 13:48:25,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:25,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:25,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:25,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408104702] [2021-12-22 13:48:25,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408104702] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:25,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342677550] [2021-12-22 13:48:25,708 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-22 13:48:25,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:25,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:25,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 13:48:25,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-12-22 13:48:25,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:25,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 13:48:25,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:26,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:26,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342677550] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:26,227 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:26,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2021-12-22 13:48:26,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567640705] [2021-12-22 13:48:26,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:26,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-22 13:48:26,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-22 13:48:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-22 13:48:26,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 184 [2021-12-22 13:48:26,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 342 transitions, 2488 flow. Second operand has 17 states, 17 states have (on average 133.8235294117647) internal successors, (2275), 17 states have internal predecessors, (2275), 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) [2021-12-22 13:48:26,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:26,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 184 [2021-12-22 13:48:26,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:30,533 INFO L129 PetriNetUnfolder]: 10062/23942 cut-off events. [2021-12-22 13:48:30,533 INFO L130 PetriNetUnfolder]: For 90666/90944 co-relation queries the response was YES. [2021-12-22 13:48:30,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78489 conditions, 23942 events. 10062/23942 cut-off events. For 90666/90944 co-relation queries the response was YES. Maximal size of possible extension queue 827. Compared 256303 event pairs, 1072 based on Foata normal form. 121/23584 useless extension candidates. Maximal degree in co-relation 78442. Up to 2146 conditions per place. [2021-12-22 13:48:30,993 INFO L132 encePairwiseOnDemand]: 164/184 looper letters, 274 selfloop transitions, 199 changer transitions 0/600 dead transitions. [2021-12-22 13:48:30,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 600 transitions, 4967 flow [2021-12-22 13:48:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-22 13:48:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-12-22 13:48:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3834 transitions. [2021-12-22 13:48:31,003 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7717391304347826 [2021-12-22 13:48:31,003 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3834 transitions. [2021-12-22 13:48:31,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3834 transitions. [2021-12-22 13:48:31,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:31,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3834 transitions. [2021-12-22 13:48:31,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 142.0) internal successors, (3834), 27 states have internal predecessors, (3834), 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) [2021-12-22 13:48:31,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 184.0) internal successors, (5152), 28 states have internal predecessors, (5152), 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) [2021-12-22 13:48:31,014 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 184.0) internal successors, (5152), 28 states have internal predecessors, (5152), 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) [2021-12-22 13:48:31,014 INFO L186 Difference]: Start difference. First operand has 265 places, 342 transitions, 2488 flow. Second operand 27 states and 3834 transitions. [2021-12-22 13:48:31,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 600 transitions, 4967 flow [2021-12-22 13:48:31,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 600 transitions, 4853 flow, removed 11 selfloop flow, removed 11 redundant places. [2021-12-22 13:48:31,612 INFO L242 Difference]: Finished difference. Result has 292 places, 406 transitions, 3641 flow [2021-12-22 13:48:31,613 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=3641, PETRI_PLACES=292, PETRI_TRANSITIONS=406} [2021-12-22 13:48:31,614 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 127 predicate places. [2021-12-22 13:48:31,614 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 406 transitions, 3641 flow [2021-12-22 13:48:31,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 133.8235294117647) internal successors, (2275), 17 states have internal predecessors, (2275), 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) [2021-12-22 13:48:31,614 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:31,615 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:31,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-22 13:48:31,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:31,823 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:31,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:31,824 INFO L85 PathProgramCache]: Analyzing trace with hash 840754755, now seen corresponding path program 6 times [2021-12-22 13:48:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:31,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867982866] [2021-12-22 13:48:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:31,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:31,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:31,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867982866] [2021-12-22 13:48:31,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867982866] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:31,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461883558] [2021-12-22 13:48:31,926 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-22 13:48:31,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:31,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:31,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:31,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-22 13:48:32,077 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-12-22 13:48:32,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:32,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 13:48:32,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:32,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:48:32,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461883558] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:32,772 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:32,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2021-12-22 13:48:32,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064056162] [2021-12-22 13:48:32,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:32,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-22 13:48:32,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:32,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-22 13:48:32,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2021-12-22 13:48:32,775 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 184 [2021-12-22 13:48:32,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 406 transitions, 3641 flow. Second operand has 25 states, 25 states have (on average 137.76) internal successors, (3444), 25 states have internal predecessors, (3444), 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) [2021-12-22 13:48:32,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:32,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 184 [2021-12-22 13:48:32,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:35,866 INFO L129 PetriNetUnfolder]: 6126/15733 cut-off events. [2021-12-22 13:48:35,866 INFO L130 PetriNetUnfolder]: For 78779/80831 co-relation queries the response was YES. [2021-12-22 13:48:35,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55801 conditions, 15733 events. 6126/15733 cut-off events. For 78779/80831 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 163373 event pairs, 776 based on Foata normal form. 170/15408 useless extension candidates. Maximal degree in co-relation 55744. Up to 2013 conditions per place. [2021-12-22 13:48:36,062 INFO L132 encePairwiseOnDemand]: 169/184 looper letters, 213 selfloop transitions, 144 changer transitions 0/532 dead transitions. [2021-12-22 13:48:36,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 532 transitions, 5470 flow [2021-12-22 13:48:36,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-22 13:48:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-22 13:48:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2576 transitions. [2021-12-22 13:48:36,071 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-12-22 13:48:36,071 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2576 transitions. [2021-12-22 13:48:36,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2576 transitions. [2021-12-22 13:48:36,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:36,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2576 transitions. [2021-12-22 13:48:36,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 143.11111111111111) internal successors, (2576), 18 states have internal predecessors, (2576), 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) [2021-12-22 13:48:36,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 184.0) internal successors, (3496), 19 states have internal predecessors, (3496), 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) [2021-12-22 13:48:36,083 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 184.0) internal successors, (3496), 19 states have internal predecessors, (3496), 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) [2021-12-22 13:48:36,083 INFO L186 Difference]: Start difference. First operand has 292 places, 406 transitions, 3641 flow. Second operand 18 states and 2576 transitions. [2021-12-22 13:48:36,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 532 transitions, 5470 flow [2021-12-22 13:48:36,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 532 transitions, 5309 flow, removed 46 selfloop flow, removed 10 redundant places. [2021-12-22 13:48:36,665 INFO L242 Difference]: Finished difference. Result has 304 places, 432 transitions, 4312 flow [2021-12-22 13:48:36,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=3516, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4312, PETRI_PLACES=304, PETRI_TRANSITIONS=432} [2021-12-22 13:48:36,666 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 139 predicate places. [2021-12-22 13:48:36,666 INFO L470 AbstractCegarLoop]: Abstraction has has 304 places, 432 transitions, 4312 flow [2021-12-22 13:48:36,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 137.76) internal successors, (3444), 25 states have internal predecessors, (3444), 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) [2021-12-22 13:48:36,668 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:36,668 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:36,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-22 13:48:36,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-22 13:48:36,892 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:36,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1652056069, now seen corresponding path program 7 times [2021-12-22 13:48:36,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:36,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213870603] [2021-12-22 13:48:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:36,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:37,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213870603] [2021-12-22 13:48:37,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213870603] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704039759] [2021-12-22 13:48:37,006 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-22 13:48:37,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:37,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:37,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:37,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-22 13:48:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:37,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 13:48:37,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:37,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:37,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704039759] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:37,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:48:37,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 25 [2021-12-22 13:48:37,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598258252] [2021-12-22 13:48:37,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:37,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 13:48:37,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:37,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 13:48:37,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2021-12-22 13:48:37,769 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 184 [2021-12-22 13:48:37,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 432 transitions, 4312 flow. Second operand has 11 states, 11 states have (on average 138.1818181818182) internal successors, (1520), 11 states have internal predecessors, (1520), 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) [2021-12-22 13:48:37,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:37,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 184 [2021-12-22 13:48:37,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:40,437 INFO L129 PetriNetUnfolder]: 5964/15601 cut-off events. [2021-12-22 13:48:40,437 INFO L130 PetriNetUnfolder]: For 87652/89541 co-relation queries the response was YES. [2021-12-22 13:48:40,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57233 conditions, 15601 events. 5964/15601 cut-off events. For 87652/89541 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 163425 event pairs, 684 based on Foata normal form. 150/15274 useless extension candidates. Maximal degree in co-relation 57171. Up to 4186 conditions per place. [2021-12-22 13:48:40,629 INFO L132 encePairwiseOnDemand]: 169/184 looper letters, 122 selfloop transitions, 169 changer transitions 0/464 dead transitions. [2021-12-22 13:48:40,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 464 transitions, 5135 flow [2021-12-22 13:48:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:48:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:48:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1846 transitions. [2021-12-22 13:48:40,632 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7717391304347826 [2021-12-22 13:48:40,632 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1846 transitions. [2021-12-22 13:48:40,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1846 transitions. [2021-12-22 13:48:40,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:40,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1846 transitions. [2021-12-22 13:48:40,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 142.0) internal successors, (1846), 13 states have internal predecessors, (1846), 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) [2021-12-22 13:48:40,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 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) [2021-12-22 13:48:40,638 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 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) [2021-12-22 13:48:40,638 INFO L186 Difference]: Start difference. First operand has 304 places, 432 transitions, 4312 flow. Second operand 13 states and 1846 transitions. [2021-12-22 13:48:40,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 464 transitions, 5135 flow [2021-12-22 13:48:41,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 464 transitions, 4994 flow, removed 39 selfloop flow, removed 9 redundant places. [2021-12-22 13:48:41,229 INFO L242 Difference]: Finished difference. Result has 310 places, 433 transitions, 4784 flow [2021-12-22 13:48:41,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=4142, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4784, PETRI_PLACES=310, PETRI_TRANSITIONS=433} [2021-12-22 13:48:41,229 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 145 predicate places. [2021-12-22 13:48:41,230 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 433 transitions, 4784 flow [2021-12-22 13:48:41,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.1818181818182) internal successors, (1520), 11 states have internal predecessors, (1520), 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) [2021-12-22 13:48:41,230 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:41,230 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:41,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-22 13:48:41,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-22 13:48:41,431 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:41,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:41,431 INFO L85 PathProgramCache]: Analyzing trace with hash -93691421, now seen corresponding path program 2 times [2021-12-22 13:48:41,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:41,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659900033] [2021-12-22 13:48:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:41,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:41,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:41,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659900033] [2021-12-22 13:48:41,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659900033] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:41,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194119639] [2021-12-22 13:48:41,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 13:48:41,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:41,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:41,531 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:41,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-22 13:48:41,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 13:48:41,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 13:48:41,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 13:48:41,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:41,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 13:48:42,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194119639] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:42,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:48:42,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2021-12-22 13:48:42,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579769512] [2021-12-22 13:48:42,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:42,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 13:48:42,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 13:48:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-12-22 13:48:42,193 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 184 [2021-12-22 13:48:42,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 433 transitions, 4784 flow. Second operand has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 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) [2021-12-22 13:48:42,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:42,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 184 [2021-12-22 13:48:42,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:43,130 INFO L129 PetriNetUnfolder]: 1529/5842 cut-off events. [2021-12-22 13:48:43,130 INFO L130 PetriNetUnfolder]: For 45886/48511 co-relation queries the response was YES. [2021-12-22 13:48:43,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21149 conditions, 5842 events. 1529/5842 cut-off events. For 45886/48511 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 58209 event pairs, 225 based on Foata normal form. 319/5838 useless extension candidates. Maximal degree in co-relation 21085. Up to 916 conditions per place. [2021-12-22 13:48:43,221 INFO L132 encePairwiseOnDemand]: 173/184 looper letters, 145 selfloop transitions, 51 changer transitions 0/484 dead transitions. [2021-12-22 13:48:43,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 484 transitions, 5951 flow [2021-12-22 13:48:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 13:48:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-22 13:48:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1483 transitions. [2021-12-22 13:48:43,225 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8059782608695653 [2021-12-22 13:48:43,225 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1483 transitions. [2021-12-22 13:48:43,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1483 transitions. [2021-12-22 13:48:43,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:43,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1483 transitions. [2021-12-22 13:48:43,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.3) internal successors, (1483), 10 states have internal predecessors, (1483), 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) [2021-12-22 13:48:43,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 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) [2021-12-22 13:48:43,230 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 184.0) internal successors, (2024), 11 states have internal predecessors, (2024), 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) [2021-12-22 13:48:43,230 INFO L186 Difference]: Start difference. First operand has 310 places, 433 transitions, 4784 flow. Second operand 10 states and 1483 transitions. [2021-12-22 13:48:43,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 484 transitions, 5951 flow [2021-12-22 13:48:43,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 484 transitions, 5617 flow, removed 49 selfloop flow, removed 14 redundant places. [2021-12-22 13:48:43,396 INFO L242 Difference]: Finished difference. Result has 306 places, 433 transitions, 4646 flow [2021-12-22 13:48:43,396 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=4495, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4646, PETRI_PLACES=306, PETRI_TRANSITIONS=433} [2021-12-22 13:48:43,396 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 141 predicate places. [2021-12-22 13:48:43,397 INFO L470 AbstractCegarLoop]: Abstraction has has 306 places, 433 transitions, 4646 flow [2021-12-22 13:48:43,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 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) [2021-12-22 13:48:43,397 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:43,397 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:43,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-22 13:48:43,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-22 13:48:43,598 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash -347846521, now seen corresponding path program 1 times [2021-12-22 13:48:43,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:43,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106724673] [2021-12-22 13:48:43,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:43,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-22 13:48:43,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:43,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106724673] [2021-12-22 13:48:43,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106724673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:48:43,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:48:43,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 13:48:43,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355005839] [2021-12-22 13:48:43,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:48:43,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 13:48:43,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:43,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 13:48:43,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 13:48:43,653 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 184 [2021-12-22 13:48:43,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 433 transitions, 4646 flow. Second operand has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:43,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:43,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 184 [2021-12-22 13:48:43,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:44,566 INFO L129 PetriNetUnfolder]: 1241/5796 cut-off events. [2021-12-22 13:48:44,566 INFO L130 PetriNetUnfolder]: For 31374/32241 co-relation queries the response was YES. [2021-12-22 13:48:44,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19175 conditions, 5796 events. 1241/5796 cut-off events. For 31374/32241 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 59074 event pairs, 68 based on Foata normal form. 115/5804 useless extension candidates. Maximal degree in co-relation 19115. Up to 359 conditions per place. [2021-12-22 13:48:44,658 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 31 selfloop transitions, 8 changer transitions 0/450 dead transitions. [2021-12-22 13:48:44,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 450 transitions, 4832 flow [2021-12-22 13:48:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:48:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:48:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 826 transitions. [2021-12-22 13:48:44,660 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8978260869565218 [2021-12-22 13:48:44,661 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 826 transitions. [2021-12-22 13:48:44,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 826 transitions. [2021-12-22 13:48:44,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:48:44,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 826 transitions. [2021-12-22 13:48:44,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.2) internal successors, (826), 5 states have internal predecessors, (826), 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) [2021-12-22 13:48:44,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:44,664 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-12-22 13:48:44,664 INFO L186 Difference]: Start difference. First operand has 306 places, 433 transitions, 4646 flow. Second operand 5 states and 826 transitions. [2021-12-22 13:48:44,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 450 transitions, 4832 flow [2021-12-22 13:48:44,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 450 transitions, 4773 flow, removed 1 selfloop flow, removed 8 redundant places. [2021-12-22 13:48:44,795 INFO L242 Difference]: Finished difference. Result has 305 places, 436 transitions, 4629 flow [2021-12-22 13:48:44,795 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=4587, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4629, PETRI_PLACES=305, PETRI_TRANSITIONS=436} [2021-12-22 13:48:44,796 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 140 predicate places. [2021-12-22 13:48:44,796 INFO L470 AbstractCegarLoop]: Abstraction has has 305 places, 436 transitions, 4629 flow [2021-12-22 13:48:44,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 163.25) internal successors, (653), 4 states have internal predecessors, (653), 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) [2021-12-22 13:48:44,797 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:48:44,797 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:48:44,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 13:48:44,797 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:48:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:48:44,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1665023302, now seen corresponding path program 1 times [2021-12-22 13:48:44,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:48:44,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118490215] [2021-12-22 13:48:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:44,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:48:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:46,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:48:46,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118490215] [2021-12-22 13:48:46,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118490215] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 13:48:46,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043935912] [2021-12-22 13:48:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:48:46,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:48:46,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:48:46,023 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 13:48:46,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-22 13:48:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:48:46,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-22 13:48:46,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:48:47,107 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-22 13:48:47,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 27 [2021-12-22 13:48:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-22 13:48:47,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:48:48,924 INFO L353 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2021-12-22 13:48:48,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 57 [2021-12-22 13:48:49,003 INFO L353 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2021-12-22 13:48:49,003 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 1 [2021-12-22 13:48:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-22 13:48:49,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043935912] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:48:49,350 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 13:48:49,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25, 17] total 48 [2021-12-22 13:48:49,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606866165] [2021-12-22 13:48:49,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 13:48:49,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-12-22 13:48:49,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:48:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-12-22 13:48:49,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2027, Unknown=0, NotChecked=0, Total=2256 [2021-12-22 13:48:49,358 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 184 [2021-12-22 13:48:49,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 436 transitions, 4629 flow. Second operand has 48 states, 48 states have (on average 87.0) internal successors, (4176), 48 states have internal predecessors, (4176), 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) [2021-12-22 13:48:49,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:48:49,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 184 [2021-12-22 13:48:49,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:48:56,029 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][324], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), 60#L48-1true, Black: 6116#(and (<= (+ 2 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:56,030 INFO L384 tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,031 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,031 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,031 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,107 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][394], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ 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tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,108 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,108 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,108 INFO L387 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2021-12-22 13:48:56,873 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][324], [Black: 6128#(and (<= 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thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:56,873 INFO L384 tUnfolder$Statistics]: this new event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,873 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,873 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,873 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,875 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:56,875 INFO L384 tUnfolder$Statistics]: this new event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,875 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,875 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,875 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-12-22 13:48:56,939 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and 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13:48:57,808 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][379], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 6988#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 211#(and (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), 75#L56-1true, 4389#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 6992#(and (<= 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|ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6122#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:57,808 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,809 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,809 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,809 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,810 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][485], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 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1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:57,811 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,811 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,811 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,811 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,836 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:57,836 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,836 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,836 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,836 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,859 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and 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(<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:57,859 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,860 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,860 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,860 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,918 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][394], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:57,918 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,918 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,918 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:57,918 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-22 13:48:58,861 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][423], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ 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~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,861 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,861 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,862 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,862 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,881 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][614], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 1020#(= 0 (+ (- 1) ~sorted2~0)), Black: 6124#(and (<= 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thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 5256#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 7837#(and (or (< thread2Thread1of1ForFork2_~i~1 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), Black: 7835#(and (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), 16#L87-1true, 3537#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= (+ 2 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thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 211#(and (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), 4389#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 172#L56-2true, 6992#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= 1 ~M~0)), Black: 7851#(<= 2 ~N~0), 5266#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), 8692#(and (= (+ (- 1) ~sorted1~0) 0) |thread1Thread1of1ForFork1_#t~short4|), 1033#(and (= (+ (- 1) ~sorted3~0) 0) |thread3Thread1of1ForFork0_#t~short12|), 994#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 8687#true, Black: 8689#(= (+ (- 1) ~sorted1~0) 0), 2677#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6122#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= 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|ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,882 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,882 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,882 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,882 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,918 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][485], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,918 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,918 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,919 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,919 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,935 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][324], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 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|ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,936 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,936 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,936 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,936 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] 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|ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,942 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,943 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,943 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,943 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and 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thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:58,944 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,944 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,944 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:58,944 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:59,029 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][261], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 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|ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:48:59,029 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-22 13:48:59,030 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:59,030 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:48:59,030 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-22 13:49:00,496 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][453], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ 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~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= 1 ~M~0)), Black: 4395#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= 1 ~M~0)), Black: 4391#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= 1 ~M~0)), Black: 4399#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (or (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (<= 1 ~M~0)) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 4373#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 9664#(and (= ~A~0.offset 0) (or |thread1Thread1of1ForFork1_#t~short4| (<= (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset 4 (* thread1Thread1of1ForFork1_~i~0 4))) (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4))))) (= |thread1Thread1of1ForFork1_#t~mem2| (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4)))) (or (<= (+ (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4))) 1) (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset 4 (* thread1Thread1of1ForFork1_~i~0 4)))) (not |thread1Thread1of1ForFork1_#t~short4|)) (= |thread1Thread1of1ForFork1_#t~mem3| (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset 4 (* thread1Thread1of1ForFork1_~i~0 4)))) (= thread1Thread1of1ForFork1_~i~0 0) (= ~sorted3~0 1) (= ~sorted1~0 1) (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), 1842#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 3535#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0) (<= (+ 2 ~M~0) ~N~0)), Black: 3531#(and (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0) (<= (+ 2 ~M~0) ~N~0)), Black: 3529#(and (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0)), Black: 3527#(and (or (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| 1) (<= 2 ~N~0)) (or (<= |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (<= 2 ~N~0)) (or (not (< |ULTIMATE.start_create_fresh_int_array_~i~3#1| |ULTIMATE.start_create_fresh_int_array_~size#1|)) (<= 2 ~N~0))), Black: 6980#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 6994#(and (or (< thread2Thread1of1ForFork2_~i~1 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 6988#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 211#(and (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), 75#L56-1true, 4389#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 6992#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= 1 ~M~0)), Black: 7851#(<= 2 ~N~0), 5266#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), 1033#(and (= (+ (- 1) ~sorted3~0) 0) |thread3Thread1of1ForFork0_#t~short12|), Black: 8692#(and (= (+ (- 1) ~sorted1~0) 0) |thread1Thread1of1ForFork1_#t~short4|), 994#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 8687#true, 2677#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6122#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,496 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,496 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,496 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,496 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,516 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][722], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 1020#(= 0 (+ (- 1) ~sorted2~0)), Black: 6124#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 1018#true, Black: 6114#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6118#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6126#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6112#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 6120#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 1030#(= (+ (- 1) ~sorted3~0) 0), Black: 1028#true, 7839#(and (< thread2Thread1of1ForFork2_~i~1 ~M~0) (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), 9692#(and (= ~A~0.offset 0) (= |thread1Thread1of1ForFork1_#t~mem2| (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4)))) |thread2Thread1of1ForFork2_#t~short8| (= |thread1Thread1of1ForFork1_#t~mem3| (select (select |#memory_int| ~A~0.base) (+ ~A~0.offset 4 (* thread1Thread1of1ForFork1_~i~0 4)))) (= thread1Thread1of1ForFork1_~i~0 0) (= ~sorted3~0 1) (= ~sorted1~0 1) |thread1Thread1of1ForFork1_#t~short4| (= |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| 0) (= 0 |ULTIMATE.start_create_fresh_int_array_#res#1.offset|)), 1023#(and (= 0 (+ (- 1) ~sorted2~0)) |thread2Thread1of1ForFork2_#t~short8|), Black: 5258#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 5250#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 5254#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 5270#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 5264#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 5256#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 7837#(and (or (< thread2Thread1of1ForFork2_~i~1 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), Black: 7835#(and (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), 16#L87-1true, 3537#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0)), 146#L64-1true, 182#true, Black: 4385#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 4383#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 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1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,516 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] 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0)), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,570 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,570 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,570 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,570 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,605 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][379], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6116#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= 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(<= thread3Thread1of1ForFork0_~i~2 0)), Black: 5256#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 7837#(and (or (< thread2Thread1of1ForFork2_~i~1 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), Black: 7835#(and (or (< 0 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= 2 ~N~0)), 3537#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0)), 146#L64-1true, 182#true, Black: 4385#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= 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thread3Thread1of1ForFork0_~i~2) ~N~0) (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0) (<= (+ 2 ~M~0) ~N~0)), Black: 3531#(and (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0) (<= (+ 2 ~M~0) ~N~0)), Black: 3529#(and (<= (+ 2 thread2Thread1of1ForFork2_~i~1) ~N~0) (<= 2 ~N~0)), Black: 3527#(and (or (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| 1) (<= 2 ~N~0)) (or (<= |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (<= 2 ~N~0)) (or (not (< |ULTIMATE.start_create_fresh_int_array_~i~3#1| |ULTIMATE.start_create_fresh_int_array_~size#1|)) (<= 2 ~N~0))), Black: 6980#(and (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 6994#(and (or (< thread2Thread1of1ForFork2_~i~1 ~M~0) (< (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= 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|ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6122#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,605 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,605 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,605 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,605 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][485], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= 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Black: 6114#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6118#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6126#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ 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|ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,612 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,612 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,612 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,612 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] 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~sorted1~0) 0)), Black: 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), 4389#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), 6992#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|) (<= 1 ~M~0)), 110#L48-2true, Black: 7851#(<= 2 ~N~0), 5266#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= 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~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,614 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,614 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,614 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,614 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,638 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and 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~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,638 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,639 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,639 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,639 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,660 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][324], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= 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new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,661 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,661 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,661 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,732 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][261], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= 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(<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,732 INFO L384 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,732 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,732 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,732 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-22 13:49:00,860 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] 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thread3Thread1of1ForFork0_~i~2 1) ~N~0)) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 6988#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= 1 |ULTIMATE.start_create_fresh_int_array_~i~3#1|)), Black: 211#(and (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), Black: 212#(and (= (+ (- 1) ~sorted3~0) 0) (= 0 (+ (- 1) ~sorted2~0)) (= (+ (- 1) ~sorted1~0) 0)), 75#L56-1true, 4389#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ 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|ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 8689#(= (+ (- 1) ~sorted1~0) 0), 2677#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 6122#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6134#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 6130#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (or (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (< thread2Thread1of1ForFork2_~i~1 ~M~0)) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6132#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0)))]) [2021-12-22 13:49:00,860 INFO L384 tUnfolder$Statistics]: this new event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,860 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,860 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,860 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,878 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([472] L64-->L64-1: Formula: (let ((.cse0 (= (mod v_~sorted3~0_1 256) 0))) (or (and |v_thread3Thread1of1ForFork0_#t~short12_1| (not .cse0)) (and (not |v_thread3Thread1of1ForFork0_#t~short12_1|) .cse0))) InVars {~sorted3~0=v_~sorted3~0_1} OutVars{~sorted3~0=v_~sorted3~0_1, thread3Thread1of1ForFork0_#t~short12=|v_thread3Thread1of1ForFork0_#t~short12_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~short12][752], [Black: 6128#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| 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1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 1018#true, Black: 6114#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (<= 0 thread1Thread1of1ForFork1_~i~0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6118#(and (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| ~N~0) (= thread2Thread1of1ForFork2_~i~1 0) (<= (+ |ULTIMATE.start_create_fresh_int_array_~size#1| 1) (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| ~N~0))), Black: 6126#(and (<= (+ 2 thread3Thread1of1ForFork0_~i~2) ~N~0) (<= thread3Thread1of1ForFork0_~i~2 ~M~0) (<= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (<= 2 ~N~0) (<= |ULTIMATE.start_create_fresh_int_array_#in~size#1| 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existing Event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,878 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-22 13:49:00,878 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event