/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:59:31,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:59:31,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:59:31,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:59:31,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:59:31,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:59:31,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:59:31,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:59:31,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:59:31,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:59:31,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:59:31,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:59:31,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:59:31,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:59:31,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:59:31,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:59:31,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:59:31,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:59:31,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:59:31,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:59:31,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:59:31,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:59:31,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:59:31,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:59:31,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 20:59:31,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 20:59:31,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 20:59:31,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 20:59:31,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 20:59:31,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 20:59:31,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:59:31,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:59:31,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:59:31,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:59:31,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:59:31,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:59:31,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:59:31,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:59:31,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:59:31,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:59:31,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:59:31,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 20:59:31,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:59:31,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:59:31,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:59:31,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:59:31,330 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:59:31,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:59:31,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:59:31,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:59:31,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:59:31,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:59:31,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:59:31,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:59:31,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:59:31,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:59:31,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:59:31,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:59:31,688 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:59:31,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2021-03-11 20:59:31,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af5c4136/6d506a8a16c6477eb1afbba234ece995/FLAGbc7f69660 [2021-03-11 20:59:32,389 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:59:32,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2021-03-11 20:59:32,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af5c4136/6d506a8a16c6477eb1afbba234ece995/FLAGbc7f69660 [2021-03-11 20:59:32,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af5c4136/6d506a8a16c6477eb1afbba234ece995 [2021-03-11 20:59:32,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:59:32,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:59:32,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:59:32,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:59:32,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:59:32,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:59:32" (1/1) ... [2021-03-11 20:59:32,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d69690e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:32, skipping insertion in model container [2021-03-11 20:59:32,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:59:32" (1/1) ... [2021-03-11 20:59:32,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:59:32,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:59:32,945 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 20:59:33,192 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-03-11 20:59:33,198 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-03-11 20:59:33,216 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-03-11 20:59:33,217 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-03-11 20:59:33,222 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-03-11 20:59:33,225 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-03-11 20:59:33,245 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-03-11 20:59:33,247 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-03-11 20:59:33,248 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-03-11 20:59:33,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:59:33,265 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:59:33,284 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 20:59:33,319 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-03-11 20:59:33,323 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-03-11 20:59:33,337 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-03-11 20:59:33,340 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-03-11 20:59:33,346 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-03-11 20:59:33,351 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-03-11 20:59:33,355 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-03-11 20:59:33,356 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-03-11 20:59:33,356 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-03-11 20:59:33,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:59:33,485 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:59:33,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33 WrapperNode [2021-03-11 20:59:33,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:59:33,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:59:33,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:59:33,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:59:33,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:59:33,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:59:33,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:59:33,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:59:33,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... [2021-03-11 20:59:33,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:59:33,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:59:33,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:59:33,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:59:33,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:59:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2021-03-11 20:59:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-11 20:59:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 20:59:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:59:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:59:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:59:33,706 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:59:34,713 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:59:34,714 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-03-11 20:59:34,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:59:34 BoogieIcfgContainer [2021-03-11 20:59:34,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:59:34,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:59:34,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:59:34,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:59:34,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:59:32" (1/3) ... [2021-03-11 20:59:34,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e0689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:59:34, skipping insertion in model container [2021-03-11 20:59:34,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:59:33" (2/3) ... [2021-03-11 20:59:34,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e0689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:59:34, skipping insertion in model container [2021-03-11 20:59:34,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:59:34" (3/3) ... [2021-03-11 20:59:34,724 INFO L111 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2021-03-11 20:59:34,730 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:59:34,735 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2021-03-11 20:59:34,736 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:59:34,804 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,804 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,804 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,804 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,805 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,806 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,807 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,808 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,809 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,810 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,811 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,812 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,813 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,814 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,815 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,816 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,817 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,818 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,819 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,820 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,821 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,822 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,823 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,824 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,825 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,826 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,827 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,828 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,829 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,830 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,831 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,832 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,833 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,834 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,835 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,836 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,837 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,838 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,839 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,840 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,841 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,842 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,843 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,844 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,845 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,846 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,846 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,846 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,848 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,848 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,848 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,848 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,849 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre30.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,850 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,851 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem31.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,852 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,853 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:59:34,859 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 20:59:34,877 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-03-11 20:59:34,897 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:59:34,898 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:59:34,898 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:59:34,898 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:59:34,898 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:59:34,898 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:59:34,898 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:59:34,898 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:59:34,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 466 transitions, 940 flow [2021-03-11 20:59:35,055 INFO L129 PetriNetUnfolder]: 33/465 cut-off events. [2021-03-11 20:59:35,055 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 20:59:35,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 465 events. 33/465 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1117 event pairs, 0 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2021-03-11 20:59:35,068 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 466 transitions, 940 flow [2021-03-11 20:59:35,082 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 420 places, 448 transitions, 902 flow [2021-03-11 20:59:35,086 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:59:35,096 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 448 transitions, 902 flow [2021-03-11 20:59:35,101 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 448 transitions, 902 flow [2021-03-11 20:59:35,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 420 places, 448 transitions, 902 flow [2021-03-11 20:59:35,175 INFO L129 PetriNetUnfolder]: 32/448 cut-off events. [2021-03-11 20:59:35,175 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 20:59:35,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 448 events. 32/448 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1026 event pairs, 0 based on Foata normal form. 0/406 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2021-03-11 20:59:35,196 INFO L116 LiptonReduction]: Number of co-enabled transitions 31742 [2021-03-11 20:59:48,432 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-11 20:59:48,958 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-11 20:59:49,652 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-11 20:59:50,074 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-11 20:59:51,522 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-03-11 20:59:52,076 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-03-11 20:59:52,633 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-03-11 20:59:53,182 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-03-11 20:59:56,107 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 184 DAG size of output: 182 [2021-03-11 20:59:57,041 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-11 20:59:58,381 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 184 DAG size of output: 182 [2021-03-11 20:59:59,196 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-11 20:59:59,353 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-03-11 20:59:59,560 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2021-03-11 20:59:59,781 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-03-11 20:59:59,996 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-03-11 21:00:00,210 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-03-11 21:00:00,386 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-03-11 21:00:03,445 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 232 DAG size of output: 213 [2021-03-11 21:00:04,627 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 208 [2021-03-11 21:00:07,316 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 236 DAG size of output: 218 [2021-03-11 21:00:08,541 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 212 [2021-03-11 21:00:08,654 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2021-03-11 21:00:13,447 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 252 DAG size of output: 232 [2021-03-11 21:00:14,912 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 220 [2021-03-11 21:00:18,594 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 255 DAG size of output: 235 [2021-03-11 21:00:20,132 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 223 [2021-03-11 21:00:20,451 INFO L131 LiptonReduction]: Checked pairs total: 106542 [2021-03-11 21:00:20,451 INFO L133 LiptonReduction]: Total number of compositions: 453 [2021-03-11 21:00:20,454 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45371 [2021-03-11 21:00:20,463 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 21:00:20,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:00:20,463 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:20,464 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2021-03-11 21:00:20,464 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:20,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:20,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1617, now seen corresponding path program 1 times [2021-03-11 21:00:20,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:20,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923028368] [2021-03-11 21:00:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:20,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923028368] [2021-03-11 21:00:20,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:20,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 21:00:20,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321881388] [2021-03-11 21:00:20,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 21:00:20,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 21:00:20,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 21:00:20,607 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 844 out of 919 [2021-03-11 21:00:20,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 121 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 844.5) internal successors, (1689), 2 states have internal predecessors, (1689), 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) [2021-03-11 21:00:20,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:20,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 844 of 919 [2021-03-11 21:00:20,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:20,633 INFO L129 PetriNetUnfolder]: 15/113 cut-off events. [2021-03-11 21:00:20,634 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 21:00:20,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 113 events. 15/113 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 280 event pairs, 0 based on Foata normal form. 6/96 useless extension candidates. Maximal degree in co-relation 116. Up to 3 conditions per place. [2021-03-11 21:00:20,636 INFO L132 encePairwiseOnDemand]: 913/919 looper letters, 0 selfloop transitions, 0 changer transitions 0/113 dead transitions. [2021-03-11 21:00:20,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 113 transitions, 232 flow [2021-03-11 21:00:20,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 21:00:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-11 21:00:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1694 transitions. [2021-03-11 21:00:20,657 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9216539717083787 [2021-03-11 21:00:20,657 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1694 transitions. [2021-03-11 21:00:20,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1694 transitions. [2021-03-11 21:00:20,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:20,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1694 transitions. [2021-03-11 21:00:20,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 847.0) internal successors, (1694), 2 states have internal predecessors, (1694), 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) [2021-03-11 21:00:20,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 919.0) internal successors, (2757), 3 states have internal predecessors, (2757), 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) [2021-03-11 21:00:20,681 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 919.0) internal successors, (2757), 3 states have internal predecessors, (2757), 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) [2021-03-11 21:00:20,683 INFO L185 Difference]: Start difference. First operand has 105 places, 121 transitions, 248 flow. Second operand 2 states and 1694 transitions. [2021-03-11 21:00:20,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 113 transitions, 232 flow [2021-03-11 21:00:20,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 113 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 21:00:20,689 INFO L241 Difference]: Finished difference. Result has 101 places, 113 transitions, 228 flow [2021-03-11 21:00:20,692 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=228, PETRI_PLACES=101, PETRI_TRANSITIONS=113} [2021-03-11 21:00:20,692 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, -4 predicate places. [2021-03-11 21:00:20,692 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 113 transitions, 228 flow [2021-03-11 21:00:20,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 844.5) internal successors, (1689), 2 states have internal predecessors, (1689), 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) [2021-03-11 21:00:20,694 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:20,694 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-11 21:00:20,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 21:00:20,694 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:20,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:20,695 INFO L82 PathProgramCache]: Analyzing trace with hash 314788133, now seen corresponding path program 1 times [2021-03-11 21:00:20,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:20,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873437065] [2021-03-11 21:00:20,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:20,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:20,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:20,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:20,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:00:20,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:20,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873437065] [2021-03-11 21:00:20,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:20,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 21:00:20,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955909009] [2021-03-11 21:00:20,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:00:20,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:20,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:00:20,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:00:20,866 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 811 out of 919 [2021-03-11 21:00:20,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 113 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 812.0) internal successors, (2436), 3 states have internal predecessors, (2436), 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) [2021-03-11 21:00:20,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:20,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 811 of 919 [2021-03-11 21:00:20,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:20,936 INFO L129 PetriNetUnfolder]: 25/191 cut-off events. [2021-03-11 21:00:20,936 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:00:20,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 191 events. 25/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 454 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 201. Up to 7 conditions per place. [2021-03-11 21:00:20,938 INFO L132 encePairwiseOnDemand]: 916/919 looper letters, 7 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2021-03-11 21:00:20,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 116 transitions, 252 flow [2021-03-11 21:00:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:00:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:00:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2443 transitions. [2021-03-11 21:00:20,944 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.886108088501995 [2021-03-11 21:00:20,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2443 transitions. [2021-03-11 21:00:20,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2443 transitions. [2021-03-11 21:00:20,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:20,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2443 transitions. [2021-03-11 21:00:20,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 814.3333333333334) internal successors, (2443), 3 states have internal predecessors, (2443), 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) [2021-03-11 21:00:20,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:20,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:20,957 INFO L185 Difference]: Start difference. First operand has 101 places, 113 transitions, 228 flow. Second operand 3 states and 2443 transitions. [2021-03-11 21:00:20,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 116 transitions, 252 flow [2021-03-11 21:00:20,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 116 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:00:20,962 INFO L241 Difference]: Finished difference. Result has 104 places, 114 transitions, 240 flow [2021-03-11 21:00:20,962 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2021-03-11 21:00:20,965 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, -1 predicate places. [2021-03-11 21:00:20,965 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 240 flow [2021-03-11 21:00:20,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 812.0) internal successors, (2436), 3 states have internal predecessors, (2436), 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) [2021-03-11 21:00:20,967 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:20,967 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:20,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 21:00:20,969 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:20,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1168279074, now seen corresponding path program 1 times [2021-03-11 21:00:20,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:20,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639541133] [2021-03-11 21:00:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:21,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:21,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 21:00:21,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:21,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639541133] [2021-03-11 21:00:21,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:21,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 21:00:21,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602087051] [2021-03-11 21:00:21,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:00:21,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:21,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:00:21,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:00:21,072 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 834 out of 919 [2021-03-11 21:00:21,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 834.6666666666666) internal successors, (2504), 3 states have internal predecessors, (2504), 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) [2021-03-11 21:00:21,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:21,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 834 of 919 [2021-03-11 21:00:21,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:21,097 INFO L129 PetriNetUnfolder]: 23/189 cut-off events. [2021-03-11 21:00:21,098 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 21:00:21,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 189 events. 23/189 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 433 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 199. Up to 6 conditions per place. [2021-03-11 21:00:21,099 INFO L132 encePairwiseOnDemand]: 917/919 looper letters, 2 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2021-03-11 21:00:21,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 114 transitions, 246 flow [2021-03-11 21:00:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:00:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:00:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2506 transitions. [2021-03-11 21:00:21,105 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9089590134203844 [2021-03-11 21:00:21,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2506 transitions. [2021-03-11 21:00:21,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2506 transitions. [2021-03-11 21:00:21,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:21,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2506 transitions. [2021-03-11 21:00:21,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 835.3333333333334) internal successors, (2506), 3 states have internal predecessors, (2506), 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) [2021-03-11 21:00:21,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:21,117 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:21,117 INFO L185 Difference]: Start difference. First operand has 104 places, 114 transitions, 240 flow. Second operand 3 states and 2506 transitions. [2021-03-11 21:00:21,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 114 transitions, 246 flow [2021-03-11 21:00:21,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 114 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:00:21,123 INFO L241 Difference]: Finished difference. Result has 106 places, 114 transitions, 243 flow [2021-03-11 21:00:21,123 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=106, PETRI_TRANSITIONS=114} [2021-03-11 21:00:21,124 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 1 predicate places. [2021-03-11 21:00:21,124 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 114 transitions, 243 flow [2021-03-11 21:00:21,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 834.6666666666666) internal successors, (2504), 3 states have internal predecessors, (2504), 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) [2021-03-11 21:00:21,125 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:21,125 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:21,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 21:00:21,126 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:21,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1866665154, now seen corresponding path program 1 times [2021-03-11 21:00:21,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:21,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717242460] [2021-03-11 21:00:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:21,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:21,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:21,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:00:21,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:21,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:21,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:21,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717242460] [2021-03-11 21:00:21,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:21,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 21:00:21,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052658855] [2021-03-11 21:00:21,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 21:00:21,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:21,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 21:00:21,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 21:00:21,269 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 919 [2021-03-11 21:00:21,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 114 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 501.1666666666667) internal successors, (3007), 6 states have internal predecessors, (3007), 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) [2021-03-11 21:00:21,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:21,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 919 [2021-03-11 21:00:21,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:22,240 INFO L129 PetriNetUnfolder]: 3028/5757 cut-off events. [2021-03-11 21:00:22,240 INFO L130 PetriNetUnfolder]: For 40/62 co-relation queries the response was YES. [2021-03-11 21:00:22,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11256 conditions, 5757 events. 3028/5757 cut-off events. For 40/62 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 32892 event pairs, 772 based on Foata normal form. 22/5092 useless extension candidates. Maximal degree in co-relation 11251. Up to 4907 conditions per place. [2021-03-11 21:00:22,275 INFO L132 encePairwiseOnDemand]: 908/919 looper letters, 169 selfloop transitions, 17 changer transitions 0/203 dead transitions. [2021-03-11 21:00:22,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 203 transitions, 796 flow [2021-03-11 21:00:22,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 21:00:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 21:00:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3687 transitions. [2021-03-11 21:00:22,284 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5731385045857298 [2021-03-11 21:00:22,284 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3687 transitions. [2021-03-11 21:00:22,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3687 transitions. [2021-03-11 21:00:22,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:22,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3687 transitions. [2021-03-11 21:00:22,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 526.7142857142857) internal successors, (3687), 7 states have internal predecessors, (3687), 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) [2021-03-11 21:00:22,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 919.0) internal successors, (7352), 8 states have internal predecessors, (7352), 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) [2021-03-11 21:00:22,309 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 919.0) internal successors, (7352), 8 states have internal predecessors, (7352), 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) [2021-03-11 21:00:22,309 INFO L185 Difference]: Start difference. First operand has 106 places, 114 transitions, 243 flow. Second operand 7 states and 3687 transitions. [2021-03-11 21:00:22,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 203 transitions, 796 flow [2021-03-11 21:00:22,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 203 transitions, 796 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:00:22,317 INFO L241 Difference]: Finished difference. Result has 117 places, 132 transitions, 366 flow [2021-03-11 21:00:22,317 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=366, PETRI_PLACES=117, PETRI_TRANSITIONS=132} [2021-03-11 21:00:22,318 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 12 predicate places. [2021-03-11 21:00:22,318 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 132 transitions, 366 flow [2021-03-11 21:00:22,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 501.1666666666667) internal successors, (3007), 6 states have internal predecessors, (3007), 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) [2021-03-11 21:00:22,319 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:22,319 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:22,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 21:00:22,319 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:22,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1430820936, now seen corresponding path program 1 times [2021-03-11 21:00:22,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:22,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751932200] [2021-03-11 21:00:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 21:00:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:22,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751932200] [2021-03-11 21:00:22,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:22,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:00:22,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606773704] [2021-03-11 21:00:22,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:00:22,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:22,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:00:22,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:00:22,399 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 721 out of 919 [2021-03-11 21:00:22,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 132 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 723.0) internal successors, (2169), 3 states have internal predecessors, (2169), 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) [2021-03-11 21:00:22,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:22,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 721 of 919 [2021-03-11 21:00:22,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:22,545 INFO L129 PetriNetUnfolder]: 148/972 cut-off events. [2021-03-11 21:00:22,545 INFO L130 PetriNetUnfolder]: For 68/73 co-relation queries the response was YES. [2021-03-11 21:00:22,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1339 conditions, 972 events. 148/972 cut-off events. For 68/73 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6040 event pairs, 0 based on Foata normal form. 1/837 useless extension candidates. Maximal degree in co-relation 1328. Up to 111 conditions per place. [2021-03-11 21:00:22,554 INFO L132 encePairwiseOnDemand]: 906/919 looper letters, 23 selfloop transitions, 13 changer transitions 0/143 dead transitions. [2021-03-11 21:00:22,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 143 transitions, 479 flow [2021-03-11 21:00:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:00:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:00:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2195 transitions. [2021-03-11 21:00:22,561 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7961552412042074 [2021-03-11 21:00:22,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2195 transitions. [2021-03-11 21:00:22,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2195 transitions. [2021-03-11 21:00:22,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:22,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2195 transitions. [2021-03-11 21:00:22,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 731.6666666666666) internal successors, (2195), 3 states have internal predecessors, (2195), 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) [2021-03-11 21:00:22,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:22,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 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) [2021-03-11 21:00:22,584 INFO L185 Difference]: Start difference. First operand has 117 places, 132 transitions, 366 flow. Second operand 3 states and 2195 transitions. [2021-03-11 21:00:22,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 143 transitions, 479 flow [2021-03-11 21:00:22,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 143 transitions, 479 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:00:22,590 INFO L241 Difference]: Finished difference. Result has 120 places, 140 transitions, 462 flow [2021-03-11 21:00:22,590 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=120, PETRI_TRANSITIONS=140} [2021-03-11 21:00:22,590 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 15 predicate places. [2021-03-11 21:00:22,591 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 140 transitions, 462 flow [2021-03-11 21:00:22,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 723.0) internal successors, (2169), 3 states have internal predecessors, (2169), 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) [2021-03-11 21:00:22,591 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:22,592 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:22,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 21:00:22,592 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:22,592 INFO L82 PathProgramCache]: Analyzing trace with hash 864276928, now seen corresponding path program 1 times [2021-03-11 21:00:22,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:22,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411429485] [2021-03-11 21:00:22,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:22,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:00:22,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:00:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:00:22,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:00:22,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:00:22,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:00:22,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:00:22,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:22,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:00:22,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:22,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:22,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:22,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411429485] [2021-03-11 21:00:22,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:22,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-11 21:00:22,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545108562] [2021-03-11 21:00:22,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 21:00:22,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:22,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 21:00:22,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-11 21:00:22,781 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 919 [2021-03-11 21:00:22,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 140 transitions, 462 flow. Second operand has 12 states, 12 states have (on average 470.0833333333333) internal successors, (5641), 12 states have internal predecessors, (5641), 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) [2021-03-11 21:00:22,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:22,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 919 [2021-03-11 21:00:22,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:25,784 INFO L129 PetriNetUnfolder]: 5607/10641 cut-off events. [2021-03-11 21:00:25,784 INFO L130 PetriNetUnfolder]: For 2099/2125 co-relation queries the response was YES. [2021-03-11 21:00:25,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23544 conditions, 10641 events. 5607/10641 cut-off events. For 2099/2125 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 67538 event pairs, 1042 based on Foata normal form. 62/9763 useless extension candidates. Maximal degree in co-relation 23531. Up to 8841 conditions per place. [2021-03-11 21:00:25,843 INFO L132 encePairwiseOnDemand]: 903/919 looper letters, 345 selfloop transitions, 89 changer transitions 0/449 dead transitions. [2021-03-11 21:00:25,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 449 transitions, 2343 flow [2021-03-11 21:00:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 21:00:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-11 21:00:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 11651 transitions. [2021-03-11 21:00:25,866 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5282462821907871 [2021-03-11 21:00:25,867 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 11651 transitions. [2021-03-11 21:00:25,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 11651 transitions. [2021-03-11 21:00:25,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:25,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 11651 transitions. [2021-03-11 21:00:25,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 485.4583333333333) internal successors, (11651), 24 states have internal predecessors, (11651), 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) [2021-03-11 21:00:25,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:00:25,925 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:00:25,925 INFO L185 Difference]: Start difference. First operand has 120 places, 140 transitions, 462 flow. Second operand 24 states and 11651 transitions. [2021-03-11 21:00:25,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 449 transitions, 2343 flow [2021-03-11 21:00:25,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 449 transitions, 2291 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:00:25,942 INFO L241 Difference]: Finished difference. Result has 150 places, 215 transitions, 1143 flow [2021-03-11 21:00:25,942 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1143, PETRI_PLACES=150, PETRI_TRANSITIONS=215} [2021-03-11 21:00:25,942 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 45 predicate places. [2021-03-11 21:00:25,942 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 215 transitions, 1143 flow [2021-03-11 21:00:25,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 470.0833333333333) internal successors, (5641), 12 states have internal predecessors, (5641), 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) [2021-03-11 21:00:25,944 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:25,944 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:25,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 21:00:25,944 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:25,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash 227112806, now seen corresponding path program 2 times [2021-03-11 21:00:25,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:25,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573434574] [2021-03-11 21:00:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:26,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:00:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:00:26,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:00:26,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:00:26,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:26,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:26,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:26,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573434574] [2021-03-11 21:00:26,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:26,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 21:00:26,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159318578] [2021-03-11 21:00:26,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 21:00:26,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:26,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 21:00:26,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 21:00:26,068 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 479 out of 919 [2021-03-11 21:00:26,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 215 transitions, 1143 flow. Second operand has 8 states, 8 states have (on average 480.5) internal successors, (3844), 8 states have internal predecessors, (3844), 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) [2021-03-11 21:00:26,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:26,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 479 of 919 [2021-03-11 21:00:26,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:27,903 INFO L129 PetriNetUnfolder]: 5429/10510 cut-off events. [2021-03-11 21:00:27,903 INFO L130 PetriNetUnfolder]: For 5182/5207 co-relation queries the response was YES. [2021-03-11 21:00:27,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25305 conditions, 10510 events. 5429/10510 cut-off events. For 5182/5207 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 67535 event pairs, 1296 based on Foata normal form. 61/9626 useless extension candidates. Maximal degree in co-relation 25284. Up to 8829 conditions per place. [2021-03-11 21:00:27,969 INFO L132 encePairwiseOnDemand]: 906/919 looper letters, 266 selfloop transitions, 79 changer transitions 0/365 dead transitions. [2021-03-11 21:00:27,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 365 transitions, 2264 flow [2021-03-11 21:00:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 21:00:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 21:00:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 6500 transitions. [2021-03-11 21:00:27,984 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.544069640914037 [2021-03-11 21:00:27,984 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 6500 transitions. [2021-03-11 21:00:27,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 6500 transitions. [2021-03-11 21:00:27,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:27,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 6500 transitions. [2021-03-11 21:00:28,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 500.0) internal successors, (6500), 13 states have internal predecessors, (6500), 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) [2021-03-11 21:00:28,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 919.0) internal successors, (12866), 14 states have internal predecessors, (12866), 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) [2021-03-11 21:00:28,020 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 919.0) internal successors, (12866), 14 states have internal predecessors, (12866), 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) [2021-03-11 21:00:28,020 INFO L185 Difference]: Start difference. First operand has 150 places, 215 transitions, 1143 flow. Second operand 13 states and 6500 transitions. [2021-03-11 21:00:28,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 365 transitions, 2264 flow [2021-03-11 21:00:28,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 365 transitions, 2262 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:00:28,054 INFO L241 Difference]: Finished difference. Result has 165 places, 226 transitions, 1437 flow [2021-03-11 21:00:28,055 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1437, PETRI_PLACES=165, PETRI_TRANSITIONS=226} [2021-03-11 21:00:28,055 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 60 predicate places. [2021-03-11 21:00:28,055 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 226 transitions, 1437 flow [2021-03-11 21:00:28,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 480.5) internal successors, (3844), 8 states have internal predecessors, (3844), 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) [2021-03-11 21:00:28,056 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:28,056 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:28,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 21:00:28,057 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:28,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:28,057 INFO L82 PathProgramCache]: Analyzing trace with hash 843651277, now seen corresponding path program 1 times [2021-03-11 21:00:28,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:28,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545783642] [2021-03-11 21:00:28,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:28,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:28,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:28,173 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-11 21:00:28,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 21:00:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:28,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:28,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-11 21:00:28,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:00:28,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 40.0 percent of original size [2021-03-11 21:00:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-11 21:00:28,228 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-11 21:00:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:28,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545783642] [2021-03-11 21:00:28,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:28,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 21:00:28,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362210026] [2021-03-11 21:00:28,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 21:00:28,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:28,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 21:00:28,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-11 21:00:28,237 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 919 [2021-03-11 21:00:28,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 226 transitions, 1437 flow. Second operand has 8 states, 8 states have (on average 425.5) internal successors, (3404), 8 states have internal predecessors, (3404), 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) [2021-03-11 21:00:28,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:28,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 919 [2021-03-11 21:00:28,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:29,859 INFO L129 PetriNetUnfolder]: 5328/10593 cut-off events. [2021-03-11 21:00:29,859 INFO L130 PetriNetUnfolder]: For 8127/8223 co-relation queries the response was YES. [2021-03-11 21:00:29,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26492 conditions, 10593 events. 5328/10593 cut-off events. For 8127/8223 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 69804 event pairs, 1574 based on Foata normal form. 106/9741 useless extension candidates. Maximal degree in co-relation 26466. Up to 8695 conditions per place. [2021-03-11 21:00:29,913 INFO L132 encePairwiseOnDemand]: 905/919 looper letters, 241 selfloop transitions, 82 changer transitions 29/379 dead transitions. [2021-03-11 21:00:29,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 379 transitions, 2829 flow [2021-03-11 21:00:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 21:00:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 21:00:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4048 transitions. [2021-03-11 21:00:29,923 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4894208680933382 [2021-03-11 21:00:29,923 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4048 transitions. [2021-03-11 21:00:29,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4048 transitions. [2021-03-11 21:00:29,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:29,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4048 transitions. [2021-03-11 21:00:29,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 449.77777777777777) internal successors, (4048), 9 states have internal predecessors, (4048), 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) [2021-03-11 21:00:29,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 919.0) internal successors, (9190), 10 states have internal predecessors, (9190), 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) [2021-03-11 21:00:29,940 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 919.0) internal successors, (9190), 10 states have internal predecessors, (9190), 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) [2021-03-11 21:00:29,940 INFO L185 Difference]: Start difference. First operand has 165 places, 226 transitions, 1437 flow. Second operand 9 states and 4048 transitions. [2021-03-11 21:00:29,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 379 transitions, 2829 flow [2021-03-11 21:00:29,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 379 transitions, 2581 flow, removed 23 selfloop flow, removed 10 redundant places. [2021-03-11 21:00:29,981 INFO L241 Difference]: Finished difference. Result has 168 places, 267 transitions, 1829 flow [2021-03-11 21:00:29,981 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=1273, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1829, PETRI_PLACES=168, PETRI_TRANSITIONS=267} [2021-03-11 21:00:29,981 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 63 predicate places. [2021-03-11 21:00:29,981 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 267 transitions, 1829 flow [2021-03-11 21:00:29,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 425.5) internal successors, (3404), 8 states have internal predecessors, (3404), 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) [2021-03-11 21:00:29,982 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:29,982 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:29,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 21:00:29,983 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:29,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:29,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1900304384, now seen corresponding path program 1 times [2021-03-11 21:00:29,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:29,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515510095] [2021-03-11 21:00:29,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:30,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 21:00:30,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 21:00:30,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 21:00:30,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 21:00:30,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 21:00:30,120 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-11 21:00:30,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:00:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:00:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:30,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515510095] [2021-03-11 21:00:30,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:30,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 21:00:30,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118487554] [2021-03-11 21:00:30,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 21:00:30,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:30,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 21:00:30,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 21:00:30,143 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 919 [2021-03-11 21:00:30,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 267 transitions, 1829 flow. Second operand has 8 states, 8 states have (on average 460.625) internal successors, (3685), 8 states have internal predecessors, (3685), 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) [2021-03-11 21:00:30,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:30,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 919 [2021-03-11 21:00:30,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:31,766 INFO L129 PetriNetUnfolder]: 5141/10024 cut-off events. [2021-03-11 21:00:31,767 INFO L130 PetriNetUnfolder]: For 6661/6724 co-relation queries the response was YES. [2021-03-11 21:00:31,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24903 conditions, 10024 events. 5141/10024 cut-off events. For 6661/6724 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 63293 event pairs, 1751 based on Foata normal form. 71/9180 useless extension candidates. Maximal degree in co-relation 24874. Up to 8692 conditions per place. [2021-03-11 21:00:31,816 INFO L132 encePairwiseOnDemand]: 904/919 looper letters, 239 selfloop transitions, 59 changer transitions 0/320 dead transitions. [2021-03-11 21:00:31,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 320 transitions, 2147 flow [2021-03-11 21:00:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 21:00:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 21:00:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5742 transitions. [2021-03-11 21:00:31,827 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5206746463547334 [2021-03-11 21:00:31,828 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5742 transitions. [2021-03-11 21:00:31,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5742 transitions. [2021-03-11 21:00:31,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:31,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5742 transitions. [2021-03-11 21:00:31,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 478.5) internal successors, (5742), 12 states have internal predecessors, (5742), 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) [2021-03-11 21:00:31,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 919.0) internal successors, (11947), 13 states have internal predecessors, (11947), 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) [2021-03-11 21:00:31,848 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 919.0) internal successors, (11947), 13 states have internal predecessors, (11947), 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) [2021-03-11 21:00:31,848 INFO L185 Difference]: Start difference. First operand has 168 places, 267 transitions, 1829 flow. Second operand 12 states and 5742 transitions. [2021-03-11 21:00:31,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 320 transitions, 2147 flow [2021-03-11 21:00:31,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 320 transitions, 2092 flow, removed 24 selfloop flow, removed 5 redundant places. [2021-03-11 21:00:31,878 INFO L241 Difference]: Finished difference. Result has 170 places, 227 transitions, 1422 flow [2021-03-11 21:00:31,878 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1422, PETRI_PLACES=170, PETRI_TRANSITIONS=227} [2021-03-11 21:00:31,879 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 65 predicate places. [2021-03-11 21:00:31,879 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 227 transitions, 1422 flow [2021-03-11 21:00:31,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 460.625) internal successors, (3685), 8 states have internal predecessors, (3685), 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) [2021-03-11 21:00:31,880 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:31,880 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:31,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 21:00:31,880 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:31,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash -983538706, now seen corresponding path program 2 times [2021-03-11 21:00:31,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:31,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743963749] [2021-03-11 21:00:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:31,980 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.2 percent of original size [2021-03-11 21:00:31,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 21:00:31,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.0 percent of original size [2021-03-11 21:00:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:00:32,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.0 percent of original size [2021-03-11 21:00:32,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:00:32,024 INFO L142 QuantifierPusher]: treesize reduction 16, result has 78.4 percent of original size [2021-03-11 21:00:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 21:00:32,044 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size [2021-03-11 21:00:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 21:00:32,066 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 21:00:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 21:00:32,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-11 21:00:32,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:00:32,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:00:32,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:00:32,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:32,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:00:32,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:32,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:32,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743963749] [2021-03-11 21:00:32,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:32,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 21:00:32,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147286269] [2021-03-11 21:00:32,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 21:00:32,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:32,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 21:00:32,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-03-11 21:00:32,235 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 919 [2021-03-11 21:00:32,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 227 transitions, 1422 flow. Second operand has 15 states, 15 states have (on average 472.93333333333334) internal successors, (7094), 15 states have internal predecessors, (7094), 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) [2021-03-11 21:00:32,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:32,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 919 [2021-03-11 21:00:32,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:34,071 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2021-03-11 21:00:38,411 INFO L129 PetriNetUnfolder]: 5631/10742 cut-off events. [2021-03-11 21:00:38,411 INFO L130 PetriNetUnfolder]: For 9455/9481 co-relation queries the response was YES. [2021-03-11 21:00:38,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27464 conditions, 10742 events. 5631/10742 cut-off events. For 9455/9481 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 67428 event pairs, 1837 based on Foata normal form. 64/9878 useless extension candidates. Maximal degree in co-relation 27438. Up to 9162 conditions per place. [2021-03-11 21:00:38,468 INFO L132 encePairwiseOnDemand]: 899/919 looper letters, 459 selfloop transitions, 135 changer transitions 0/609 dead transitions. [2021-03-11 21:00:38,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 609 transitions, 4027 flow [2021-03-11 21:00:38,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-03-11 21:00:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-03-11 21:00:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 20353 transitions. [2021-03-11 21:00:38,494 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.527307114358257 [2021-03-11 21:00:38,495 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 20353 transitions. [2021-03-11 21:00:38,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 20353 transitions. [2021-03-11 21:00:38,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:38,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 20353 transitions. [2021-03-11 21:00:38,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 484.5952380952381) internal successors, (20353), 42 states have internal predecessors, (20353), 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) [2021-03-11 21:00:38,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 919.0) internal successors, (39517), 43 states have internal predecessors, (39517), 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) [2021-03-11 21:00:38,565 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 919.0) internal successors, (39517), 43 states have internal predecessors, (39517), 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) [2021-03-11 21:00:38,565 INFO L185 Difference]: Start difference. First operand has 170 places, 227 transitions, 1422 flow. Second operand 42 states and 20353 transitions. [2021-03-11 21:00:38,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 609 transitions, 4027 flow [2021-03-11 21:00:38,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 609 transitions, 3827 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-11 21:00:38,600 INFO L241 Difference]: Finished difference. Result has 208 places, 300 transitions, 2207 flow [2021-03-11 21:00:38,600 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=2207, PETRI_PLACES=208, PETRI_TRANSITIONS=300} [2021-03-11 21:00:38,600 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 103 predicate places. [2021-03-11 21:00:38,600 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 300 transitions, 2207 flow [2021-03-11 21:00:38,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 472.93333333333334) internal successors, (7094), 15 states have internal predecessors, (7094), 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) [2021-03-11 21:00:38,602 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:38,602 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:38,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 21:00:38,602 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:38,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:38,602 INFO L82 PathProgramCache]: Analyzing trace with hash 794660114, now seen corresponding path program 3 times [2021-03-11 21:00:38,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:38,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197396385] [2021-03-11 21:00:38,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:38,695 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-03-11 21:00:38,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:00:38,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:00:38,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:00:38,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:00:38,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:00:38,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:00:38,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:00:38,753 INFO L142 QuantifierPusher]: treesize reduction 28, result has 62.7 percent of original size [2021-03-11 21:00:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 21:00:38,794 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.7 percent of original size [2021-03-11 21:00:38,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 21:00:38,850 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size [2021-03-11 21:00:38,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 21:00:38,878 INFO L142 QuantifierPusher]: treesize reduction 25, result has 77.3 percent of original size [2021-03-11 21:00:38,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-11 21:00:38,952 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-11 21:00:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:00:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:38,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:38,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:39,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197396385] [2021-03-11 21:00:39,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:39,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:00:39,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448896763] [2021-03-11 21:00:39,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:00:39,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:00:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:00:39,013 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 919 [2021-03-11 21:00:39,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 300 transitions, 2207 flow. Second operand has 13 states, 13 states have (on average 454.0769230769231) internal successors, (5903), 13 states have internal predecessors, (5903), 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) [2021-03-11 21:00:39,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:39,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 919 [2021-03-11 21:00:39,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:41,562 INFO L129 PetriNetUnfolder]: 6302/12251 cut-off events. [2021-03-11 21:00:41,562 INFO L130 PetriNetUnfolder]: For 17333/17397 co-relation queries the response was YES. [2021-03-11 21:00:41,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35108 conditions, 12251 events. 6302/12251 cut-off events. For 17333/17397 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 80660 event pairs, 1781 based on Foata normal form. 100/11650 useless extension candidates. Maximal degree in co-relation 35078. Up to 9554 conditions per place. [2021-03-11 21:00:41,620 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 401 selfloop transitions, 180 changer transitions 0/602 dead transitions. [2021-03-11 21:00:41,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 602 transitions, 5058 flow [2021-03-11 21:00:41,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 21:00:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 21:00:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8048 transitions. [2021-03-11 21:00:41,628 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.51513793765602 [2021-03-11 21:00:41,628 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 8048 transitions. [2021-03-11 21:00:41,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 8048 transitions. [2021-03-11 21:00:41,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:41,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 8048 transitions. [2021-03-11 21:00:41,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 473.4117647058824) internal successors, (8048), 17 states have internal predecessors, (8048), 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) [2021-03-11 21:00:41,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 919.0) internal successors, (16542), 18 states have internal predecessors, (16542), 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) [2021-03-11 21:00:41,650 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 919.0) internal successors, (16542), 18 states have internal predecessors, (16542), 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) [2021-03-11 21:00:41,650 INFO L185 Difference]: Start difference. First operand has 208 places, 300 transitions, 2207 flow. Second operand 17 states and 8048 transitions. [2021-03-11 21:00:41,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 602 transitions, 5058 flow [2021-03-11 21:00:41,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 602 transitions, 4778 flow, removed 34 selfloop flow, removed 14 redundant places. [2021-03-11 21:00:41,720 INFO L241 Difference]: Finished difference. Result has 216 places, 402 transitions, 3617 flow [2021-03-11 21:00:41,721 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=2030, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3617, PETRI_PLACES=216, PETRI_TRANSITIONS=402} [2021-03-11 21:00:41,721 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 111 predicate places. [2021-03-11 21:00:41,721 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 402 transitions, 3617 flow [2021-03-11 21:00:41,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 454.0769230769231) internal successors, (5903), 13 states have internal predecessors, (5903), 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) [2021-03-11 21:00:41,722 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:41,722 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:41,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 21:00:41,722 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:41,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash -354393848, now seen corresponding path program 1 times [2021-03-11 21:00:41,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:41,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549332119] [2021-03-11 21:00:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:41,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:41,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:41,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:41,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:41,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 21:00:41,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 21:00:41,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 21:00:41,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:41,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:41,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549332119] [2021-03-11 21:00:41,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:41,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:00:41,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087158025] [2021-03-11 21:00:41,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:00:41,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:41,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:00:41,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:00:41,890 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 919 [2021-03-11 21:00:41,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 402 transitions, 3617 flow. Second operand has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:00:41,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:41,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 919 [2021-03-11 21:00:41,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:45,032 INFO L129 PetriNetUnfolder]: 7047/13477 cut-off events. [2021-03-11 21:00:45,032 INFO L130 PetriNetUnfolder]: For 28972/28998 co-relation queries the response was YES. [2021-03-11 21:00:45,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42909 conditions, 13477 events. 7047/13477 cut-off events. For 28972/28998 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 89475 event pairs, 1971 based on Foata normal form. 66/12827 useless extension candidates. Maximal degree in co-relation 42872. Up to 10684 conditions per place. [2021-03-11 21:00:45,122 INFO L132 encePairwiseOnDemand]: 902/919 looper letters, 447 selfloop transitions, 207 changer transitions 0/669 dead transitions. [2021-03-11 21:00:45,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 669 transitions, 6262 flow [2021-03-11 21:00:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 21:00:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-11 21:00:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 11946 transitions. [2021-03-11 21:00:45,134 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5416213275299239 [2021-03-11 21:00:45,134 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 11946 transitions. [2021-03-11 21:00:45,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 11946 transitions. [2021-03-11 21:00:45,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:45,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 11946 transitions. [2021-03-11 21:00:45,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 497.75) internal successors, (11946), 24 states have internal predecessors, (11946), 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) [2021-03-11 21:00:45,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:00:45,167 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:00:45,167 INFO L185 Difference]: Start difference. First operand has 216 places, 402 transitions, 3617 flow. Second operand 24 states and 11946 transitions. [2021-03-11 21:00:45,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 669 transitions, 6262 flow [2021-03-11 21:00:45,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 669 transitions, 6176 flow, removed 23 selfloop flow, removed 6 redundant places. [2021-03-11 21:00:45,296 INFO L241 Difference]: Finished difference. Result has 240 places, 460 transitions, 4816 flow [2021-03-11 21:00:45,297 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=3547, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4816, PETRI_PLACES=240, PETRI_TRANSITIONS=460} [2021-03-11 21:00:45,297 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 135 predicate places. [2021-03-11 21:00:45,297 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 460 transitions, 4816 flow [2021-03-11 21:00:45,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:00:45,298 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:45,298 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:45,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 21:00:45,298 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:45,299 INFO L82 PathProgramCache]: Analyzing trace with hash 2075841056, now seen corresponding path program 2 times [2021-03-11 21:00:45,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:45,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717735586] [2021-03-11 21:00:45,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:45,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:45,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:45,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:45,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:45,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:45,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:45,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:45,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 21:00:45,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 21:00:45,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-11 21:00:45,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:00:45,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:45,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:45,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:45,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717735586] [2021-03-11 21:00:45,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:45,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:00:45,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472688053] [2021-03-11 21:00:45,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:00:45,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:45,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:00:45,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:00:45,480 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 919 [2021-03-11 21:00:45,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 460 transitions, 4816 flow. Second operand has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:00:45,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:45,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 919 [2021-03-11 21:00:45,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:49,879 INFO L129 PetriNetUnfolder]: 9561/18321 cut-off events. [2021-03-11 21:00:49,879 INFO L130 PetriNetUnfolder]: For 58650/58677 co-relation queries the response was YES. [2021-03-11 21:00:49,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65827 conditions, 18321 events. 9561/18321 cut-off events. For 58650/58677 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 132564 event pairs, 2534 based on Foata normal form. 97/17602 useless extension candidates. Maximal degree in co-relation 65783. Up to 10936 conditions per place. [2021-03-11 21:00:50,021 INFO L132 encePairwiseOnDemand]: 903/919 looper letters, 842 selfloop transitions, 449 changer transitions 0/1306 dead transitions. [2021-03-11 21:00:50,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 1306 transitions, 13681 flow [2021-03-11 21:00:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 21:00:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 21:00:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 18079 transitions. [2021-03-11 21:00:50,037 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5464575021158263 [2021-03-11 21:00:50,037 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 18079 transitions. [2021-03-11 21:00:50,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 18079 transitions. [2021-03-11 21:00:50,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:50,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 18079 transitions. [2021-03-11 21:00:50,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 502.19444444444446) internal successors, (18079), 36 states have internal predecessors, (18079), 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) [2021-03-11 21:00:50,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 919.0) internal successors, (34003), 37 states have internal predecessors, (34003), 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) [2021-03-11 21:00:50,087 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 919.0) internal successors, (34003), 37 states have internal predecessors, (34003), 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) [2021-03-11 21:00:50,087 INFO L185 Difference]: Start difference. First operand has 240 places, 460 transitions, 4816 flow. Second operand 36 states and 18079 transitions. [2021-03-11 21:00:50,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 1306 transitions, 13681 flow [2021-03-11 21:00:50,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 1306 transitions, 13235 flow, removed 151 selfloop flow, removed 11 redundant places. [2021-03-11 21:00:50,373 INFO L241 Difference]: Finished difference. Result has 283 places, 733 transitions, 9804 flow [2021-03-11 21:00:50,374 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=4648, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=9804, PETRI_PLACES=283, PETRI_TRANSITIONS=733} [2021-03-11 21:00:50,374 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 178 predicate places. [2021-03-11 21:00:50,374 INFO L480 AbstractCegarLoop]: Abstraction has has 283 places, 733 transitions, 9804 flow [2021-03-11 21:00:50,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:00:50,375 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:50,375 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:50,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 21:00:50,375 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:50,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1677500724, now seen corresponding path program 3 times [2021-03-11 21:00:50,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:50,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332569200] [2021-03-11 21:00:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:50,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:50,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:50,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:50,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 21:00:50,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:50,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-11 21:00:50,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:00:50,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:50,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:50,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332569200] [2021-03-11 21:00:50,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:50,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 21:00:50,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352506872] [2021-03-11 21:00:50,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 21:00:50,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:50,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 21:00:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-11 21:00:50,510 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 919 [2021-03-11 21:00:50,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 733 transitions, 9804 flow. Second operand has 11 states, 11 states have (on average 500.27272727272725) internal successors, (5503), 11 states have internal predecessors, (5503), 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) [2021-03-11 21:00:50,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:50,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 919 [2021-03-11 21:00:50,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:00:54,710 INFO L129 PetriNetUnfolder]: 9708/18540 cut-off events. [2021-03-11 21:00:54,710 INFO L130 PetriNetUnfolder]: For 91218/91245 co-relation queries the response was YES. [2021-03-11 21:00:54,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72387 conditions, 18540 events. 9708/18540 cut-off events. For 91218/91245 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 135582 event pairs, 1889 based on Foata normal form. 63/17781 useless extension candidates. Maximal degree in co-relation 72323. Up to 12930 conditions per place. [2021-03-11 21:00:54,994 INFO L132 encePairwiseOnDemand]: 904/919 looper letters, 641 selfloop transitions, 443 changer transitions 0/1099 dead transitions. [2021-03-11 21:00:54,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 1099 transitions, 15273 flow [2021-03-11 21:00:54,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-11 21:00:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-11 21:00:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 10352 transitions. [2021-03-11 21:00:55,005 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5632208922742111 [2021-03-11 21:00:55,005 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 10352 transitions. [2021-03-11 21:00:55,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 10352 transitions. [2021-03-11 21:00:55,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:00:55,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 10352 transitions. [2021-03-11 21:00:55,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 517.6) internal successors, (10352), 20 states have internal predecessors, (10352), 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) [2021-03-11 21:00:55,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 919.0) internal successors, (19299), 21 states have internal predecessors, (19299), 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) [2021-03-11 21:00:55,032 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 919.0) internal successors, (19299), 21 states have internal predecessors, (19299), 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) [2021-03-11 21:00:55,032 INFO L185 Difference]: Start difference. First operand has 283 places, 733 transitions, 9804 flow. Second operand 20 states and 10352 transitions. [2021-03-11 21:00:55,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 1099 transitions, 15273 flow [2021-03-11 21:00:55,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 1099 transitions, 14254 flow, removed 431 selfloop flow, removed 9 redundant places. [2021-03-11 21:00:55,474 INFO L241 Difference]: Finished difference. Result has 297 places, 809 transitions, 11626 flow [2021-03-11 21:00:55,475 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=9177, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=11626, PETRI_PLACES=297, PETRI_TRANSITIONS=809} [2021-03-11 21:00:55,475 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 192 predicate places. [2021-03-11 21:00:55,475 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 809 transitions, 11626 flow [2021-03-11 21:00:55,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 500.27272727272725) internal successors, (5503), 11 states have internal predecessors, (5503), 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) [2021-03-11 21:00:55,476 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:00:55,476 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:00:55,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 21:00:55,477 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:00:55,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:00:55,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1818123342, now seen corresponding path program 4 times [2021-03-11 21:00:55,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:00:55,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559244854] [2021-03-11 21:00:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:00:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:00:55,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:55,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:55,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:55,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 21:00:55,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 21:00:55,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:00:55,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 21:00:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 21:00:55,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 21:00:55,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 21:00:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:00:55,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:00:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:00:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:00:55,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559244854] [2021-03-11 21:00:55,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:00:55,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:00:55,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939564913] [2021-03-11 21:00:55,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:00:55,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:00:55,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:00:55,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:00:55,703 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 919 [2021-03-11 21:00:55,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 809 transitions, 11626 flow. Second operand has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:00:55,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:00:55,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 919 [2021-03-11 21:00:55,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:01,415 INFO L129 PetriNetUnfolder]: 10237/19564 cut-off events. [2021-03-11 21:01:01,415 INFO L130 PetriNetUnfolder]: For 120743/120772 co-relation queries the response was YES. [2021-03-11 21:01:01,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81602 conditions, 19564 events. 10237/19564 cut-off events. For 120743/120772 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 144763 event pairs, 2029 based on Foata normal form. 75/18799 useless extension candidates. Maximal degree in co-relation 81533. Up to 10985 conditions per place. [2021-03-11 21:01:01,563 INFO L132 encePairwiseOnDemand]: 903/919 looper letters, 622 selfloop transitions, 579 changer transitions 0/1216 dead transitions. [2021-03-11 21:01:01,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 1216 transitions, 17220 flow [2021-03-11 21:01:01,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-11 21:01:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-11 21:01:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 11512 transitions. [2021-03-11 21:01:01,573 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5446373657567299 [2021-03-11 21:01:01,573 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 11512 transitions. [2021-03-11 21:01:01,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 11512 transitions. [2021-03-11 21:01:01,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:01,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 11512 transitions. [2021-03-11 21:01:01,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 500.5217391304348) internal successors, (11512), 23 states have internal predecessors, (11512), 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) [2021-03-11 21:01:01,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 919.0) internal successors, (22056), 24 states have internal predecessors, (22056), 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) [2021-03-11 21:01:01,599 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 919.0) internal successors, (22056), 24 states have internal predecessors, (22056), 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) [2021-03-11 21:01:01,599 INFO L185 Difference]: Start difference. First operand has 297 places, 809 transitions, 11626 flow. Second operand 23 states and 11512 transitions. [2021-03-11 21:01:01,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 1216 transitions, 17220 flow [2021-03-11 21:01:02,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 1216 transitions, 16829 flow, removed 25 selfloop flow, removed 14 redundant places. [2021-03-11 21:01:02,198 INFO L241 Difference]: Finished difference. Result has 313 places, 936 transitions, 15191 flow [2021-03-11 21:01:02,199 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=11245, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=809, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=484, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=15191, PETRI_PLACES=313, PETRI_TRANSITIONS=936} [2021-03-11 21:01:02,199 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 208 predicate places. [2021-03-11 21:01:02,199 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 936 transitions, 15191 flow [2021-03-11 21:01:02,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 483.0769230769231) internal successors, (6280), 13 states have internal predecessors, (6280), 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) [2021-03-11 21:01:02,200 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:02,200 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:02,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 21:01:02,201 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:02,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1606087408, now seen corresponding path program 4 times [2021-03-11 21:01:02,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:02,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654667031] [2021-03-11 21:01:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:02,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 21:01:02,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:02,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:02,315 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-11 21:01:02,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:01:02,335 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:02,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:02,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-11 21:01:02,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:01:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 21:01:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:01:02,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:02,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:02,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654667031] [2021-03-11 21:01:02,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:02,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:02,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868129908] [2021-03-11 21:01:02,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:02,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:02,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:02,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:02,478 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 919 [2021-03-11 21:01:02,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 936 transitions, 15191 flow. Second operand has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:02,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:02,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 919 [2021-03-11 21:01:02,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:03,673 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-03-11 21:01:09,936 INFO L129 PetriNetUnfolder]: 10557/20232 cut-off events. [2021-03-11 21:01:09,936 INFO L130 PetriNetUnfolder]: For 153641/153670 co-relation queries the response was YES. [2021-03-11 21:01:10,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90065 conditions, 20232 events. 10557/20232 cut-off events. For 153641/153670 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 150155 event pairs, 3072 based on Foata normal form. 67/19447 useless extension candidates. Maximal degree in co-relation 89988. Up to 16917 conditions per place. [2021-03-11 21:01:10,282 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 998 selfloop transitions, 275 changer transitions 0/1288 dead transitions. [2021-03-11 21:01:10,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 1288 transitions, 19360 flow [2021-03-11 21:01:10,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 21:01:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 21:01:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 14841 transitions. [2021-03-11 21:01:10,296 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5383025027203482 [2021-03-11 21:01:10,297 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 14841 transitions. [2021-03-11 21:01:10,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 14841 transitions. [2021-03-11 21:01:10,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:10,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 14841 transitions. [2021-03-11 21:01:10,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 494.7) internal successors, (14841), 30 states have internal predecessors, (14841), 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) [2021-03-11 21:01:10,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:01:10,336 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:01:10,337 INFO L185 Difference]: Start difference. First operand has 313 places, 936 transitions, 15191 flow. Second operand 30 states and 14841 transitions. [2021-03-11 21:01:10,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 1288 transitions, 19360 flow [2021-03-11 21:01:11,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 1288 transitions, 18725 flow, removed 185 selfloop flow, removed 13 redundant places. [2021-03-11 21:01:11,154 INFO L241 Difference]: Finished difference. Result has 342 places, 993 transitions, 16038 flow [2021-03-11 21:01:11,155 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=14556, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=16038, PETRI_PLACES=342, PETRI_TRANSITIONS=993} [2021-03-11 21:01:11,155 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 237 predicate places. [2021-03-11 21:01:11,155 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 993 transitions, 16038 flow [2021-03-11 21:01:11,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:11,156 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:11,156 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:11,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 21:01:11,156 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:11,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:11,157 INFO L82 PathProgramCache]: Analyzing trace with hash -875561472, now seen corresponding path program 5 times [2021-03-11 21:01:11,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:11,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871520355] [2021-03-11 21:01:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:11,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 21:01:11,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:11,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:11,247 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-11 21:01:11,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:01:11,265 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:11,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:11,283 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:11,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:11,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-11 21:01:11,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:01:11,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 21:01:11,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:11,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:01:11,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:11,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:11,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:11,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871520355] [2021-03-11 21:01:11,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:11,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:11,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182461809] [2021-03-11 21:01:11,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:11,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:11,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:11,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:11,418 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 919 [2021-03-11 21:01:11,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 993 transitions, 16038 flow. Second operand has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:11,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:11,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 919 [2021-03-11 21:01:11,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:12,801 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-11 21:01:20,373 INFO L129 PetriNetUnfolder]: 10949/20989 cut-off events. [2021-03-11 21:01:20,373 INFO L130 PetriNetUnfolder]: For 168198/168227 co-relation queries the response was YES. [2021-03-11 21:01:20,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95762 conditions, 20989 events. 10949/20989 cut-off events. For 168198/168227 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 157422 event pairs, 3055 based on Foata normal form. 67/20190 useless extension candidates. Maximal degree in co-relation 95671. Up to 17548 conditions per place. [2021-03-11 21:01:20,687 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 1030 selfloop transitions, 311 changer transitions 0/1356 dead transitions. [2021-03-11 21:01:20,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 1356 transitions, 20531 flow [2021-03-11 21:01:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-11 21:01:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-11 21:01:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 17247 transitions. [2021-03-11 21:01:20,700 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5362039483911083 [2021-03-11 21:01:20,700 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 17247 transitions. [2021-03-11 21:01:20,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 17247 transitions. [2021-03-11 21:01:20,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:20,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 17247 transitions. [2021-03-11 21:01:20,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 492.77142857142854) internal successors, (17247), 35 states have internal predecessors, (17247), 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) [2021-03-11 21:01:20,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:01:20,742 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:01:20,743 INFO L185 Difference]: Start difference. First operand has 342 places, 993 transitions, 16038 flow. Second operand 35 states and 17247 transitions. [2021-03-11 21:01:20,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 1356 transitions, 20531 flow [2021-03-11 21:01:21,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1356 transitions, 20292 flow, removed 79 selfloop flow, removed 8 redundant places. [2021-03-11 21:01:21,588 INFO L241 Difference]: Finished difference. Result has 378 places, 1045 transitions, 17511 flow [2021-03-11 21:01:21,589 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=15804, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=17511, PETRI_PLACES=378, PETRI_TRANSITIONS=1045} [2021-03-11 21:01:21,589 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 273 predicate places. [2021-03-11 21:01:21,589 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 1045 transitions, 17511 flow [2021-03-11 21:01:21,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:21,590 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:21,590 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:21,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 21:01:21,591 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:21,591 INFO L82 PathProgramCache]: Analyzing trace with hash -949136144, now seen corresponding path program 6 times [2021-03-11 21:01:21,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:21,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461640722] [2021-03-11 21:01:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 21:01:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:21,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:21,673 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-11 21:01:21,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:01:21,690 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:21,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:21,706 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-11 21:01:21,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 21:01:21,722 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-11 21:01:21,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 21:01:21,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:01:21,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:21,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:01:21,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:21,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:21,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:21,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461640722] [2021-03-11 21:01:21,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:21,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:21,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379050081] [2021-03-11 21:01:21,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:21,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:21,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:21,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:21,807 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 919 [2021-03-11 21:01:21,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 1045 transitions, 17511 flow. Second operand has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:21,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:21,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 919 [2021-03-11 21:01:21,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:24,742 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-03-11 21:01:31,021 INFO L129 PetriNetUnfolder]: 11091/21270 cut-off events. [2021-03-11 21:01:31,021 INFO L130 PetriNetUnfolder]: For 189728/189758 co-relation queries the response was YES. [2021-03-11 21:01:31,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99737 conditions, 21270 events. 11091/21270 cut-off events. For 189728/189758 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 160036 event pairs, 3194 based on Foata normal form. 68/20466 useless extension candidates. Maximal degree in co-relation 99635. Up to 17815 conditions per place. [2021-03-11 21:01:31,293 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 1009 selfloop transitions, 319 changer transitions 0/1343 dead transitions. [2021-03-11 21:01:31,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1343 transitions, 21442 flow [2021-03-11 21:01:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 21:01:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 21:01:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 16236 transitions. [2021-03-11 21:01:31,303 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5353645266594124 [2021-03-11 21:01:31,303 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 16236 transitions. [2021-03-11 21:01:31,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 16236 transitions. [2021-03-11 21:01:31,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:31,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 16236 transitions. [2021-03-11 21:01:31,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 492.0) internal successors, (16236), 33 states have internal predecessors, (16236), 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) [2021-03-11 21:01:31,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 919.0) internal successors, (31246), 34 states have internal predecessors, (31246), 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) [2021-03-11 21:01:31,333 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 919.0) internal successors, (31246), 34 states have internal predecessors, (31246), 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) [2021-03-11 21:01:31,333 INFO L185 Difference]: Start difference. First operand has 378 places, 1045 transitions, 17511 flow. Second operand 33 states and 16236 transitions. [2021-03-11 21:01:31,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1343 transitions, 21442 flow [2021-03-11 21:01:32,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 1343 transitions, 21175 flow, removed 99 selfloop flow, removed 11 redundant places. [2021-03-11 21:01:32,295 INFO L241 Difference]: Finished difference. Result has 406 places, 1065 transitions, 18401 flow [2021-03-11 21:01:32,296 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=17244, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=18401, PETRI_PLACES=406, PETRI_TRANSITIONS=1065} [2021-03-11 21:01:32,296 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 301 predicate places. [2021-03-11 21:01:32,296 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 1065 transitions, 18401 flow [2021-03-11 21:01:32,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:32,297 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:32,297 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:32,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 21:01:32,297 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:32,297 INFO L82 PathProgramCache]: Analyzing trace with hash -554266832, now seen corresponding path program 7 times [2021-03-11 21:01:32,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:32,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737404147] [2021-03-11 21:01:32,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:32,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 21:01:32,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:32,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:32,380 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-11 21:01:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:01:32,396 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:32,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:32,413 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-11 21:01:32,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 21:01:32,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:01:32,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:32,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:01:32,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:32,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737404147] [2021-03-11 21:01:32,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:32,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:32,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156483893] [2021-03-11 21:01:32,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:32,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:32,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:32,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:32,495 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 919 [2021-03-11 21:01:32,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1065 transitions, 18401 flow. Second operand has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:32,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:32,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 919 [2021-03-11 21:01:32,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:40,963 INFO L129 PetriNetUnfolder]: 11359/21774 cut-off events. [2021-03-11 21:01:40,964 INFO L130 PetriNetUnfolder]: For 218237/218268 co-relation queries the response was YES. [2021-03-11 21:01:41,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104781 conditions, 21774 events. 11359/21774 cut-off events. For 218237/218268 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 165007 event pairs, 2857 based on Foata normal form. 69/20961 useless extension candidates. Maximal degree in co-relation 104671. Up to 16921 conditions per place. [2021-03-11 21:01:41,400 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 992 selfloop transitions, 371 changer transitions 0/1378 dead transitions. [2021-03-11 21:01:41,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 1378 transitions, 22761 flow [2021-03-11 21:01:41,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 21:01:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 21:01:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 16236 transitions. [2021-03-11 21:01:41,410 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5353645266594124 [2021-03-11 21:01:41,410 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 16236 transitions. [2021-03-11 21:01:41,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 16236 transitions. [2021-03-11 21:01:41,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:41,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 16236 transitions. [2021-03-11 21:01:41,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 492.0) internal successors, (16236), 33 states have internal predecessors, (16236), 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) [2021-03-11 21:01:41,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 919.0) internal successors, (31246), 34 states have internal predecessors, (31246), 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) [2021-03-11 21:01:41,435 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 919.0) internal successors, (31246), 34 states have internal predecessors, (31246), 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) [2021-03-11 21:01:41,435 INFO L185 Difference]: Start difference. First operand has 406 places, 1065 transitions, 18401 flow. Second operand 33 states and 16236 transitions. [2021-03-11 21:01:41,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 1378 transitions, 22761 flow [2021-03-11 21:01:42,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1378 transitions, 22228 flow, removed 114 selfloop flow, removed 18 redundant places. [2021-03-11 21:01:42,522 INFO L241 Difference]: Finished difference. Result has 426 places, 1086 transitions, 19240 flow [2021-03-11 21:01:42,523 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=17868, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1065, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=19240, PETRI_PLACES=426, PETRI_TRANSITIONS=1086} [2021-03-11 21:01:42,523 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 321 predicate places. [2021-03-11 21:01:42,523 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 1086 transitions, 19240 flow [2021-03-11 21:01:42,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:42,524 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:42,524 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:42,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 21:01:42,524 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1608775086, now seen corresponding path program 8 times [2021-03-11 21:01:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:42,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831009401] [2021-03-11 21:01:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:42,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-03-11 21:01:42,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:42,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:01:42,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:01:42,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:01:42,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:01:42,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-11 21:01:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:01:42,784 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-11 21:01:42,785 INFO L142 QuantifierPusher]: treesize reduction 28, result has 62.7 percent of original size [2021-03-11 21:01:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 21:01:42,815 INFO L142 QuantifierPusher]: treesize reduction 34, result has 66.7 percent of original size [2021-03-11 21:01:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 21:01:42,853 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.0 percent of original size [2021-03-11 21:01:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 21:01:42,870 INFO L142 QuantifierPusher]: treesize reduction 25, result has 77.3 percent of original size [2021-03-11 21:01:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-11 21:01:42,926 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-11 21:01:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:01:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:42,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:42,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:42,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831009401] [2021-03-11 21:01:42,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:42,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:42,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059615462] [2021-03-11 21:01:42,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:42,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:42,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:42,979 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 919 [2021-03-11 21:01:42,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 1086 transitions, 19240 flow. Second operand has 13 states, 13 states have (on average 454.0769230769231) internal successors, (5903), 13 states have internal predecessors, (5903), 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) [2021-03-11 21:01:42,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:42,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 919 [2021-03-11 21:01:42,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:01:50,703 INFO L129 PetriNetUnfolder]: 11474/22229 cut-off events. [2021-03-11 21:01:50,704 INFO L130 PetriNetUnfolder]: For 257472/257588 co-relation queries the response was YES. [2021-03-11 21:01:50,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110868 conditions, 22229 events. 11474/22229 cut-off events. For 257472/257588 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 170920 event pairs, 2890 based on Foata normal form. 147/21468 useless extension candidates. Maximal degree in co-relation 110751. Up to 17202 conditions per place. [2021-03-11 21:01:51,035 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 880 selfloop transitions, 435 changer transitions 0/1342 dead transitions. [2021-03-11 21:01:51,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1342 transitions, 24140 flow [2021-03-11 21:01:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 21:01:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 21:01:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 7116 transitions. [2021-03-11 21:01:51,039 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5162132752992383 [2021-03-11 21:01:51,039 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 7116 transitions. [2021-03-11 21:01:51,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 7116 transitions. [2021-03-11 21:01:51,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:01:51,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 7116 transitions. [2021-03-11 21:01:51,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 474.4) internal successors, (7116), 15 states have internal predecessors, (7116), 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) [2021-03-11 21:01:51,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 919.0) internal successors, (14704), 16 states have internal predecessors, (14704), 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) [2021-03-11 21:01:51,050 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 919.0) internal successors, (14704), 16 states have internal predecessors, (14704), 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) [2021-03-11 21:01:51,050 INFO L185 Difference]: Start difference. First operand has 426 places, 1086 transitions, 19240 flow. Second operand 15 states and 7116 transitions. [2021-03-11 21:01:51,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1342 transitions, 24140 flow [2021-03-11 21:01:52,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 1342 transitions, 23403 flow, removed 128 selfloop flow, removed 25 redundant places. [2021-03-11 21:01:52,211 INFO L241 Difference]: Finished difference. Result has 419 places, 1142 transitions, 20947 flow [2021-03-11 21:01:52,212 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=18541, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1086, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20947, PETRI_PLACES=419, PETRI_TRANSITIONS=1142} [2021-03-11 21:01:52,212 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 314 predicate places. [2021-03-11 21:01:52,212 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 1142 transitions, 20947 flow [2021-03-11 21:01:52,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 454.0769230769231) internal successors, (5903), 13 states have internal predecessors, (5903), 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) [2021-03-11 21:01:52,213 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:01:52,213 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:01:52,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 21:01:52,213 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:01:52,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:01:52,214 INFO L82 PathProgramCache]: Analyzing trace with hash -797347792, now seen corresponding path program 9 times [2021-03-11 21:01:52,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:01:52,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458442084] [2021-03-11 21:01:52,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:01:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:01:52,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 21:01:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:52,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:52,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 21:01:52,305 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-11 21:01:52,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:01:52,324 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size [2021-03-11 21:01:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:01:52,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-11 21:01:52,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:01:52,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 21:01:52,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:52,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:01:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:01:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:01:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:01:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:01:52,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458442084] [2021-03-11 21:01:52,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:01:52,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:01:52,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461262066] [2021-03-11 21:01:52,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:01:52,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:01:52,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:01:52,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:01:52,438 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 919 [2021-03-11 21:01:52,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1142 transitions, 20947 flow. Second operand has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:01:52,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:01:52,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 919 [2021-03-11 21:01:52,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:02:01,537 INFO L129 PetriNetUnfolder]: 11835/22720 cut-off events. [2021-03-11 21:02:01,538 INFO L130 PetriNetUnfolder]: For 283908/283939 co-relation queries the response was YES. [2021-03-11 21:02:01,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117218 conditions, 22720 events. 11835/22720 cut-off events. For 283908/283939 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 173627 event pairs, 3520 based on Foata normal form. 69/21891 useless extension candidates. Maximal degree in co-relation 117096. Up to 19077 conditions per place. [2021-03-11 21:02:01,827 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 1094 selfloop transitions, 295 changer transitions 0/1404 dead transitions. [2021-03-11 21:02:01,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1404 transitions, 24889 flow [2021-03-11 21:02:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 21:02:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 21:02:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 12869 transitions. [2021-03-11 21:02:01,833 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.538587092994057 [2021-03-11 21:02:01,833 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 12869 transitions. [2021-03-11 21:02:01,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 12869 transitions. [2021-03-11 21:02:01,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:02:01,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 12869 transitions. [2021-03-11 21:02:01,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 494.96153846153845) internal successors, (12869), 26 states have internal predecessors, (12869), 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) [2021-03-11 21:02:01,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 919.0) internal successors, (24813), 27 states have internal predecessors, (24813), 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) [2021-03-11 21:02:01,853 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 919.0) internal successors, (24813), 27 states have internal predecessors, (24813), 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) [2021-03-11 21:02:01,853 INFO L185 Difference]: Start difference. First operand has 419 places, 1142 transitions, 20947 flow. Second operand 26 states and 12869 transitions. [2021-03-11 21:02:01,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1404 transitions, 24889 flow [2021-03-11 21:02:03,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 1404 transitions, 24430 flow, removed 58 selfloop flow, removed 8 redundant places. [2021-03-11 21:02:03,724 INFO L241 Difference]: Finished difference. Result has 440 places, 1154 transitions, 21566 flow [2021-03-11 21:02:03,725 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=20540, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=21566, PETRI_PLACES=440, PETRI_TRANSITIONS=1154} [2021-03-11 21:02:03,725 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 335 predicate places. [2021-03-11 21:02:03,725 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 1154 transitions, 21566 flow [2021-03-11 21:02:03,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 479.0769230769231) internal successors, (6228), 13 states have internal predecessors, (6228), 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) [2021-03-11 21:02:03,726 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:02:03,727 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:02:03,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 21:02:03,727 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:02:03,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:02:03,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1643709475, now seen corresponding path program 1 times [2021-03-11 21:02:03,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:02:03,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459581671] [2021-03-11 21:02:03,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:02:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:02:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:02:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:02:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:02:03,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 21:02:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 21:02:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:02:03,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:02:03,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:02:03,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 21:02:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:02:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 21:02:03,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:02:03,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:02:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:02:03,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459581671] [2021-03-11 21:02:03,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:02:03,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:02:03,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736867788] [2021-03-11 21:02:03,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:02:03,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:02:03,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:02:03,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:02:03,904 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 919 [2021-03-11 21:02:03,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1154 transitions, 21566 flow. Second operand has 13 states, 13 states have (on average 468.15384615384613) internal successors, (6086), 13 states have internal predecessors, (6086), 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) [2021-03-11 21:02:03,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:02:03,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 919 [2021-03-11 21:02:03,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:02:12,505 INFO L129 PetriNetUnfolder]: 11907/22817 cut-off events. [2021-03-11 21:02:12,505 INFO L130 PetriNetUnfolder]: For 299030/299061 co-relation queries the response was YES. [2021-03-11 21:02:12,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119026 conditions, 22817 events. 11907/22817 cut-off events. For 299030/299061 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 175492 event pairs, 2704 based on Foata normal form. 69/21984 useless extension candidates. Maximal degree in co-relation 118901. Up to 17906 conditions per place. [2021-03-11 21:02:12,857 INFO L132 encePairwiseOnDemand]: 903/919 looper letters, 1032 selfloop transitions, 422 changer transitions 0/1469 dead transitions. [2021-03-11 21:02:12,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 1469 transitions, 25974 flow [2021-03-11 21:02:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 21:02:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 21:02:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 14482 transitions. [2021-03-11 21:02:12,864 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5252811026478056 [2021-03-11 21:02:12,865 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 14482 transitions. [2021-03-11 21:02:12,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 14482 transitions. [2021-03-11 21:02:12,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:02:12,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 14482 transitions. [2021-03-11 21:02:12,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 482.73333333333335) internal successors, (14482), 30 states have internal predecessors, (14482), 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) [2021-03-11 21:02:12,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:02:12,887 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:02:12,887 INFO L185 Difference]: Start difference. First operand has 440 places, 1154 transitions, 21566 flow. Second operand 30 states and 14482 transitions. [2021-03-11 21:02:12,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 1469 transitions, 25974 flow [2021-03-11 21:02:15,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 1469 transitions, 24604 flow, removed 186 selfloop flow, removed 39 redundant places. [2021-03-11 21:02:15,079 INFO L241 Difference]: Finished difference. Result has 434 places, 1168 transitions, 21467 flow [2021-03-11 21:02:15,080 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=20196, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=409, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=737, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=21467, PETRI_PLACES=434, PETRI_TRANSITIONS=1168} [2021-03-11 21:02:15,080 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 329 predicate places. [2021-03-11 21:02:15,080 INFO L480 AbstractCegarLoop]: Abstraction has has 434 places, 1168 transitions, 21467 flow [2021-03-11 21:02:15,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 468.15384615384613) internal successors, (6086), 13 states have internal predecessors, (6086), 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) [2021-03-11 21:02:15,081 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:02:15,081 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:02:15,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 21:02:15,082 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:02:15,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:02:15,082 INFO L82 PathProgramCache]: Analyzing trace with hash 409269422, now seen corresponding path program 1 times [2021-03-11 21:02:15,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:02:15,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966668609] [2021-03-11 21:02:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:02:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:02:15,198 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size [2021-03-11 21:02:15,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:02:15,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:02:15,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:02:15,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:02:15,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:02:15,257 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:02:15,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:02:15,280 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 21:02:15,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:02:15,313 INFO L142 QuantifierPusher]: treesize reduction 91, result has 55.2 percent of original size [2021-03-11 21:02:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-11 21:02:15,383 INFO L142 QuantifierPusher]: treesize reduction 47, result has 69.7 percent of original size [2021-03-11 21:02:15,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-11 21:02:15,464 INFO L142 QuantifierPusher]: treesize reduction 149, result has 22.4 percent of original size [2021-03-11 21:02:15,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:02:15,491 INFO L142 QuantifierPusher]: treesize reduction 84, result has 60.6 percent of original size [2021-03-11 21:02:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-11 21:02:15,574 INFO L142 QuantifierPusher]: treesize reduction 42, result has 73.9 percent of original size [2021-03-11 21:02:15,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-11 21:02:15,674 INFO L142 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-03-11 21:02:15,675 INFO L147 QuantifierPusher]: treesize reduction 6, result has 95.9 percent of original size 140 [2021-03-11 21:02:15,734 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.3 percent of original size [2021-03-11 21:02:15,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 21:02:15,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:15,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:02:15,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:15,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:02:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:02:15,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966668609] [2021-03-11 21:02:15,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:02:15,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:02:15,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012148166] [2021-03-11 21:02:15,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:02:15,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:02:15,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:02:15,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:02:15,804 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:02:15,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 1168 transitions, 21467 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:02:15,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:02:15,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:02:15,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:02:16,483 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-03-11 21:02:16,734 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 53 [2021-03-11 21:02:16,938 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2021-03-11 21:02:17,240 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-03-11 21:02:17,731 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-03-11 21:02:18,710 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-11 21:02:19,244 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2021-03-11 21:02:27,397 INFO L129 PetriNetUnfolder]: 13512/25817 cut-off events. [2021-03-11 21:02:27,398 INFO L130 PetriNetUnfolder]: For 381736/381767 co-relation queries the response was YES. [2021-03-11 21:02:27,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133372 conditions, 25817 events. 13512/25817 cut-off events. For 381736/381767 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 203790 event pairs, 2856 based on Foata normal form. 98/24858 useless extension candidates. Maximal degree in co-relation 133262. Up to 18718 conditions per place. [2021-03-11 21:02:27,780 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1142 selfloop transitions, 539 changer transitions 0/1696 dead transitions. [2021-03-11 21:02:27,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1696 transitions, 29089 flow [2021-03-11 21:02:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 21:02:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 21:02:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 14645 transitions. [2021-03-11 21:02:27,789 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4979937431991295 [2021-03-11 21:02:27,789 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 14645 transitions. [2021-03-11 21:02:27,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 14645 transitions. [2021-03-11 21:02:27,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:02:27,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 14645 transitions. [2021-03-11 21:02:27,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 457.65625) internal successors, (14645), 32 states have internal predecessors, (14645), 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) [2021-03-11 21:02:27,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 919.0) internal successors, (30327), 33 states have internal predecessors, (30327), 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) [2021-03-11 21:02:27,814 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 919.0) internal successors, (30327), 33 states have internal predecessors, (30327), 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) [2021-03-11 21:02:27,815 INFO L185 Difference]: Start difference. First operand has 434 places, 1168 transitions, 21467 flow. Second operand 32 states and 14645 transitions. [2021-03-11 21:02:27,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 1696 transitions, 29089 flow [2021-03-11 21:02:29,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1696 transitions, 28202 flow, removed 125 selfloop flow, removed 20 redundant places. [2021-03-11 21:02:29,728 INFO L241 Difference]: Finished difference. Result has 457 places, 1331 transitions, 25012 flow [2021-03-11 21:02:29,729 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=20703, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=758, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=25012, PETRI_PLACES=457, PETRI_TRANSITIONS=1331} [2021-03-11 21:02:29,730 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 352 predicate places. [2021-03-11 21:02:29,730 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1331 transitions, 25012 flow [2021-03-11 21:02:29,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:02:29,731 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:02:29,731 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:02:29,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 21:02:29,731 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:02:29,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:02:29,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1912281542, now seen corresponding path program 2 times [2021-03-11 21:02:29,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:02:29,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852164435] [2021-03-11 21:02:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:02:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:02:29,785 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-03-11 21:02:29,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 21:02:29,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size [2021-03-11 21:02:29,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:02:29,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size [2021-03-11 21:02:29,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:02:29,831 INFO L142 QuantifierPusher]: treesize reduction 29, result has 68.5 percent of original size [2021-03-11 21:02:29,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 21:02:29,869 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 21:02:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 21:02:29,870 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-11 21:02:29,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 21:02:29,907 INFO L142 QuantifierPusher]: treesize reduction 50, result has 61.2 percent of original size [2021-03-11 21:02:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 21:02:29,962 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.1 percent of original size [2021-03-11 21:02:29,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 21:02:29,990 INFO L142 QuantifierPusher]: treesize reduction 8, result has 91.0 percent of original size [2021-03-11 21:02:29,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 21:02:30,037 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-11 21:02:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:02:30,066 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.9 percent of original size [2021-03-11 21:02:30,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 21:02:30,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:30,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 21:02:30,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:30,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:02:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:02:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:02:30,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852164435] [2021-03-11 21:02:30,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:02:30,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 21:02:30,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2611203] [2021-03-11 21:02:30,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 21:02:30,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:02:30,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 21:02:30,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-11 21:02:30,152 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 919 [2021-03-11 21:02:30,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1331 transitions, 25012 flow. Second operand has 15 states, 15 states have (on average 445.06666666666666) internal successors, (6676), 15 states have internal predecessors, (6676), 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) [2021-03-11 21:02:30,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:02:30,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 919 [2021-03-11 21:02:30,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:02:31,099 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2021-03-11 21:02:32,825 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 64 [2021-03-11 21:02:42,602 INFO L129 PetriNetUnfolder]: 14448/27760 cut-off events. [2021-03-11 21:02:42,602 INFO L130 PetriNetUnfolder]: For 448241/448336 co-relation queries the response was YES. [2021-03-11 21:02:43,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150384 conditions, 27760 events. 14448/27760 cut-off events. For 448241/448336 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 224941 event pairs, 4080 based on Foata normal form. 161/26680 useless extension candidates. Maximal degree in co-relation 150261. Up to 22032 conditions per place. [2021-03-11 21:02:43,212 INFO L132 encePairwiseOnDemand]: 897/919 looper letters, 1441 selfloop transitions, 373 changer transitions 0/1842 dead transitions. [2021-03-11 21:02:43,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 1842 transitions, 32142 flow [2021-03-11 21:02:43,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 21:02:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 21:02:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 16626 transitions. [2021-03-11 21:02:43,221 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5025389916575989 [2021-03-11 21:02:43,221 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 16626 transitions. [2021-03-11 21:02:43,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 16626 transitions. [2021-03-11 21:02:43,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:02:43,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 16626 transitions. [2021-03-11 21:02:43,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 461.8333333333333) internal successors, (16626), 36 states have internal predecessors, (16626), 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) [2021-03-11 21:02:43,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 919.0) internal successors, (34003), 37 states have internal predecessors, (34003), 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) [2021-03-11 21:02:43,249 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 919.0) internal successors, (34003), 37 states have internal predecessors, (34003), 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) [2021-03-11 21:02:43,249 INFO L185 Difference]: Start difference. First operand has 457 places, 1331 transitions, 25012 flow. Second operand 36 states and 16626 transitions. [2021-03-11 21:02:43,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 1842 transitions, 32142 flow [2021-03-11 21:02:45,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 1842 transitions, 31499 flow, removed 120 selfloop flow, removed 11 redundant places. [2021-03-11 21:02:45,922 INFO L241 Difference]: Finished difference. Result has 495 places, 1443 transitions, 27459 flow [2021-03-11 21:02:45,923 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=24427, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1022, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=27459, PETRI_PLACES=495, PETRI_TRANSITIONS=1443} [2021-03-11 21:02:45,923 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 390 predicate places. [2021-03-11 21:02:45,923 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 1443 transitions, 27459 flow [2021-03-11 21:02:45,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 445.06666666666666) internal successors, (6676), 15 states have internal predecessors, (6676), 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) [2021-03-11 21:02:45,924 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:02:45,924 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:02:45,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 21:02:45,924 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:02:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:02:45,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2007828004, now seen corresponding path program 3 times [2021-03-11 21:02:45,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:02:45,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232905747] [2021-03-11 21:02:45,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:02:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:02:45,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:02:45,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:45,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 21:02:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 21:02:46,013 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-03-11 21:02:46,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:02:46,036 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.1 percent of original size [2021-03-11 21:02:46,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 21:02:46,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:46,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 21:02:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 21:02:46,079 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-03-11 21:02:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 21:02:46,101 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size [2021-03-11 21:02:46,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:02:46,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:46,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:02:46,148 INFO L142 QuantifierPusher]: treesize reduction 19, result has 45.7 percent of original size [2021-03-11 21:02:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 21:02:46,149 INFO L142 QuantifierPusher]: treesize reduction 19, result has 48.6 percent of original size [2021-03-11 21:02:46,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 21:02:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:46,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:02:46,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:02:46,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:02:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:02:46,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232905747] [2021-03-11 21:02:46,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:02:46,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 21:02:46,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158876960] [2021-03-11 21:02:46,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 21:02:46,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:02:46,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 21:02:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-03-11 21:02:46,202 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 919 [2021-03-11 21:02:46,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 1443 transitions, 27459 flow. Second operand has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:02:46,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:02:46,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 919 [2021-03-11 21:02:46,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:03:00,391 INFO L129 PetriNetUnfolder]: 16085/30463 cut-off events. [2021-03-11 21:03:00,391 INFO L130 PetriNetUnfolder]: For 547196/547228 co-relation queries the response was YES. [2021-03-11 21:03:00,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172610 conditions, 30463 events. 16085/30463 cut-off events. For 547196/547228 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 248448 event pairs, 4800 based on Foata normal form. 96/29191 useless extension candidates. Maximal degree in co-relation 172472. Up to 24401 conditions per place. [2021-03-11 21:03:01,030 INFO L132 encePairwiseOnDemand]: 899/919 looper letters, 1484 selfloop transitions, 373 changer transitions 0/1872 dead transitions. [2021-03-11 21:03:01,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 1872 transitions, 33959 flow [2021-03-11 21:03:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-11 21:03:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-11 21:03:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 15277 transitions. [2021-03-11 21:03:01,039 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.536242058338306 [2021-03-11 21:03:01,039 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 15277 transitions. [2021-03-11 21:03:01,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 15277 transitions. [2021-03-11 21:03:01,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:03:01,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 15277 transitions. [2021-03-11 21:03:01,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 492.80645161290323) internal successors, (15277), 31 states have internal predecessors, (15277), 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) [2021-03-11 21:03:01,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 919.0) internal successors, (29408), 32 states have internal predecessors, (29408), 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) [2021-03-11 21:03:01,067 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 919.0) internal successors, (29408), 32 states have internal predecessors, (29408), 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) [2021-03-11 21:03:01,068 INFO L185 Difference]: Start difference. First operand has 495 places, 1443 transitions, 27459 flow. Second operand 31 states and 15277 transitions. [2021-03-11 21:03:01,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 1872 transitions, 33959 flow [2021-03-11 21:03:04,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1872 transitions, 33267 flow, removed 280 selfloop flow, removed 10 redundant places. [2021-03-11 21:03:04,387 INFO L241 Difference]: Finished difference. Result has 522 places, 1494 transitions, 28901 flow [2021-03-11 21:03:04,388 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=26767, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=329, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1099, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=28901, PETRI_PLACES=522, PETRI_TRANSITIONS=1494} [2021-03-11 21:03:04,389 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 417 predicate places. [2021-03-11 21:03:04,389 INFO L480 AbstractCegarLoop]: Abstraction has has 522 places, 1494 transitions, 28901 flow [2021-03-11 21:03:04,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:03:04,390 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:03:04,390 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:03:04,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 21:03:04,390 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:03:04,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:03:04,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1023695622, now seen corresponding path program 4 times [2021-03-11 21:03:04,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:03:04,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438972044] [2021-03-11 21:03:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:03:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:03:04,455 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 21:03:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 21:03:04,467 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.4 percent of original size [2021-03-11 21:03:04,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 21:03:04,493 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.4 percent of original size [2021-03-11 21:03:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 21:03:04,521 INFO L142 QuantifierPusher]: treesize reduction 32, result has 66.7 percent of original size [2021-03-11 21:03:04,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:03:04,560 INFO L142 QuantifierPusher]: treesize reduction 32, result has 64.0 percent of original size [2021-03-11 21:03:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 21:03:04,591 INFO L142 QuantifierPusher]: treesize reduction 32, result has 64.0 percent of original size [2021-03-11 21:03:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 21:03:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 21:03:04,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:03:04,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:03:04,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 21:03:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 21:03:04,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:03:04,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:04,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:03:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:03:04,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438972044] [2021-03-11 21:03:04,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:03:04,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 21:03:04,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887271278] [2021-03-11 21:03:04,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 21:03:04,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:03:04,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 21:03:04,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-11 21:03:04,762 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 919 [2021-03-11 21:03:04,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 1494 transitions, 28901 flow. Second operand has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:03:04,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:03:04,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 919 [2021-03-11 21:03:04,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:03:06,207 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-03-11 21:03:08,276 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 69 [2021-03-11 21:03:08,415 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-11 21:03:20,283 INFO L129 PetriNetUnfolder]: 16985/32065 cut-off events. [2021-03-11 21:03:20,283 INFO L130 PetriNetUnfolder]: For 618476/618507 co-relation queries the response was YES. [2021-03-11 21:03:20,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186428 conditions, 32065 events. 16985/32065 cut-off events. For 618476/618507 co-relation queries the response was YES. Maximal size of possible extension queue 859. Compared 263601 event pairs, 4971 based on Foata normal form. 91/30692 useless extension candidates. Maximal degree in co-relation 186282. Up to 24216 conditions per place. [2021-03-11 21:03:21,047 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 1531 selfloop transitions, 450 changer transitions 0/1996 dead transitions. [2021-03-11 21:03:21,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 1996 transitions, 36267 flow [2021-03-11 21:03:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-11 21:03:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-03-11 21:03:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 16792 transitions. [2021-03-11 21:03:21,054 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5374127888369711 [2021-03-11 21:03:21,055 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 16792 transitions. [2021-03-11 21:03:21,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 16792 transitions. [2021-03-11 21:03:21,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:03:21,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 16792 transitions. [2021-03-11 21:03:21,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 493.88235294117646) internal successors, (16792), 34 states have internal predecessors, (16792), 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) [2021-03-11 21:03:21,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 919.0) internal successors, (32165), 35 states have internal predecessors, (32165), 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) [2021-03-11 21:03:21,079 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 919.0) internal successors, (32165), 35 states have internal predecessors, (32165), 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) [2021-03-11 21:03:21,080 INFO L185 Difference]: Start difference. First operand has 522 places, 1494 transitions, 28901 flow. Second operand 34 states and 16792 transitions. [2021-03-11 21:03:21,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 1996 transitions, 36267 flow [2021-03-11 21:03:24,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 1996 transitions, 35556 flow, removed 148 selfloop flow, removed 20 redundant places. [2021-03-11 21:03:24,733 INFO L241 Difference]: Finished difference. Result has 542 places, 1566 transitions, 31188 flow [2021-03-11 21:03:24,734 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=28194, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=387, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1095, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=31188, PETRI_PLACES=542, PETRI_TRANSITIONS=1566} [2021-03-11 21:03:24,734 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 437 predicate places. [2021-03-11 21:03:24,734 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 1566 transitions, 31188 flow [2021-03-11 21:03:24,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:03:24,735 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:03:24,736 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:03:24,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-11 21:03:24,736 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:03:24,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:03:24,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1402361210, now seen corresponding path program 5 times [2021-03-11 21:03:24,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:03:24,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527016958] [2021-03-11 21:03:24,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:03:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:03:24,798 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-11 21:03:24,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 21:03:24,809 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.4 percent of original size [2021-03-11 21:03:24,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 21:03:24,834 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.4 percent of original size [2021-03-11 21:03:24,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 21:03:24,861 INFO L142 QuantifierPusher]: treesize reduction 32, result has 66.7 percent of original size [2021-03-11 21:03:24,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:03:24,891 INFO L142 QuantifierPusher]: treesize reduction 32, result has 64.0 percent of original size [2021-03-11 21:03:24,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 21:03:24,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 21:03:24,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:24,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:03:24,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:24,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:03:24,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:24,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 21:03:24,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 21:03:25,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:25,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 21:03:25,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:25,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:03:25,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:25,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:03:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:03:25,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527016958] [2021-03-11 21:03:25,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:03:25,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 21:03:25,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853782249] [2021-03-11 21:03:25,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 21:03:25,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:03:25,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 21:03:25,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-03-11 21:03:25,049 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 919 [2021-03-11 21:03:25,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 1566 transitions, 31188 flow. Second operand has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:03:25,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:03:25,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 919 [2021-03-11 21:03:25,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:03:25,525 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2021-03-11 21:03:28,176 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-03-11 21:03:28,581 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-03-11 21:03:28,801 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2021-03-11 21:03:42,369 INFO L129 PetriNetUnfolder]: 18068/34051 cut-off events. [2021-03-11 21:03:42,369 INFO L130 PetriNetUnfolder]: For 724769/724806 co-relation queries the response was YES. [2021-03-11 21:03:43,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203018 conditions, 34051 events. 18068/34051 cut-off events. For 724769/724806 co-relation queries the response was YES. Maximal size of possible extension queue 918. Compared 282736 event pairs, 5215 based on Foata normal form. 93/32535 useless extension candidates. Maximal degree in co-relation 202864. Up to 22444 conditions per place. [2021-03-11 21:03:43,355 INFO L132 encePairwiseOnDemand]: 900/919 looper letters, 1585 selfloop transitions, 475 changer transitions 0/2075 dead transitions. [2021-03-11 21:03:43,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 2075 transitions, 39684 flow [2021-03-11 21:03:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-11 21:03:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-11 21:03:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 17225 transitions. [2021-03-11 21:03:43,363 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.535519975128245 [2021-03-11 21:03:43,363 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 17225 transitions. [2021-03-11 21:03:43,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 17225 transitions. [2021-03-11 21:03:43,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:03:43,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 17225 transitions. [2021-03-11 21:03:43,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 492.14285714285717) internal successors, (17225), 35 states have internal predecessors, (17225), 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) [2021-03-11 21:03:43,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:03:43,389 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:03:43,389 INFO L185 Difference]: Start difference. First operand has 542 places, 1566 transitions, 31188 flow. Second operand 35 states and 17225 transitions. [2021-03-11 21:03:43,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 2075 transitions, 39684 flow [2021-03-11 21:03:47,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 2075 transitions, 38852 flow, removed 233 selfloop flow, removed 20 redundant places. [2021-03-11 21:03:48,029 INFO L241 Difference]: Finished difference. Result has 564 places, 1616 transitions, 33066 flow [2021-03-11 21:03:48,030 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=30362, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=435, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=33066, PETRI_PLACES=564, PETRI_TRANSITIONS=1616} [2021-03-11 21:03:48,030 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 459 predicate places. [2021-03-11 21:03:48,031 INFO L480 AbstractCegarLoop]: Abstraction has has 564 places, 1616 transitions, 33066 flow [2021-03-11 21:03:48,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 476.06666666666666) internal successors, (7141), 15 states have internal predecessors, (7141), 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) [2021-03-11 21:03:48,031 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:03:48,032 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:03:48,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 21:03:48,032 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:03:48,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:03:48,032 INFO L82 PathProgramCache]: Analyzing trace with hash -477176052, now seen corresponding path program 6 times [2021-03-11 21:03:48,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:03:48,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519724056] [2021-03-11 21:03:48,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:03:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:03:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:03:48,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:03:48,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:03:48,122 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-03-11 21:03:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 21:03:48,156 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-11 21:03:48,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 21:03:48,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:03:48,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:03:48,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 21:03:48,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 21:03:48,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:03:48,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 21:03:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 21:03:48,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:03:48,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:03:48,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:03:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:03:48,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519724056] [2021-03-11 21:03:48,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:03:48,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:03:48,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132213210] [2021-03-11 21:03:48,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:03:48,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:03:48,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:03:48,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:03:48,388 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 492 out of 919 [2021-03-11 21:03:48,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 1616 transitions, 33066 flow. Second operand has 13 states, 13 states have (on average 493.2307692307692) internal successors, (6412), 13 states have internal predecessors, (6412), 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) [2021-03-11 21:03:48,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:03:48,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 492 of 919 [2021-03-11 21:03:48,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:03:49,497 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-03-11 21:03:49,664 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2021-03-11 21:03:49,809 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-03-11 21:03:51,856 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-11 21:04:06,635 INFO L129 PetriNetUnfolder]: 18842/35484 cut-off events. [2021-03-11 21:04:06,635 INFO L130 PetriNetUnfolder]: For 805545/805582 co-relation queries the response was YES. [2021-03-11 21:04:07,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216852 conditions, 35484 events. 18842/35484 cut-off events. For 805545/805582 co-relation queries the response was YES. Maximal size of possible extension queue 962. Compared 297527 event pairs, 6335 based on Foata normal form. 93/33896 useless extension candidates. Maximal degree in co-relation 216689. Up to 29756 conditions per place. [2021-03-11 21:04:07,620 INFO L132 encePairwiseOnDemand]: 901/919 looper letters, 1670 selfloop transitions, 372 changer transitions 0/2057 dead transitions. [2021-03-11 21:04:07,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 2057 transitions, 39915 flow [2021-03-11 21:04:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-11 21:04:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-11 21:04:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 16314 transitions. [2021-03-11 21:04:07,633 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5547470076169749 [2021-03-11 21:04:07,634 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 16314 transitions. [2021-03-11 21:04:07,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 16314 transitions. [2021-03-11 21:04:07,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:04:07,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 16314 transitions. [2021-03-11 21:04:07,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 509.8125) internal successors, (16314), 32 states have internal predecessors, (16314), 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) [2021-03-11 21:04:07,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 919.0) internal successors, (30327), 33 states have internal predecessors, (30327), 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) [2021-03-11 21:04:07,802 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 919.0) internal successors, (30327), 33 states have internal predecessors, (30327), 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) [2021-03-11 21:04:07,802 INFO L185 Difference]: Start difference. First operand has 564 places, 1616 transitions, 33066 flow. Second operand 32 states and 16314 transitions. [2021-03-11 21:04:07,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 2057 transitions, 39915 flow [2021-03-11 21:04:12,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 2057 transitions, 38587 flow, removed 381 selfloop flow, removed 29 redundant places. [2021-03-11 21:04:12,834 INFO L241 Difference]: Finished difference. Result has 569 places, 1645 transitions, 33564 flow [2021-03-11 21:04:12,835 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=31770, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=33564, PETRI_PLACES=569, PETRI_TRANSITIONS=1645} [2021-03-11 21:04:12,835 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 464 predicate places. [2021-03-11 21:04:12,836 INFO L480 AbstractCegarLoop]: Abstraction has has 569 places, 1645 transitions, 33564 flow [2021-03-11 21:04:12,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 493.2307692307692) internal successors, (6412), 13 states have internal predecessors, (6412), 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) [2021-03-11 21:04:12,837 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:04:12,837 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:04:12,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 21:04:12,837 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:04:12,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:04:12,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1673218394, now seen corresponding path program 7 times [2021-03-11 21:04:12,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:04:12,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015192939] [2021-03-11 21:04:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:04:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:04:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:04:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 21:04:12,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 21:04:13,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:13,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 21:04:13,046 INFO L142 QuantifierPusher]: treesize reduction 66, result has 55.1 percent of original size [2021-03-11 21:04:13,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 21:04:13,092 INFO L142 QuantifierPusher]: treesize reduction 39, result has 64.9 percent of original size [2021-03-11 21:04:13,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 21:04:13,131 INFO L142 QuantifierPusher]: treesize reduction 82, result has 53.4 percent of original size [2021-03-11 21:04:13,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-11 21:04:13,182 INFO L142 QuantifierPusher]: treesize reduction 117, result has 25.5 percent of original size [2021-03-11 21:04:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 21:04:13,203 INFO L142 QuantifierPusher]: treesize reduction 80, result has 64.8 percent of original size [2021-03-11 21:04:13,216 INFO L147 QuantifierPusher]: treesize reduction 19, result has 87.1 percent of original size 128 [2021-03-11 21:04:13,293 INFO L142 QuantifierPusher]: treesize reduction 19, result has 85.3 percent of original size [2021-03-11 21:04:13,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:04:13,373 INFO L142 QuantifierPusher]: treesize reduction 40, result has 73.3 percent of original size [2021-03-11 21:04:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:04:13,438 INFO L142 QuantifierPusher]: treesize reduction 54, result has 40.0 percent of original size [2021-03-11 21:04:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 21:04:13,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:13,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:04:13,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:13,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:04:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:04:13,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015192939] [2021-03-11 21:04:13,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:04:13,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:04:13,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819680124] [2021-03-11 21:04:13,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:04:13,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:04:13,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:04:13,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:04:13,501 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:04:13,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 1645 transitions, 33564 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:04:13,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:04:13,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:04:13,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:04:14,046 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-03-11 21:04:14,813 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2021-03-11 21:04:14,939 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-03-11 21:04:15,213 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 68 [2021-03-11 21:04:16,383 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-03-11 21:04:16,661 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-03-11 21:04:17,188 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-03-11 21:04:17,511 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-03-11 21:04:33,045 INFO L129 PetriNetUnfolder]: 19879/37409 cut-off events. [2021-03-11 21:04:33,046 INFO L130 PetriNetUnfolder]: For 870965/871000 co-relation queries the response was YES. [2021-03-11 21:04:34,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229552 conditions, 37409 events. 19879/37409 cut-off events. For 870965/871000 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 316356 event pairs, 6761 based on Foata normal form. 91/35733 useless extension candidates. Maximal degree in co-relation 229386. Up to 31825 conditions per place. [2021-03-11 21:04:34,482 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1748 selfloop transitions, 393 changer transitions 0/2156 dead transitions. [2021-03-11 21:04:34,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 2156 transitions, 41391 flow [2021-03-11 21:04:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-11 21:04:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-03-11 21:04:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 16036 transitions. [2021-03-11 21:04:34,489 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.498554329239857 [2021-03-11 21:04:34,489 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 16036 transitions. [2021-03-11 21:04:34,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 16036 transitions. [2021-03-11 21:04:34,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:04:34,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 16036 transitions. [2021-03-11 21:04:34,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 458.1714285714286) internal successors, (16036), 35 states have internal predecessors, (16036), 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) [2021-03-11 21:04:34,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:04:34,516 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 919.0) internal successors, (33084), 36 states have internal predecessors, (33084), 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) [2021-03-11 21:04:34,516 INFO L185 Difference]: Start difference. First operand has 569 places, 1645 transitions, 33564 flow. Second operand 35 states and 16036 transitions. [2021-03-11 21:04:34,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 2156 transitions, 41391 flow [2021-03-11 21:04:40,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 2156 transitions, 40679 flow, removed 100 selfloop flow, removed 27 redundant places. [2021-03-11 21:04:40,228 INFO L241 Difference]: Finished difference. Result has 585 places, 1724 transitions, 35675 flow [2021-03-11 21:04:40,230 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=32891, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=326, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=35675, PETRI_PLACES=585, PETRI_TRANSITIONS=1724} [2021-03-11 21:04:40,230 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 480 predicate places. [2021-03-11 21:04:40,230 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 1724 transitions, 35675 flow [2021-03-11 21:04:40,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:04:40,231 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:04:40,231 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:04:40,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-11 21:04:40,232 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:04:40,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:04:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash 34754488, now seen corresponding path program 8 times [2021-03-11 21:04:40,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:04:40,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290809865] [2021-03-11 21:04:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:04:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:04:40,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size [2021-03-11 21:04:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:04:40,314 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:04:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:04:40,335 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:04:40,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:04:40,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:04:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:04:40,393 INFO L142 QuantifierPusher]: treesize reduction 79, result has 52.7 percent of original size [2021-03-11 21:04:40,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-11 21:04:40,442 INFO L142 QuantifierPusher]: treesize reduction 37, result has 69.4 percent of original size [2021-03-11 21:04:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 21:04:40,478 INFO L142 QuantifierPusher]: treesize reduction 49, result has 67.8 percent of original size [2021-03-11 21:04:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 21:04:40,539 INFO L142 QuantifierPusher]: treesize reduction 91, result has 32.1 percent of original size [2021-03-11 21:04:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:04:40,561 INFO L142 QuantifierPusher]: treesize reduction 78, result has 60.2 percent of original size [2021-03-11 21:04:40,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-03-11 21:04:40,650 INFO L142 QuantifierPusher]: treesize reduction 42, result has 72.9 percent of original size [2021-03-11 21:04:40,651 INFO L147 QuantifierPusher]: treesize reduction 18, result has 84.1 percent of original size 95 [2021-03-11 21:04:40,716 INFO L142 QuantifierPusher]: treesize reduction 8, result has 94.5 percent of original size [2021-03-11 21:04:40,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-03-11 21:04:40,776 INFO L142 QuantifierPusher]: treesize reduction 29, result has 60.3 percent of original size [2021-03-11 21:04:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 21:04:40,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:04:40,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:04:40,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:04:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:04:40,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290809865] [2021-03-11 21:04:40,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:04:40,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:04:40,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125420785] [2021-03-11 21:04:40,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:04:40,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:04:40,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:04:40,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:04:40,867 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:04:40,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 1724 transitions, 35675 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:04:40,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:04:40,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:04:40,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:04:41,445 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-03-11 21:04:41,847 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-03-11 21:04:42,700 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-11 21:04:43,412 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-03-11 21:04:43,978 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-03-11 21:04:44,292 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-03-11 21:04:45,052 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-03-11 21:04:45,191 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-03-11 21:04:45,884 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-03-11 21:05:04,239 INFO L129 PetriNetUnfolder]: 21481/40364 cut-off events. [2021-03-11 21:05:04,240 INFO L130 PetriNetUnfolder]: For 1031591/1031627 co-relation queries the response was YES. [2021-03-11 21:05:05,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254732 conditions, 40364 events. 21481/40364 cut-off events. For 1031591/1031627 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 346404 event pairs, 7286 based on Foata normal form. 103/38556 useless extension candidates. Maximal degree in co-relation 254556. Up to 33382 conditions per place. [2021-03-11 21:05:05,930 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1718 selfloop transitions, 552 changer transitions 0/2285 dead transitions. [2021-03-11 21:05:05,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 2285 transitions, 45801 flow [2021-03-11 21:05:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-11 21:05:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-03-11 21:05:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 18276 transitions. [2021-03-11 21:05:06,103 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.49717083786724703 [2021-03-11 21:05:06,103 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 18276 transitions. [2021-03-11 21:05:06,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 18276 transitions. [2021-03-11 21:05:06,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:05:06,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 18276 transitions. [2021-03-11 21:05:06,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 456.9) internal successors, (18276), 40 states have internal predecessors, (18276), 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) [2021-03-11 21:05:06,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 919.0) internal successors, (37679), 41 states have internal predecessors, (37679), 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) [2021-03-11 21:05:06,132 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 919.0) internal successors, (37679), 41 states have internal predecessors, (37679), 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) [2021-03-11 21:05:06,133 INFO L185 Difference]: Start difference. First operand has 585 places, 1724 transitions, 35675 flow. Second operand 40 states and 18276 transitions. [2021-03-11 21:05:06,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 2285 transitions, 45801 flow [2021-03-11 21:05:12,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 2285 transitions, 44635 flow, removed 373 selfloop flow, removed 13 redundant places. [2021-03-11 21:05:12,828 INFO L241 Difference]: Finished difference. Result has 622 places, 1864 transitions, 40055 flow [2021-03-11 21:05:12,829 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=34834, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=424, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=40055, PETRI_PLACES=622, PETRI_TRANSITIONS=1864} [2021-03-11 21:05:12,829 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 517 predicate places. [2021-03-11 21:05:12,830 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 1864 transitions, 40055 flow [2021-03-11 21:05:12,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:05:12,831 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:05:12,831 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:05:12,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-11 21:05:12,831 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:05:12,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:05:12,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1217028224, now seen corresponding path program 9 times [2021-03-11 21:05:12,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:05:12,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883243406] [2021-03-11 21:05:12,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:05:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:05:12,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:12,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:05:12,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:12,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 21:05:12,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:12,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 21:05:12,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:12,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 21:05:13,034 INFO L142 QuantifierPusher]: treesize reduction 28, result has 69.6 percent of original size [2021-03-11 21:05:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:05:13,086 INFO L142 QuantifierPusher]: treesize reduction 122, result has 53.8 percent of original size [2021-03-11 21:05:13,087 INFO L147 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size 137 [2021-03-11 21:05:13,166 INFO L142 QuantifierPusher]: treesize reduction 104, result has 54.4 percent of original size [2021-03-11 21:05:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-03-11 21:05:13,226 INFO L142 QuantifierPusher]: treesize reduction 29, result has 79.7 percent of original size [2021-03-11 21:05:13,227 INFO L147 QuantifierPusher]: treesize reduction 74, result has 35.1 percent of original size 40 [2021-03-11 21:05:13,265 INFO L142 QuantifierPusher]: treesize reduction 77, result has 72.1 percent of original size [2021-03-11 21:05:13,270 INFO L147 QuantifierPusher]: treesize reduction 60, result has 69.8 percent of original size 139 [2021-03-11 21:05:13,347 INFO L142 QuantifierPusher]: treesize reduction 19, result has 85.3 percent of original size [2021-03-11 21:05:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:05:13,436 INFO L142 QuantifierPusher]: treesize reduction 40, result has 73.3 percent of original size [2021-03-11 21:05:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:05:13,520 INFO L142 QuantifierPusher]: treesize reduction 54, result has 40.0 percent of original size [2021-03-11 21:05:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 21:05:13,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:13,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:05:13,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:05:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:05:13,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883243406] [2021-03-11 21:05:13,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:05:13,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:05:13,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371639438] [2021-03-11 21:05:13,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:05:13,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:05:13,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:05:13,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:05:13,586 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:05:13,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 1864 transitions, 40055 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:05:13,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:05:13,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:05:13,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:05:14,848 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-03-11 21:05:16,018 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 78 [2021-03-11 21:05:16,569 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 81 [2021-03-11 21:05:38,951 INFO L129 PetriNetUnfolder]: 22353/41948 cut-off events. [2021-03-11 21:05:38,952 INFO L130 PetriNetUnfolder]: For 1136506/1136542 co-relation queries the response was YES. [2021-03-11 21:05:40,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271071 conditions, 41948 events. 22353/41948 cut-off events. For 1136506/1136542 co-relation queries the response was YES. Maximal size of possible extension queue 1199. Compared 362137 event pairs, 8188 based on Foata normal form. 103/40065 useless extension candidates. Maximal degree in co-relation 270884. Up to 35659 conditions per place. [2021-03-11 21:05:40,991 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1823 selfloop transitions, 434 changer transitions 0/2272 dead transitions. [2021-03-11 21:05:40,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 2272 transitions, 47811 flow [2021-03-11 21:05:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 21:05:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 21:05:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 13725 transitions. [2021-03-11 21:05:40,999 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.49782372143634385 [2021-03-11 21:05:40,999 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 13725 transitions. [2021-03-11 21:05:40,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 13725 transitions. [2021-03-11 21:05:41,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:05:41,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 13725 transitions. [2021-03-11 21:05:41,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 457.5) internal successors, (13725), 30 states have internal predecessors, (13725), 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) [2021-03-11 21:05:41,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:05:41,021 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 919.0) internal successors, (28489), 31 states have internal predecessors, (28489), 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) [2021-03-11 21:05:41,021 INFO L185 Difference]: Start difference. First operand has 622 places, 1864 transitions, 40055 flow. Second operand 30 states and 13725 transitions. [2021-03-11 21:05:41,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 2272 transitions, 47811 flow [2021-03-11 21:05:49,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 2272 transitions, 46459 flow, removed 361 selfloop flow, removed 23 redundant places. [2021-03-11 21:05:49,818 INFO L241 Difference]: Finished difference. Result has 635 places, 1921 transitions, 41364 flow [2021-03-11 21:05:49,819 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=38720, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=383, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=41364, PETRI_PLACES=635, PETRI_TRANSITIONS=1921} [2021-03-11 21:05:49,819 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 530 predicate places. [2021-03-11 21:05:49,819 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 1921 transitions, 41364 flow [2021-03-11 21:05:49,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:05:49,820 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:05:49,820 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:05:49,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-11 21:05:49,820 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:05:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:05:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1261385414, now seen corresponding path program 10 times [2021-03-11 21:05:49,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:05:49,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366981407] [2021-03-11 21:05:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:05:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:05:49,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 21:05:49,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:49,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:05:49,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:49,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:05:49,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:49,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 21:05:49,923 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-03-11 21:05:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 21:05:49,960 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-11 21:05:49,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 21:05:49,983 INFO L142 QuantifierPusher]: treesize reduction 21, result has 52.3 percent of original size [2021-03-11 21:05:49,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 21:05:50,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 21:05:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 21:05:50,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-11 21:05:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 21:05:50,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 21:05:50,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:05:50,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:05:50,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:05:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:05:50,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366981407] [2021-03-11 21:05:50,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:05:50,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 21:05:50,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406303696] [2021-03-11 21:05:50,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 21:05:50,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:05:50,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 21:05:50,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-11 21:05:50,165 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 492 out of 919 [2021-03-11 21:05:50,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 1921 transitions, 41364 flow. Second operand has 13 states, 13 states have (on average 493.2307692307692) internal successors, (6412), 13 states have internal predecessors, (6412), 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) [2021-03-11 21:05:50,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:05:50,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 492 of 919 [2021-03-11 21:05:50,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:05:51,675 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2021-03-11 21:06:14,655 INFO L129 PetriNetUnfolder]: 23120/43362 cut-off events. [2021-03-11 21:06:14,656 INFO L130 PetriNetUnfolder]: For 1184866/1184902 co-relation queries the response was YES. [2021-03-11 21:06:16,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281871 conditions, 43362 events. 23120/43362 cut-off events. For 1184866/1184902 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 378173 event pairs, 7708 based on Foata normal form. 92/41397 useless extension candidates. Maximal degree in co-relation 281677. Up to 30275 conditions per place. [2021-03-11 21:06:16,395 INFO L132 encePairwiseOnDemand]: 901/919 looper letters, 1716 selfloop transitions, 559 changer transitions 0/2290 dead transitions. [2021-03-11 21:06:16,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 2290 transitions, 48625 flow [2021-03-11 21:06:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-11 21:06:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-11 21:06:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 12334 transitions. [2021-03-11 21:06:16,401 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5592129125861444 [2021-03-11 21:06:16,401 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 12334 transitions. [2021-03-11 21:06:16,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 12334 transitions. [2021-03-11 21:06:16,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:06:16,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 12334 transitions. [2021-03-11 21:06:16,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 513.9166666666666) internal successors, (12334), 24 states have internal predecessors, (12334), 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) [2021-03-11 21:06:16,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:06:16,417 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 919.0) internal successors, (22975), 25 states have internal predecessors, (22975), 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) [2021-03-11 21:06:16,417 INFO L185 Difference]: Start difference. First operand has 635 places, 1921 transitions, 41364 flow. Second operand 24 states and 12334 transitions. [2021-03-11 21:06:16,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 2290 transitions, 48625 flow [2021-03-11 21:06:24,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 2290 transitions, 47977 flow, removed 261 selfloop flow, removed 12 redundant places. [2021-03-11 21:06:24,703 INFO L241 Difference]: Finished difference. Result has 649 places, 1949 transitions, 43323 flow [2021-03-11 21:06:24,704 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=40717, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=534, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=43323, PETRI_PLACES=649, PETRI_TRANSITIONS=1949} [2021-03-11 21:06:24,704 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 544 predicate places. [2021-03-11 21:06:24,705 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 1949 transitions, 43323 flow [2021-03-11 21:06:24,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 493.2307692307692) internal successors, (6412), 13 states have internal predecessors, (6412), 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) [2021-03-11 21:06:24,706 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:06:24,706 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:06:24,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-11 21:06:24,706 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:06:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:06:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1432931468, now seen corresponding path program 11 times [2021-03-11 21:06:24,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:06:24,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831478846] [2021-03-11 21:06:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:06:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:06:24,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size [2021-03-11 21:06:24,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:06:24,775 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:06:24,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:06:24,795 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:06:24,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:06:24,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 21:06:24,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:06:24,848 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 21:06:24,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:06:24,883 INFO L142 QuantifierPusher]: treesize reduction 91, result has 55.2 percent of original size [2021-03-11 21:06:24,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-11 21:06:24,949 INFO L142 QuantifierPusher]: treesize reduction 47, result has 69.7 percent of original size [2021-03-11 21:06:24,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-11 21:06:25,020 INFO L142 QuantifierPusher]: treesize reduction 149, result has 22.4 percent of original size [2021-03-11 21:06:25,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:06:25,044 INFO L142 QuantifierPusher]: treesize reduction 84, result has 60.6 percent of original size [2021-03-11 21:06:25,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-11 21:06:25,122 INFO L142 QuantifierPusher]: treesize reduction 42, result has 73.9 percent of original size [2021-03-11 21:06:25,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-11 21:06:25,238 INFO L142 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-03-11 21:06:25,239 INFO L147 QuantifierPusher]: treesize reduction 6, result has 95.9 percent of original size 140 [2021-03-11 21:06:25,299 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-03-11 21:06:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 21:06:25,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:06:25,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:06:25,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:06:25,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:06:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:06:25,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831478846] [2021-03-11 21:06:25,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:06:25,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:06:25,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111062142] [2021-03-11 21:06:25,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:06:25,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:06:25,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:06:25,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:06:25,382 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:06:25,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 1949 transitions, 43323 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:06:25,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:06:25,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:06:25,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:06:25,957 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-03-11 21:06:26,513 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2021-03-11 21:06:28,344 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-03-11 21:06:29,126 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-03-11 21:06:53,216 INFO L129 PetriNetUnfolder]: 24487/45891 cut-off events. [2021-03-11 21:06:53,216 INFO L130 PetriNetUnfolder]: For 1367440/1367475 co-relation queries the response was YES. [2021-03-11 21:06:55,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305332 conditions, 45891 events. 24487/45891 cut-off events. For 1367440/1367475 co-relation queries the response was YES. Maximal size of possible extension queue 1322. Compared 405109 event pairs, 7377 based on Foata normal form. 91/43803 useless extension candidates. Maximal degree in co-relation 305134. Up to 35732 conditions per place. [2021-03-11 21:06:55,784 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1473 selfloop transitions, 895 changer transitions 0/2383 dead transitions. [2021-03-11 21:06:55,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 2383 transitions, 53096 flow [2021-03-11 21:06:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-11 21:06:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-11 21:06:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 11442 transitions. [2021-03-11 21:06:55,790 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4980195865070729 [2021-03-11 21:06:55,790 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 11442 transitions. [2021-03-11 21:06:55,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 11442 transitions. [2021-03-11 21:06:55,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:06:55,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 11442 transitions. [2021-03-11 21:06:55,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 457.68) internal successors, (11442), 25 states have internal predecessors, (11442), 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) [2021-03-11 21:06:55,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 919.0) internal successors, (23894), 26 states have internal predecessors, (23894), 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) [2021-03-11 21:06:55,806 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 919.0) internal successors, (23894), 26 states have internal predecessors, (23894), 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) [2021-03-11 21:06:55,806 INFO L185 Difference]: Start difference. First operand has 649 places, 1949 transitions, 43323 flow. Second operand 25 states and 11442 transitions. [2021-03-11 21:06:55,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 2383 transitions, 53096 flow [2021-03-11 21:07:06,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 2383 transitions, 52062 flow, removed 242 selfloop flow, removed 18 redundant places. [2021-03-11 21:07:06,627 INFO L241 Difference]: Finished difference. Result has 667 places, 2064 transitions, 48162 flow [2021-03-11 21:07:06,628 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=42370, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=795, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=48162, PETRI_PLACES=667, PETRI_TRANSITIONS=2064} [2021-03-11 21:07:06,628 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 562 predicate places. [2021-03-11 21:07:06,629 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 2064 transitions, 48162 flow [2021-03-11 21:07:06,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:07:06,630 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:07:06,630 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:07:06,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-11 21:07:06,630 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:07:06,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:07:06,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1426848338, now seen corresponding path program 12 times [2021-03-11 21:07:06,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:07:06,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940982150] [2021-03-11 21:07:06,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:07:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:07:06,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:06,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:07:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 21:07:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 21:07:06,789 INFO L142 QuantifierPusher]: treesize reduction 28, result has 69.6 percent of original size [2021-03-11 21:07:06,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:07:06,842 INFO L142 QuantifierPusher]: treesize reduction 28, result has 69.6 percent of original size [2021-03-11 21:07:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-11 21:07:06,893 INFO L142 QuantifierPusher]: treesize reduction 122, result has 53.8 percent of original size [2021-03-11 21:07:06,894 INFO L147 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size 137 [2021-03-11 21:07:06,959 INFO L142 QuantifierPusher]: treesize reduction 104, result has 54.4 percent of original size [2021-03-11 21:07:06,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-03-11 21:07:07,020 INFO L142 QuantifierPusher]: treesize reduction 52, result has 63.1 percent of original size [2021-03-11 21:07:07,021 INFO L147 QuantifierPusher]: treesize reduction 49, result has 44.9 percent of original size 40 [2021-03-11 21:07:07,080 INFO L142 QuantifierPusher]: treesize reduction 101, result has 63.1 percent of original size [2021-03-11 21:07:07,081 INFO L147 QuantifierPusher]: treesize reduction 34, result has 80.3 percent of original size 139 [2021-03-11 21:07:07,166 INFO L142 QuantifierPusher]: treesize reduction 19, result has 85.3 percent of original size [2021-03-11 21:07:07,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:07:07,255 INFO L142 QuantifierPusher]: treesize reduction 40, result has 73.3 percent of original size [2021-03-11 21:07:07,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-03-11 21:07:07,320 INFO L142 QuantifierPusher]: treesize reduction 54, result has 40.0 percent of original size [2021-03-11 21:07:07,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 21:07:07,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:07,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:07:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:07:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:07:07,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940982150] [2021-03-11 21:07:07,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:07:07,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:07:07,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142054162] [2021-03-11 21:07:07,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:07:07,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:07:07,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:07:07,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:07:07,375 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:07:07,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 2064 transitions, 48162 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:07:07,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:07:07,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:07:07,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:07:08,660 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-03-11 21:07:09,864 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 21:07:10,556 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 77 [2021-03-11 21:07:36,891 INFO L129 PetriNetUnfolder]: 25486/47662 cut-off events. [2021-03-11 21:07:36,891 INFO L130 PetriNetUnfolder]: For 1515257/1515292 co-relation queries the response was YES. [2021-03-11 21:07:39,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327893 conditions, 47662 events. 25486/47662 cut-off events. For 1515257/1515292 co-relation queries the response was YES. Maximal size of possible extension queue 1392. Compared 420891 event pairs, 9660 based on Foata normal form. 102/45506 useless extension candidates. Maximal degree in co-relation 327682. Up to 40759 conditions per place. [2021-03-11 21:07:39,313 INFO L132 encePairwiseOnDemand]: 894/919 looper letters, 1906 selfloop transitions, 510 changer transitions 0/2431 dead transitions. [2021-03-11 21:07:39,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 2431 transitions, 56752 flow [2021-03-11 21:07:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 21:07:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 21:07:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 11894 transitions. [2021-03-11 21:07:39,320 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.49778186992550433 [2021-03-11 21:07:39,320 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 11894 transitions. [2021-03-11 21:07:39,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 11894 transitions. [2021-03-11 21:07:39,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:07:39,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 11894 transitions. [2021-03-11 21:07:39,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 457.46153846153845) internal successors, (11894), 26 states have internal predecessors, (11894), 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) [2021-03-11 21:07:39,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 919.0) internal successors, (24813), 27 states have internal predecessors, (24813), 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) [2021-03-11 21:07:39,339 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 919.0) internal successors, (24813), 27 states have internal predecessors, (24813), 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) [2021-03-11 21:07:39,339 INFO L185 Difference]: Start difference. First operand has 667 places, 2064 transitions, 48162 flow. Second operand 26 states and 11894 transitions. [2021-03-11 21:07:39,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 2431 transitions, 56752 flow [2021-03-11 21:07:52,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 2431 transitions, 55759 flow, removed 490 selfloop flow, removed 2 redundant places. [2021-03-11 21:07:52,406 INFO L241 Difference]: Finished difference. Result has 699 places, 2130 transitions, 50629 flow [2021-03-11 21:07:52,407 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=47423, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=454, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=50629, PETRI_PLACES=699, PETRI_TRANSITIONS=2130} [2021-03-11 21:07:52,408 INFO L335 CegarLoopForPetriNet]: 105 programPoint places, 594 predicate places. [2021-03-11 21:07:52,408 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 2130 transitions, 50629 flow [2021-03-11 21:07:52,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:07:52,409 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:07:52,409 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:07:52,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-11 21:07:52,409 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:07:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:07:52,409 INFO L82 PathProgramCache]: Analyzing trace with hash -231933306, now seen corresponding path program 13 times [2021-03-11 21:07:52,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:07:52,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748644028] [2021-03-11 21:07:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:07:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:07:52,463 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size [2021-03-11 21:07:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 21:07:52,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:07:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:07:52,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:07:52,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:07:52,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-03-11 21:07:52,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 21:07:52,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.9 percent of original size [2021-03-11 21:07:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 21:07:52,578 INFO L142 QuantifierPusher]: treesize reduction 91, result has 55.2 percent of original size [2021-03-11 21:07:52,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-11 21:07:52,666 INFO L142 QuantifierPusher]: treesize reduction 47, result has 69.7 percent of original size [2021-03-11 21:07:52,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-11 21:07:52,747 INFO L142 QuantifierPusher]: treesize reduction 149, result has 22.4 percent of original size [2021-03-11 21:07:52,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 21:07:52,776 INFO L142 QuantifierPusher]: treesize reduction 84, result has 60.6 percent of original size [2021-03-11 21:07:52,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-03-11 21:07:52,857 INFO L142 QuantifierPusher]: treesize reduction 42, result has 73.9 percent of original size [2021-03-11 21:07:52,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-11 21:07:52,957 INFO L142 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-03-11 21:07:52,958 INFO L147 QuantifierPusher]: treesize reduction 6, result has 95.9 percent of original size 140 [2021-03-11 21:07:53,019 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-03-11 21:07:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 21:07:53,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 21:07:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:07:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 21:07:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:07:53,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748644028] [2021-03-11 21:07:53,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:07:53,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 21:07:53,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419693835] [2021-03-11 21:07:53,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-11 21:07:53,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:07:53,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-11 21:07:53,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-03-11 21:07:53,090 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 919 [2021-03-11 21:07:53,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 2130 transitions, 50629 flow. Second operand has 16 states, 16 states have (on average 440.0) internal successors, (7040), 16 states have internal predecessors, (7040), 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) [2021-03-11 21:07:53,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:07:53,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 919 [2021-03-11 21:07:53,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:07:53,519 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-03-11 21:07:53,860 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-11 21:07:54,023 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2021-03-11 21:07:54,573 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2021-03-11 21:07:57,370 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90