/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:43:49,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:43:49,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:43:49,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 00:43:49,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 00:43:49,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 00:43:49,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 00:43:49,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 00:43:49,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 00:43:49,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 00:43:49,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 00:43:49,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 00:43:49,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:43:49,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:43:49,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:43:49,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:43:49,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:43:49,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:43:49,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:43:49,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:43:49,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:43:49,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:43:49,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:43:49,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:43:49,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 00:43:49,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 00:43:49,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 00:43:49,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 00:43:49,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 00:43:49,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 00:43:49,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 00:43:49,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 00:43:49,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 00:43:49,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 00:43:49,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 00:43:49,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 00:43:49,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 00:43:49,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 00:43:49,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:43:49,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:43:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:43:49,554 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:43:49,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:43:49,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:43:49,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:43:49,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:43:49,619 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:43:49,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:43:49,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:43:49,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:43:49,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:43:49,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:43:49,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:43:49,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:43:49,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:43:49,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:43:49,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:43:49,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:43:49,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:43:49,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:43:49,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:43:49,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:43:49,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:43:49,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:43:49,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:43:49,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:43:49,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:43:49,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:43:49,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:43:49,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:43:49,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:43:49,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:43:49,627 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:43:50,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:43:50,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:43:50,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:43:50,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:43:50,147 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:43:50,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_rmo.opt.i [2021-04-29 00:43:50,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f349d62/f4b31740cf904063af62dd07d2e50906/FLAG1ae3d065f [2021-04-29 00:43:51,042 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:43:51,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_rmo.opt.i [2021-04-29 00:43:51,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f349d62/f4b31740cf904063af62dd07d2e50906/FLAG1ae3d065f [2021-04-29 00:43:51,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f349d62/f4b31740cf904063af62dd07d2e50906 [2021-04-29 00:43:51,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:43:51,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:43:51,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:43:51,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:43:51,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:43:51,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:43:51" (1/1) ... [2021-04-29 00:43:51,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a956374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:51, skipping insertion in model container [2021-04-29 00:43:51,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:43:51" (1/1) ... [2021-04-29 00:43:51,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:43:51,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:43:51,559 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-wmm/safe032_rmo.opt.i[992,1005] [2021-04-29 00:43:51,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:43:51,904 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:43:51,927 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-wmm/safe032_rmo.opt.i[992,1005] [2021-04-29 00:43:52,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:43:52,223 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:43:52,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52 WrapperNode [2021-04-29 00:43:52,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:43:52,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:43:52,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:43:52,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:43:52,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:43:52,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:43:52,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:43:52,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:43:52,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (1/1) ... [2021-04-29 00:43:52,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:43:52,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:43:52,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:43:52,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:43:52,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (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 [2021-04-29 00:43:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:43:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:43:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:43:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:43:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:43:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:43:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:43:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:43:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:43:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:43:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:43:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:43:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:43:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:43:52,546 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:43:56,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:43:56,233 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:43:56,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:43:56 BoogieIcfgContainer [2021-04-29 00:43:56,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:43:56,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:43:56,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:43:56,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:43:56,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:43:51" (1/3) ... [2021-04-29 00:43:56,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ddb372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:43:56, skipping insertion in model container [2021-04-29 00:43:56,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:43:52" (2/3) ... [2021-04-29 00:43:56,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ddb372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:43:56, skipping insertion in model container [2021-04-29 00:43:56,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:43:56" (3/3) ... [2021-04-29 00:43:56,246 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_rmo.opt.i [2021-04-29 00:43:56,254 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:43:56,261 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:43:56,262 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:43:56,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,342 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,349 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,367 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,367 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,378 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:43:56,399 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:43:56,425 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:43:56,453 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:43:56,454 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:43:56,454 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:43:56,454 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:43:56,454 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:43:56,454 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:43:56,454 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:43:56,455 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:43:56,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-29 00:43:56,523 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-29 00:43:56,524 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:56,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-29 00:43:56,530 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-29 00:43:56,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-29 00:43:56,539 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:56,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-29 00:43:56,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-29 00:43:56,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-29 00:43:56,594 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-29 00:43:56,594 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:56,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-29 00:43:56,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 1668 [2021-04-29 00:43:59,899 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:44:00,019 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:44:00,614 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:44:00,831 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:44:02,078 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:44:02,668 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:44:05,015 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-29 00:44:06,084 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-29 00:44:07,329 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:44:07,883 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:44:10,436 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:44:11,560 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:44:14,245 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:44:14,852 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:44:16,051 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:44:17,360 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:44:17,983 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:44:18,585 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:44:19,838 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:21,119 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:22,495 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-04-29 00:44:23,192 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:44:24,593 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:44:25,974 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:44:27,463 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-29 00:44:28,135 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:44:29,603 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:31,076 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:31,899 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:44:32,604 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:44:34,164 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:44:35,633 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:44:40,116 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-29 00:44:40,790 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:44:42,451 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:43,956 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:44:44,690 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:44:45,415 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:44:48,315 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-29 00:44:49,764 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:45:00,241 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:45:00,371 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:45:00,502 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:45:00,631 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:45:00,810 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:45:00,989 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:45:01,164 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:45:01,331 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:45:01,832 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:45:01,968 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:45:02,114 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:45:02,259 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:45:02,361 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:45:02,466 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:45:02,568 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:45:02,671 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:45:02,834 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:02,983 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:03,132 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:03,281 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:03,388 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:45:03,500 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:45:03,614 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:45:03,722 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:45:03,891 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:45:04,062 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:45:04,211 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:45:04,364 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:45:05,228 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:05,357 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:05,490 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:05,622 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:05,760 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:05,891 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:06,024 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:06,156 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:06,299 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:45:06,449 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:45:06,606 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:45:06,752 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:45:06,883 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:45:07,006 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:45:07,127 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:45:07,245 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:45:07,363 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:07,481 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:07,597 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:07,713 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:07,887 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:45:08,029 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:45:08,173 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:45:08,335 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:45:08,438 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:45:08,735 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:45:09,126 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:45:10,999 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:45:11,150 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:45:11,308 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:45:11,461 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:45:11,980 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:12,176 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:12,366 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:12,558 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:12,670 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:12,781 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:12,899 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:13,018 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:13,154 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:13,280 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:13,416 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:13,548 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:45:13,708 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:13,878 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:14,034 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:14,187 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:45:14,387 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:45:14,591 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:45:14,800 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:45:15,003 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:45:15,189 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:45:15,378 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:45:15,566 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:45:15,749 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:45:15,934 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:45:16,118 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:45:16,315 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:45:16,506 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:45:16,636 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:16,749 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:16,867 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:16,982 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:45:17,208 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:17,427 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:17,670 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:17,884 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:18,099 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:18,324 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:18,541 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:18,762 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:19,337 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:45:19,605 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:45:20,170 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:45:20,450 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:45:20,673 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:20,898 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:21,120 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:21,361 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:21,592 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:21,827 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:22,051 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:22,278 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:22,482 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:45:22,689 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:45:22,905 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:45:23,119 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:45:23,315 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:23,511 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:23,705 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:23,901 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:45:24,112 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:45:24,322 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:45:24,540 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:45:24,773 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:45:25,045 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:25,296 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:25,551 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:25,808 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:45:26,527 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:45:26,873 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:45:27,645 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:45:27,953 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:45:27,999 INFO L158 LiptonReduction]: Checked pairs total: 15353 [2021-04-29 00:45:27,999 INFO L160 LiptonReduction]: Total number of compositions: 228 [2021-04-29 00:45:28,005 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91468 [2021-04-29 00:45:28,035 INFO L129 PetriNetUnfolder]: 1/80 cut-off events. [2021-04-29 00:45:28,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:45:28,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:28,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:28,037 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:28,044 INFO L82 PathProgramCache]: Analyzing trace with hash 911075325, now seen corresponding path program 1 times [2021-04-29 00:45:28,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:28,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269225771] [2021-04-29 00:45:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:28,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269225771] [2021-04-29 00:45:28,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:28,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:45:28,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039537960] [2021-04-29 00:45:28,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:45:28,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:28,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:45:28,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:45:28,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 325 [2021-04-29 00:45:28,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:28,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:28,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 325 [2021-04-29 00:45:28,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:29,387 INFO L129 PetriNetUnfolder]: 575/1231 cut-off events. [2021-04-29 00:45:29,387 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:45:29,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2141 conditions, 1231 events. 575/1231 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8496 event pairs, 219 based on Foata normal form. 23/723 useless extension candidates. Maximal degree in co-relation 2068. Up to 661 conditions per place. [2021-04-29 00:45:29,399 INFO L132 encePairwiseOnDemand]: 306/325 looper letters, 13 selfloop transitions, 2 changer transitions 82/129 dead transitions. [2021-04-29 00:45:29,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 129 transitions, 361 flow [2021-04-29 00:45:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:45:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:45:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-04-29 00:45:29,423 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7907692307692308 [2021-04-29 00:45:29,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-04-29 00:45:29,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-04-29 00:45:29,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:29,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-04-29 00:45:29,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,453 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 771 transitions. [2021-04-29 00:45:29,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 129 transitions, 361 flow [2021-04-29 00:45:29,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 129 transitions, 358 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:45:29,462 INFO L241 Difference]: Finished difference. Result has 122 places, 41 transitions, 92 flow [2021-04-29 00:45:29,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=122, PETRI_TRANSITIONS=41} [2021-04-29 00:45:29,466 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-29 00:45:29,466 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:29,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-29 00:45:29,467 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-29 00:45:29,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-29 00:45:29,476 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 00:45:29,476 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:45:29,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 127 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:45:29,477 INFO L146 LiptonReduction]: Number of co-enabled transitions 932 [2021-04-29 00:45:29,689 INFO L158 LiptonReduction]: Checked pairs total: 904 [2021-04-29 00:45:29,690 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:29,690 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-04-29 00:45:29,692 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-29 00:45:29,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:29,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:29,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:45:29,694 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:29,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:29,695 INFO L82 PathProgramCache]: Analyzing trace with hash -629871503, now seen corresponding path program 1 times [2021-04-29 00:45:29,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:29,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215169392] [2021-04-29 00:45:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:29,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:29,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:29,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215169392] [2021-04-29 00:45:29,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:29,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:45:29,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949553016] [2021-04-29 00:45:29,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:45:29,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:29,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:45:29,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:45:29,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 325 [2021-04-29 00:45:29,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:29,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 325 [2021-04-29 00:45:29,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:29,883 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 00:45:29,884 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:45:29,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 136 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:45:29,886 INFO L132 encePairwiseOnDemand]: 322/325 looper letters, 1 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2021-04-29 00:45:29,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 98 flow [2021-04-29 00:45:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:45:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:45:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2021-04-29 00:45:29,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6964102564102564 [2021-04-29 00:45:29,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2021-04-29 00:45:29,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2021-04-29 00:45:29,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:29,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2021-04-29 00:45:29,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:29,901 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 679 transitions. [2021-04-29 00:45:29,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 98 flow [2021-04-29 00:45:29,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:45:29,905 INFO L241 Difference]: Finished difference. Result has 51 places, 29 transitions, 72 flow [2021-04-29 00:45:29,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=51, PETRI_TRANSITIONS=29} [2021-04-29 00:45:29,906 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -75 predicate places. [2021-04-29 00:45:29,906 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:29,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-29 00:45:29,907 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-29 00:45:29,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 72 flow [2021-04-29 00:45:29,917 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-29 00:45:29,917 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:45:29,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:45:29,920 INFO L146 LiptonReduction]: Number of co-enabled transitions 456 [2021-04-29 00:45:30,391 INFO L158 LiptonReduction]: Checked pairs total: 564 [2021-04-29 00:45:30,391 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:30,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-04-29 00:45:30,393 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 72 flow [2021-04-29 00:45:30,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:30,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:30,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:45:30,395 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:30,395 INFO L82 PathProgramCache]: Analyzing trace with hash -671828733, now seen corresponding path program 1 times [2021-04-29 00:45:30,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:30,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462113203] [2021-04-29 00:45:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:30,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:30,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462113203] [2021-04-29 00:45:30,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:30,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:45:30,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559454621] [2021-04-29 00:45:30,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:45:30,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:30,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:45:30,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:45:30,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 325 [2021-04-29 00:45:30,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:30,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 325 [2021-04-29 00:45:30,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:30,679 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-29 00:45:30,679 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 00:45:30,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 43 events. 3/43 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 114 event pairs, 1 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 59. Up to 10 conditions per place. [2021-04-29 00:45:30,680 INFO L132 encePairwiseOnDemand]: 321/325 looper letters, 3 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-04-29 00:45:30,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 88 flow [2021-04-29 00:45:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:45:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:45:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-04-29 00:45:30,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8102564102564103 [2021-04-29 00:45:30,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-04-29 00:45:30,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-04-29 00:45:30,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:30,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-04-29 00:45:30,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,698 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 72 flow. Second operand 3 states and 790 transitions. [2021-04-29 00:45:30,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 88 flow [2021-04-29 00:45:30,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:45:30,701 INFO L241 Difference]: Finished difference. Result has 40 places, 31 transitions, 87 flow [2021-04-29 00:45:30,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2021-04-29 00:45:30,701 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -86 predicate places. [2021-04-29 00:45:30,702 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:30,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 87 flow [2021-04-29 00:45:30,706 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 87 flow [2021-04-29 00:45:30,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 87 flow [2021-04-29 00:45:30,717 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-29 00:45:30,717 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 00:45:30,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 43 events. 3/43 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 110 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 60. Up to 10 conditions per place. [2021-04-29 00:45:30,718 INFO L146 LiptonReduction]: Number of co-enabled transitions 486 [2021-04-29 00:45:30,813 INFO L158 LiptonReduction]: Checked pairs total: 516 [2021-04-29 00:45:30,814 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:30,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-29 00:45:30,818 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 87 flow [2021-04-29 00:45:30,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:30,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:30,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:30,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:45:30,820 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:30,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:30,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2105878562, now seen corresponding path program 1 times [2021-04-29 00:45:30,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:30,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169838313] [2021-04-29 00:45:30,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:31,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:31,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:31,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:45:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:31,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169838313] [2021-04-29 00:45:31,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:31,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:45:31,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100310096] [2021-04-29 00:45:31,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:45:31,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:31,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:45:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:45:31,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 325 [2021-04-29 00:45:31,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 87 flow. Second operand has 4 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:31,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:31,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 325 [2021-04-29 00:45:31,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:31,454 INFO L129 PetriNetUnfolder]: 154/379 cut-off events. [2021-04-29 00:45:31,455 INFO L130 PetriNetUnfolder]: For 61/62 co-relation queries the response was YES. [2021-04-29 00:45:31,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 379 events. 154/379 cut-off events. For 61/62 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2157 event pairs, 22 based on Foata normal form. 7/315 useless extension candidates. Maximal degree in co-relation 720. Up to 179 conditions per place. [2021-04-29 00:45:31,460 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 16 selfloop transitions, 11 changer transitions 0/48 dead transitions. [2021-04-29 00:45:31,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 180 flow [2021-04-29 00:45:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 869 transitions. [2021-04-29 00:45:31,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5347692307692308 [2021-04-29 00:45:31,467 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 869 transitions. [2021-04-29 00:45:31,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 869 transitions. [2021-04-29 00:45:31,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:31,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 869 transitions. [2021-04-29 00:45:31,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:31,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:31,478 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:31,479 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 87 flow. Second operand 5 states and 869 transitions. [2021-04-29 00:45:31,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 180 flow [2021-04-29 00:45:31,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 177 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:31,481 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 161 flow [2021-04-29 00:45:31,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=161, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2021-04-29 00:45:31,482 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -80 predicate places. [2021-04-29 00:45:31,482 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:31,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 40 transitions, 161 flow [2021-04-29 00:45:31,483 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 40 transitions, 161 flow [2021-04-29 00:45:31,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 161 flow [2021-04-29 00:45:31,536 INFO L129 PetriNetUnfolder]: 56/215 cut-off events. [2021-04-29 00:45:31,537 INFO L130 PetriNetUnfolder]: For 148/165 co-relation queries the response was YES. [2021-04-29 00:45:31,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 215 events. 56/215 cut-off events. For 148/165 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1273 event pairs, 31 based on Foata normal form. 1/145 useless extension candidates. Maximal degree in co-relation 461. Up to 86 conditions per place. [2021-04-29 00:45:31,541 INFO L146 LiptonReduction]: Number of co-enabled transitions 590 [2021-04-29 00:45:31,842 INFO L158 LiptonReduction]: Checked pairs total: 131 [2021-04-29 00:45:31,842 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:31,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-04-29 00:45:31,844 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 161 flow [2021-04-29 00:45:31,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:31,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:31,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:31,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:45:31,846 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:31,846 INFO L82 PathProgramCache]: Analyzing trace with hash 359596464, now seen corresponding path program 1 times [2021-04-29 00:45:31,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:31,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132657743] [2021-04-29 00:45:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:31,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:31,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:31,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:31,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:32,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132657743] [2021-04-29 00:45:32,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:32,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:45:32,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121572816] [2021-04-29 00:45:32,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:45:32,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:32,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:45:32,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:45:32,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 325 [2021-04-29 00:45:32,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 161 flow. Second operand has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:32,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:32,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 325 [2021-04-29 00:45:32,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:32,305 INFO L129 PetriNetUnfolder]: 171/499 cut-off events. [2021-04-29 00:45:32,306 INFO L130 PetriNetUnfolder]: For 359/393 co-relation queries the response was YES. [2021-04-29 00:45:32,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 499 events. 171/499 cut-off events. For 359/393 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3352 event pairs, 59 based on Foata normal form. 9/384 useless extension candidates. Maximal degree in co-relation 1237. Up to 209 conditions per place. [2021-04-29 00:45:32,313 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 18 selfloop transitions, 13 changer transitions 0/52 dead transitions. [2021-04-29 00:45:32,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 52 transitions, 282 flow [2021-04-29 00:45:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:45:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:45:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 703 transitions. [2021-04-29 00:45:32,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5407692307692308 [2021-04-29 00:45:32,321 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 703 transitions. [2021-04-29 00:45:32,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 703 transitions. [2021-04-29 00:45:32,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:32,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 703 transitions. [2021-04-29 00:45:32,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:32,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 325.0) internal successors, (1625), 5 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:32,330 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 325.0) internal successors, (1625), 5 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:32,330 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 161 flow. Second operand 4 states and 703 transitions. [2021-04-29 00:45:32,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 52 transitions, 282 flow [2021-04-29 00:45:32,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 273 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:32,335 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 270 flow [2021-04-29 00:45:32,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=270, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-04-29 00:45:32,336 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -76 predicate places. [2021-04-29 00:45:32,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:32,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 270 flow [2021-04-29 00:45:32,337 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 270 flow [2021-04-29 00:45:32,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 270 flow [2021-04-29 00:45:32,397 INFO L129 PetriNetUnfolder]: 65/262 cut-off events. [2021-04-29 00:45:32,397 INFO L130 PetriNetUnfolder]: For 241/297 co-relation queries the response was YES. [2021-04-29 00:45:32,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 262 events. 65/262 cut-off events. For 241/297 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1611 event pairs, 13 based on Foata normal form. 3/183 useless extension candidates. Maximal degree in co-relation 661. Up to 93 conditions per place. [2021-04-29 00:45:32,404 INFO L146 LiptonReduction]: Number of co-enabled transitions 716 [2021-04-29 00:45:32,909 INFO L158 LiptonReduction]: Checked pairs total: 120 [2021-04-29 00:45:32,909 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:32,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 573 [2021-04-29 00:45:32,910 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 270 flow [2021-04-29 00:45:32,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:32,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:32,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:32,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:45:32,912 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:32,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:32,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1909460061, now seen corresponding path program 1 times [2021-04-29 00:45:32,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:32,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677258000] [2021-04-29 00:45:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:33,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:33,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:33,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:33,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:45:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:33,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677258000] [2021-04-29 00:45:33,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:33,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:45:33,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882644384] [2021-04-29 00:45:33,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:45:33,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:33,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:45:33,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:45:33,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 325 [2021-04-29 00:45:33,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 270 flow. Second operand has 5 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:33,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:33,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 325 [2021-04-29 00:45:33,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:33,578 INFO L129 PetriNetUnfolder]: 174/524 cut-off events. [2021-04-29 00:45:33,578 INFO L130 PetriNetUnfolder]: For 731/748 co-relation queries the response was YES. [2021-04-29 00:45:33,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 524 events. 174/524 cut-off events. For 731/748 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3600 event pairs, 11 based on Foata normal form. 10/416 useless extension candidates. Maximal degree in co-relation 1498. Up to 199 conditions per place. [2021-04-29 00:45:33,586 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 27 selfloop transitions, 18 changer transitions 0/66 dead transitions. [2021-04-29 00:45:33,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 66 transitions, 470 flow [2021-04-29 00:45:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:45:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:45:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1037 transitions. [2021-04-29 00:45:33,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5317948717948718 [2021-04-29 00:45:33,592 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1037 transitions. [2021-04-29 00:45:33,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1037 transitions. [2021-04-29 00:45:33,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:33,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1037 transitions. [2021-04-29 00:45:33,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:33,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:33,604 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:33,605 INFO L185 Difference]: Start difference. First operand has 50 places, 49 transitions, 270 flow. Second operand 6 states and 1037 transitions. [2021-04-29 00:45:33,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 66 transitions, 470 flow [2021-04-29 00:45:33,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 66 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:33,612 INFO L241 Difference]: Finished difference. Result has 57 places, 58 transitions, 413 flow [2021-04-29 00:45:33,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=413, PETRI_PLACES=57, PETRI_TRANSITIONS=58} [2021-04-29 00:45:33,612 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -69 predicate places. [2021-04-29 00:45:33,613 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:33,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 58 transitions, 413 flow [2021-04-29 00:45:33,613 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 58 transitions, 413 flow [2021-04-29 00:45:33,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 58 transitions, 413 flow [2021-04-29 00:45:33,676 INFO L129 PetriNetUnfolder]: 60/255 cut-off events. [2021-04-29 00:45:33,676 INFO L130 PetriNetUnfolder]: For 531/614 co-relation queries the response was YES. [2021-04-29 00:45:33,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 255 events. 60/255 cut-off events. For 531/614 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1547 event pairs, 6 based on Foata normal form. 5/192 useless extension candidates. Maximal degree in co-relation 780. Up to 86 conditions per place. [2021-04-29 00:45:33,683 INFO L146 LiptonReduction]: Number of co-enabled transitions 832 [2021-04-29 00:45:34,270 INFO L158 LiptonReduction]: Checked pairs total: 147 [2021-04-29 00:45:34,271 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:34,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 658 [2021-04-29 00:45:34,272 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 58 transitions, 413 flow [2021-04-29 00:45:34,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:34,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:34,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:34,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:45:34,273 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:34,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:34,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1813266034, now seen corresponding path program 1 times [2021-04-29 00:45:34,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:34,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531245492] [2021-04-29 00:45:34,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:34,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:34,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:34,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:34,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 00:45:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:45:34,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:34,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:45:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:34,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531245492] [2021-04-29 00:45:34,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:34,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:45:34,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121653561] [2021-04-29 00:45:34,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:45:34,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:45:34,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:45:34,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 325 [2021-04-29 00:45:34,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 58 transitions, 413 flow. Second operand has 5 states, 5 states have (on average 171.4) internal successors, (857), 5 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:34,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:34,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 325 [2021-04-29 00:45:34,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:35,099 INFO L129 PetriNetUnfolder]: 171/494 cut-off events. [2021-04-29 00:45:35,099 INFO L130 PetriNetUnfolder]: For 1350/1373 co-relation queries the response was YES. [2021-04-29 00:45:35,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 494 events. 171/494 cut-off events. For 1350/1373 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3250 event pairs, 22 based on Foata normal form. 13/398 useless extension candidates. Maximal degree in co-relation 1744. Up to 241 conditions per place. [2021-04-29 00:45:35,108 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 35 selfloop transitions, 17 changer transitions 0/73 dead transitions. [2021-04-29 00:45:35,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 73 transitions, 638 flow [2021-04-29 00:45:35,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 875 transitions. [2021-04-29 00:45:35,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2021-04-29 00:45:35,115 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 875 transitions. [2021-04-29 00:45:35,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 875 transitions. [2021-04-29 00:45:35,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:35,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 875 transitions. [2021-04-29 00:45:35,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:35,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:35,124 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:35,124 INFO L185 Difference]: Start difference. First operand has 57 places, 58 transitions, 413 flow. Second operand 5 states and 875 transitions. [2021-04-29 00:45:35,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 73 transitions, 638 flow [2021-04-29 00:45:35,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 73 transitions, 614 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-04-29 00:45:35,133 INFO L241 Difference]: Finished difference. Result has 61 places, 66 transitions, 517 flow [2021-04-29 00:45:35,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=517, PETRI_PLACES=61, PETRI_TRANSITIONS=66} [2021-04-29 00:45:35,134 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -65 predicate places. [2021-04-29 00:45:35,134 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:35,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 66 transitions, 517 flow [2021-04-29 00:45:35,135 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 66 transitions, 517 flow [2021-04-29 00:45:35,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 66 transitions, 517 flow [2021-04-29 00:45:35,268 INFO L129 PetriNetUnfolder]: 119/476 cut-off events. [2021-04-29 00:45:35,268 INFO L130 PetriNetUnfolder]: For 883/925 co-relation queries the response was YES. [2021-04-29 00:45:35,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 476 events. 119/476 cut-off events. For 883/925 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3640 event pairs, 8 based on Foata normal form. 11/345 useless extension candidates. Maximal degree in co-relation 1453. Up to 153 conditions per place. [2021-04-29 00:45:35,281 INFO L146 LiptonReduction]: Number of co-enabled transitions 876 [2021-04-29 00:45:35,287 INFO L158 LiptonReduction]: Checked pairs total: 100 [2021-04-29 00:45:35,288 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:35,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-04-29 00:45:35,289 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 66 transitions, 517 flow [2021-04-29 00:45:35,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.4) internal successors, (857), 5 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:35,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:35,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:35,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:45:35,290 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:35,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:35,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1700644839, now seen corresponding path program 1 times [2021-04-29 00:45:35,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:35,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100155209] [2021-04-29 00:45:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:35,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:35,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:35,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:35,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:35,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:35,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 00:45:35,600 INFO L142 QuantifierPusher]: treesize reduction 50, result has 40.5 percent of original size [2021-04-29 00:45:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 00:45:35,682 INFO L142 QuantifierPusher]: treesize reduction 49, result has 41.0 percent of original size [2021-04-29 00:45:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 00:45:35,687 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-04-29 00:45:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 00:45:35,780 INFO L142 QuantifierPusher]: treesize reduction 44, result has 58.5 percent of original size [2021-04-29 00:45:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 00:45:35,949 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2021-04-29 00:45:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:35,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100155209] [2021-04-29 00:45:35,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:35,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:45:35,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661301848] [2021-04-29 00:45:35,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:45:35,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:35,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:45:35,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:45:35,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 325 [2021-04-29 00:45:35,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 66 transitions, 517 flow. Second operand has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:35,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:35,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 325 [2021-04-29 00:45:35,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:36,450 INFO L129 PetriNetUnfolder]: 220/616 cut-off events. [2021-04-29 00:45:36,451 INFO L130 PetriNetUnfolder]: For 1797/1863 co-relation queries the response was YES. [2021-04-29 00:45:36,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2286 conditions, 616 events. 220/616 cut-off events. For 1797/1863 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4227 event pairs, 11 based on Foata normal form. 23/498 useless extension candidates. Maximal degree in co-relation 2262. Up to 274 conditions per place. [2021-04-29 00:45:36,462 INFO L132 encePairwiseOnDemand]: 315/325 looper letters, 41 selfloop transitions, 34 changer transitions 0/96 dead transitions. [2021-04-29 00:45:36,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 96 transitions, 926 flow [2021-04-29 00:45:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 913 transitions. [2021-04-29 00:45:36,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5618461538461539 [2021-04-29 00:45:36,469 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 913 transitions. [2021-04-29 00:45:36,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 913 transitions. [2021-04-29 00:45:36,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:36,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 913 transitions. [2021-04-29 00:45:36,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:36,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:36,478 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:36,478 INFO L185 Difference]: Start difference. First operand has 61 places, 66 transitions, 517 flow. Second operand 5 states and 913 transitions. [2021-04-29 00:45:36,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 96 transitions, 926 flow [2021-04-29 00:45:36,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 96 transitions, 891 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 00:45:36,489 INFO L241 Difference]: Finished difference. Result has 65 places, 89 transitions, 825 flow [2021-04-29 00:45:36,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=825, PETRI_PLACES=65, PETRI_TRANSITIONS=89} [2021-04-29 00:45:36,490 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -61 predicate places. [2021-04-29 00:45:36,490 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:36,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 89 transitions, 825 flow [2021-04-29 00:45:36,491 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 89 transitions, 825 flow [2021-04-29 00:45:36,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 89 transitions, 825 flow [2021-04-29 00:45:36,653 INFO L129 PetriNetUnfolder]: 209/610 cut-off events. [2021-04-29 00:45:36,653 INFO L130 PetriNetUnfolder]: For 1813/1890 co-relation queries the response was YES. [2021-04-29 00:45:36,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2273 conditions, 610 events. 209/610 cut-off events. For 1813/1890 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4495 event pairs, 10 based on Foata normal form. 38/504 useless extension candidates. Maximal degree in co-relation 2249. Up to 253 conditions per place. [2021-04-29 00:45:36,670 INFO L146 LiptonReduction]: Number of co-enabled transitions 1056 [2021-04-29 00:45:36,680 INFO L158 LiptonReduction]: Checked pairs total: 252 [2021-04-29 00:45:36,680 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:36,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-04-29 00:45:36,682 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 89 transitions, 825 flow [2021-04-29 00:45:36,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:36,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:36,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:36,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:45:36,686 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:36,687 INFO L82 PathProgramCache]: Analyzing trace with hash 2029797905, now seen corresponding path program 2 times [2021-04-29 00:45:36,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:36,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907613315] [2021-04-29 00:45:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:36,891 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-04-29 00:45:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:36,926 INFO L142 QuantifierPusher]: treesize reduction 30, result has 42.3 percent of original size [2021-04-29 00:45:36,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:45:36,966 INFO L142 QuantifierPusher]: treesize reduction 17, result has 74.2 percent of original size [2021-04-29 00:45:36,968 INFO L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-04-29 00:45:37,069 INFO L142 QuantifierPusher]: treesize reduction 66, result has 25.0 percent of original size [2021-04-29 00:45:37,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:45:37,140 INFO L142 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-04-29 00:45:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 00:45:37,261 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-04-29 00:45:37,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 00:45:37,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:37,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:45:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:37,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907613315] [2021-04-29 00:45:37,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:37,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:45:37,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81894142] [2021-04-29 00:45:37,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:45:37,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:37,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:45:37,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:45:37,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 325 [2021-04-29 00:45:37,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 89 transitions, 825 flow. Second operand has 9 states, 9 states have (on average 161.88888888888889) internal successors, (1457), 9 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:37,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:37,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 325 [2021-04-29 00:45:37,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:38,233 INFO L129 PetriNetUnfolder]: 231/649 cut-off events. [2021-04-29 00:45:38,234 INFO L130 PetriNetUnfolder]: For 2350/2504 co-relation queries the response was YES. [2021-04-29 00:45:38,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2828 conditions, 649 events. 231/649 cut-off events. For 2350/2504 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4607 event pairs, 8 based on Foata normal form. 49/549 useless extension candidates. Maximal degree in co-relation 2802. Up to 282 conditions per place. [2021-04-29 00:45:38,247 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 42 selfloop transitions, 46 changer transitions 0/109 dead transitions. [2021-04-29 00:45:38,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 109 transitions, 1217 flow [2021-04-29 00:45:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 832 transitions. [2021-04-29 00:45:38,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.512 [2021-04-29 00:45:38,256 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 832 transitions. [2021-04-29 00:45:38,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 832 transitions. [2021-04-29 00:45:38,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:38,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 832 transitions. [2021-04-29 00:45:38,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.4) internal successors, (832), 5 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:38,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:38,266 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:38,267 INFO L185 Difference]: Start difference. First operand has 65 places, 89 transitions, 825 flow. Second operand 5 states and 832 transitions. [2021-04-29 00:45:38,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 109 transitions, 1217 flow [2021-04-29 00:45:38,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 109 transitions, 1183 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:38,283 INFO L241 Difference]: Finished difference. Result has 69 places, 101 transitions, 1082 flow [2021-04-29 00:45:38,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1082, PETRI_PLACES=69, PETRI_TRANSITIONS=101} [2021-04-29 00:45:38,284 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -57 predicate places. [2021-04-29 00:45:38,284 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:38,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 101 transitions, 1082 flow [2021-04-29 00:45:38,284 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 101 transitions, 1082 flow [2021-04-29 00:45:38,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 101 transitions, 1082 flow [2021-04-29 00:45:38,465 INFO L129 PetriNetUnfolder]: 223/586 cut-off events. [2021-04-29 00:45:38,466 INFO L130 PetriNetUnfolder]: For 3288/3504 co-relation queries the response was YES. [2021-04-29 00:45:38,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 586 events. 223/586 cut-off events. For 3288/3504 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3974 event pairs, 24 based on Foata normal form. 54/513 useless extension candidates. Maximal degree in co-relation 2594. Up to 281 conditions per place. [2021-04-29 00:45:38,484 INFO L146 LiptonReduction]: Number of co-enabled transitions 1170 [2021-04-29 00:45:38,499 INFO L158 LiptonReduction]: Checked pairs total: 256 [2021-04-29 00:45:38,500 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:38,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-04-29 00:45:38,501 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 101 transitions, 1082 flow [2021-04-29 00:45:38,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 161.88888888888889) internal successors, (1457), 9 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:38,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:38,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:38,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:45:38,503 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:38,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1723982259, now seen corresponding path program 3 times [2021-04-29 00:45:38,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:38,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051657145] [2021-04-29 00:45:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:38,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:38,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:38,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:38,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:45:38,767 INFO L142 QuantifierPusher]: treesize reduction 36, result has 70.0 percent of original size [2021-04-29 00:45:38,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-29 00:45:38,904 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21 [2021-04-29 00:45:38,910 INFO L142 QuantifierPusher]: treesize reduction 40, result has 68.8 percent of original size [2021-04-29 00:45:38,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 00:45:39,041 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-04-29 00:45:39,047 INFO L142 QuantifierPusher]: treesize reduction 36, result has 72.1 percent of original size [2021-04-29 00:45:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-04-29 00:45:39,215 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2021-04-29 00:45:39,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-04-29 00:45:39,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:45:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:39,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051657145] [2021-04-29 00:45:39,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:39,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:45:39,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862942691] [2021-04-29 00:45:39,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:45:39,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:39,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:45:39,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:45:39,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 325 [2021-04-29 00:45:39,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 101 transitions, 1082 flow. Second operand has 9 states, 9 states have (on average 166.88888888888889) internal successors, (1502), 9 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:39,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:39,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 325 [2021-04-29 00:45:39,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:40,182 INFO L129 PetriNetUnfolder]: 240/676 cut-off events. [2021-04-29 00:45:40,183 INFO L130 PetriNetUnfolder]: For 3213/3365 co-relation queries the response was YES. [2021-04-29 00:45:40,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3191 conditions, 676 events. 240/676 cut-off events. For 3213/3365 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4869 event pairs, 9 based on Foata normal form. 53/569 useless extension candidates. Maximal degree in co-relation 3163. Up to 297 conditions per place. [2021-04-29 00:45:40,197 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 45 selfloop transitions, 46 changer transitions 0/112 dead transitions. [2021-04-29 00:45:40,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 112 transitions, 1403 flow [2021-04-29 00:45:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 858 transitions. [2021-04-29 00:45:40,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.528 [2021-04-29 00:45:40,206 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 858 transitions. [2021-04-29 00:45:40,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 858 transitions. [2021-04-29 00:45:40,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:40,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 858 transitions. [2021-04-29 00:45:40,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:40,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:40,218 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:40,218 INFO L185 Difference]: Start difference. First operand has 69 places, 101 transitions, 1082 flow. Second operand 5 states and 858 transitions. [2021-04-29 00:45:40,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 112 transitions, 1403 flow [2021-04-29 00:45:40,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 112 transitions, 1362 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:40,241 INFO L241 Difference]: Finished difference. Result has 74 places, 106 transitions, 1260 flow [2021-04-29 00:45:40,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1260, PETRI_PLACES=74, PETRI_TRANSITIONS=106} [2021-04-29 00:45:40,243 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -52 predicate places. [2021-04-29 00:45:40,243 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:40,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 106 transitions, 1260 flow [2021-04-29 00:45:40,244 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 106 transitions, 1260 flow [2021-04-29 00:45:40,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 106 transitions, 1260 flow [2021-04-29 00:45:40,432 INFO L129 PetriNetUnfolder]: 229/643 cut-off events. [2021-04-29 00:45:40,432 INFO L130 PetriNetUnfolder]: For 4266/4572 co-relation queries the response was YES. [2021-04-29 00:45:40,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2926 conditions, 643 events. 229/643 cut-off events. For 4266/4572 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4656 event pairs, 9 based on Foata normal form. 76/576 useless extension candidates. Maximal degree in co-relation 2897. Up to 288 conditions per place. [2021-04-29 00:45:40,449 INFO L146 LiptonReduction]: Number of co-enabled transitions 1224 [2021-04-29 00:45:40,464 INFO L158 LiptonReduction]: Checked pairs total: 268 [2021-04-29 00:45:40,464 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:40,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-04-29 00:45:40,465 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 106 transitions, 1260 flow [2021-04-29 00:45:40,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 166.88888888888889) internal successors, (1502), 9 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:40,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:40,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:40,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:45:40,468 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1760658981, now seen corresponding path program 4 times [2021-04-29 00:45:40,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:40,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285858464] [2021-04-29 00:45:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:40,665 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 00:45:40,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 00:45:40,767 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 00:45:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 00:45:40,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:40,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:40,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:40,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:40,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:40,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:40,967 INFO L142 QuantifierPusher]: treesize reduction 66, result has 65.6 percent of original size [2021-04-29 00:45:40,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-04-29 00:45:41,190 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2021-04-29 00:45:41,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:41,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:45:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:41,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285858464] [2021-04-29 00:45:41,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:41,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:45:41,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573456337] [2021-04-29 00:45:41,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:45:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:41,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:45:41,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:45:41,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 325 [2021-04-29 00:45:41,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 106 transitions, 1260 flow. Second operand has 8 states, 8 states have (on average 160.0) internal successors, (1280), 8 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:41,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:41,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 325 [2021-04-29 00:45:41,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:41,963 INFO L129 PetriNetUnfolder]: 266/728 cut-off events. [2021-04-29 00:45:41,963 INFO L130 PetriNetUnfolder]: For 4581/4747 co-relation queries the response was YES. [2021-04-29 00:45:41,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3718 conditions, 728 events. 266/728 cut-off events. For 4581/4747 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5260 event pairs, 9 based on Foata normal form. 80/636 useless extension candidates. Maximal degree in co-relation 3687. Up to 330 conditions per place. [2021-04-29 00:45:41,978 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 45 selfloop transitions, 63 changer transitions 0/129 dead transitions. [2021-04-29 00:45:41,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 129 transitions, 1766 flow [2021-04-29 00:45:41,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:45:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:45:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1149 transitions. [2021-04-29 00:45:41,984 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5050549450549451 [2021-04-29 00:45:41,985 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1149 transitions. [2021-04-29 00:45:41,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1149 transitions. [2021-04-29 00:45:41,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:41,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1149 transitions. [2021-04-29 00:45:41,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 164.14285714285714) internal successors, (1149), 7 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:41,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:41,995 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:41,995 INFO L185 Difference]: Start difference. First operand has 74 places, 106 transitions, 1260 flow. Second operand 7 states and 1149 transitions. [2021-04-29 00:45:41,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 129 transitions, 1766 flow [2021-04-29 00:45:42,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 129 transitions, 1720 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-04-29 00:45:42,012 INFO L241 Difference]: Finished difference. Result has 81 places, 119 transitions, 1583 flow [2021-04-29 00:45:42,012 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1583, PETRI_PLACES=81, PETRI_TRANSITIONS=119} [2021-04-29 00:45:42,012 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -45 predicate places. [2021-04-29 00:45:42,012 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:42,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 119 transitions, 1583 flow [2021-04-29 00:45:42,013 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 119 transitions, 1583 flow [2021-04-29 00:45:42,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 119 transitions, 1583 flow [2021-04-29 00:45:42,173 INFO L129 PetriNetUnfolder]: 254/702 cut-off events. [2021-04-29 00:45:42,174 INFO L130 PetriNetUnfolder]: For 5806/6031 co-relation queries the response was YES. [2021-04-29 00:45:42,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3424 conditions, 702 events. 254/702 cut-off events. For 5806/6031 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5227 event pairs, 24 based on Foata normal form. 93/631 useless extension candidates. Maximal degree in co-relation 3392. Up to 317 conditions per place. [2021-04-29 00:45:42,191 INFO L146 LiptonReduction]: Number of co-enabled transitions 1340 [2021-04-29 00:45:42,203 INFO L158 LiptonReduction]: Checked pairs total: 304 [2021-04-29 00:45:42,203 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:42,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-04-29 00:45:42,204 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 119 transitions, 1583 flow [2021-04-29 00:45:42,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 160.0) internal successors, (1280), 8 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:42,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:42,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:42,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:45:42,206 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:42,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:42,206 INFO L82 PathProgramCache]: Analyzing trace with hash -2093506001, now seen corresponding path program 5 times [2021-04-29 00:45:42,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:42,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511422376] [2021-04-29 00:45:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:42,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:42,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:42,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:42,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:42,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:42,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:42,367 INFO L142 QuantifierPusher]: treesize reduction 66, result has 47.2 percent of original size [2021-04-29 00:45:42,369 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.4 percent of original size 51 [2021-04-29 00:45:42,436 INFO L142 QuantifierPusher]: treesize reduction 131, result has 61.0 percent of original size [2021-04-29 00:45:42,441 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.6 percent of original size 196 [2021-04-29 00:45:42,671 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2021-04-29 00:45:42,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:42,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511422376] [2021-04-29 00:45:42,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:42,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:42,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246344135] [2021-04-29 00:45:42,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:45:42,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:42,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:45:42,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:45:42,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 325 [2021-04-29 00:45:42,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 119 transitions, 1583 flow. Second operand has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:42,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:42,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 325 [2021-04-29 00:45:42,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:43,382 INFO L129 PetriNetUnfolder]: 261/745 cut-off events. [2021-04-29 00:45:43,382 INFO L130 PetriNetUnfolder]: For 6169/6388 co-relation queries the response was YES. [2021-04-29 00:45:43,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 745 events. 261/745 cut-off events. For 6169/6388 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5541 event pairs, 3 based on Foata normal form. 92/655 useless extension candidates. Maximal degree in co-relation 3892. Up to 330 conditions per place. [2021-04-29 00:45:43,394 INFO L132 encePairwiseOnDemand]: 318/325 looper letters, 63 selfloop transitions, 50 changer transitions 6/140 dead transitions. [2021-04-29 00:45:43,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 140 transitions, 2142 flow [2021-04-29 00:45:43,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:45:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:45:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 949 transitions. [2021-04-29 00:45:43,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4866666666666667 [2021-04-29 00:45:43,400 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 949 transitions. [2021-04-29 00:45:43,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 949 transitions. [2021-04-29 00:45:43,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:43,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 949 transitions. [2021-04-29 00:45:43,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.16666666666666) internal successors, (949), 6 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,409 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,409 INFO L185 Difference]: Start difference. First operand has 81 places, 119 transitions, 1583 flow. Second operand 6 states and 949 transitions. [2021-04-29 00:45:43,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 140 transitions, 2142 flow [2021-04-29 00:45:43,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 140 transitions, 2018 flow, removed 33 selfloop flow, removed 3 redundant places. [2021-04-29 00:45:43,431 INFO L241 Difference]: Finished difference. Result has 84 places, 126 transitions, 1749 flow [2021-04-29 00:45:43,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1487, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1749, PETRI_PLACES=84, PETRI_TRANSITIONS=126} [2021-04-29 00:45:43,432 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -42 predicate places. [2021-04-29 00:45:43,432 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:43,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 126 transitions, 1749 flow [2021-04-29 00:45:43,432 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 126 transitions, 1749 flow [2021-04-29 00:45:43,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 126 transitions, 1749 flow [2021-04-29 00:45:43,590 INFO L129 PetriNetUnfolder]: 231/685 cut-off events. [2021-04-29 00:45:43,590 INFO L130 PetriNetUnfolder]: For 6539/6742 co-relation queries the response was YES. [2021-04-29 00:45:43,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3325 conditions, 685 events. 231/685 cut-off events. For 6539/6742 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5171 event pairs, 14 based on Foata normal form. 99/617 useless extension candidates. Maximal degree in co-relation 3292. Up to 301 conditions per place. [2021-04-29 00:45:43,607 INFO L146 LiptonReduction]: Number of co-enabled transitions 1408 [2021-04-29 00:45:43,621 INFO L158 LiptonReduction]: Checked pairs total: 328 [2021-04-29 00:45:43,621 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:43,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-04-29 00:45:43,623 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 126 transitions, 1749 flow [2021-04-29 00:45:43,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:43,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:43,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:45:43,626 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:43,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:43,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1993116761, now seen corresponding path program 1 times [2021-04-29 00:45:43,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:43,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710164819] [2021-04-29 00:45:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:43,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:45:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:43,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:43,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710164819] [2021-04-29 00:45:43,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:43,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:45:43,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141826364] [2021-04-29 00:45:43,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:45:43,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:43,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:45:43,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:45:43,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 325 [2021-04-29 00:45:43,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 126 transitions, 1749 flow. Second operand has 3 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:43,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 325 [2021-04-29 00:45:43,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:43,928 INFO L129 PetriNetUnfolder]: 290/934 cut-off events. [2021-04-29 00:45:43,929 INFO L130 PetriNetUnfolder]: For 7501/7620 co-relation queries the response was YES. [2021-04-29 00:45:43,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 934 events. 290/934 cut-off events. For 7501/7620 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 7799 event pairs, 5 based on Foata normal form. 52/721 useless extension candidates. Maximal degree in co-relation 4375. Up to 406 conditions per place. [2021-04-29 00:45:43,941 INFO L132 encePairwiseOnDemand]: 322/325 looper letters, 3 selfloop transitions, 3 changer transitions 24/126 dead transitions. [2021-04-29 00:45:43,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 126 transitions, 1761 flow [2021-04-29 00:45:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:45:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:45:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2021-04-29 00:45:43,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8092307692307692 [2021-04-29 00:45:43,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 789 transitions. [2021-04-29 00:45:43,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 789 transitions. [2021-04-29 00:45:43,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:43,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 789 transitions. [2021-04-29 00:45:43,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:43,952 INFO L185 Difference]: Start difference. First operand has 84 places, 126 transitions, 1749 flow. Second operand 3 states and 789 transitions. [2021-04-29 00:45:43,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 126 transitions, 1761 flow [2021-04-29 00:45:43,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 126 transitions, 1732 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 00:45:43,983 INFO L241 Difference]: Finished difference. Result has 84 places, 102 transitions, 1368 flow [2021-04-29 00:45:43,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1720, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1368, PETRI_PLACES=84, PETRI_TRANSITIONS=102} [2021-04-29 00:45:43,983 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -42 predicate places. [2021-04-29 00:45:43,983 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:43,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 102 transitions, 1368 flow [2021-04-29 00:45:43,984 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 102 transitions, 1368 flow [2021-04-29 00:45:43,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 102 transitions, 1368 flow [2021-04-29 00:45:44,126 INFO L129 PetriNetUnfolder]: 218/737 cut-off events. [2021-04-29 00:45:44,127 INFO L130 PetriNetUnfolder]: For 5692/5849 co-relation queries the response was YES. [2021-04-29 00:45:44,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3468 conditions, 737 events. 218/737 cut-off events. For 5692/5849 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6015 event pairs, 15 based on Foata normal form. 77/588 useless extension candidates. Maximal degree in co-relation 3435. Up to 331 conditions per place. [2021-04-29 00:45:44,144 INFO L146 LiptonReduction]: Number of co-enabled transitions 1004 [2021-04-29 00:45:44,153 INFO L158 LiptonReduction]: Checked pairs total: 272 [2021-04-29 00:45:44,153 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:44,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-04-29 00:45:44,155 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 102 transitions, 1368 flow [2021-04-29 00:45:44,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:44,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:44,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:44,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 00:45:44,156 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:44,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1136126401, now seen corresponding path program 1 times [2021-04-29 00:45:44,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:44,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67851669] [2021-04-29 00:45:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:44,260 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-04-29 00:45:44,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 00:45:44,320 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size [2021-04-29 00:45:44,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 00:45:44,395 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-04-29 00:45:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 00:45:44,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:44,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 00:45:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 00:45:44,628 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-04-29 00:45:44,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 00:45:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:44,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:44,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67851669] [2021-04-29 00:45:44,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:44,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:45:44,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999721120] [2021-04-29 00:45:44,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:45:44,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:44,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:45:44,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:45:44,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 325 [2021-04-29 00:45:44,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 102 transitions, 1368 flow. Second operand has 9 states, 9 states have (on average 162.0) internal successors, (1458), 9 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:44,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:44,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 325 [2021-04-29 00:45:44,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:45,166 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2021-04-29 00:45:45,662 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2021-04-29 00:45:45,955 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-04-29 00:45:46,367 INFO L129 PetriNetUnfolder]: 390/1497 cut-off events. [2021-04-29 00:45:46,367 INFO L130 PetriNetUnfolder]: For 8665/8936 co-relation queries the response was YES. [2021-04-29 00:45:46,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7061 conditions, 1497 events. 390/1497 cut-off events. For 8665/8936 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 15297 event pairs, 5 based on Foata normal form. 194/1187 useless extension candidates. Maximal degree in co-relation 7026. Up to 634 conditions per place. [2021-04-29 00:45:46,384 INFO L132 encePairwiseOnDemand]: 315/325 looper letters, 64 selfloop transitions, 63 changer transitions 21/169 dead transitions. [2021-04-29 00:45:46,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 169 transitions, 2621 flow [2021-04-29 00:45:46,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 00:45:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 00:45:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2323 transitions. [2021-04-29 00:45:46,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5105494505494506 [2021-04-29 00:45:46,395 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2323 transitions. [2021-04-29 00:45:46,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2323 transitions. [2021-04-29 00:45:46,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:46,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2323 transitions. [2021-04-29 00:45:46,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 165.92857142857142) internal successors, (2323), 14 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:46,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:46,411 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:46,411 INFO L185 Difference]: Start difference. First operand has 84 places, 102 transitions, 1368 flow. Second operand 14 states and 2323 transitions. [2021-04-29 00:45:46,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 169 transitions, 2621 flow [2021-04-29 00:45:46,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 169 transitions, 2574 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 00:45:46,439 INFO L241 Difference]: Finished difference. Result has 101 places, 128 transitions, 1922 flow [2021-04-29 00:45:46,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1329, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1922, PETRI_PLACES=101, PETRI_TRANSITIONS=128} [2021-04-29 00:45:46,440 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -25 predicate places. [2021-04-29 00:45:46,440 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:46,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 128 transitions, 1922 flow [2021-04-29 00:45:46,441 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 128 transitions, 1922 flow [2021-04-29 00:45:46,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 128 transitions, 1922 flow [2021-04-29 00:45:46,668 INFO L129 PetriNetUnfolder]: 311/1191 cut-off events. [2021-04-29 00:45:46,668 INFO L130 PetriNetUnfolder]: For 10287/10815 co-relation queries the response was YES. [2021-04-29 00:45:46,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6152 conditions, 1191 events. 311/1191 cut-off events. For 10287/10815 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11717 event pairs, 23 based on Foata normal form. 124/932 useless extension candidates. Maximal degree in co-relation 6112. Up to 512 conditions per place. [2021-04-29 00:45:46,702 INFO L146 LiptonReduction]: Number of co-enabled transitions 1256 [2021-04-29 00:45:46,719 INFO L158 LiptonReduction]: Checked pairs total: 869 [2021-04-29 00:45:46,719 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:46,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 279 [2021-04-29 00:45:46,721 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 128 transitions, 1922 flow [2021-04-29 00:45:46,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 162.0) internal successors, (1458), 9 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:46,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:46,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:46,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 00:45:46,722 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:46,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:46,722 INFO L82 PathProgramCache]: Analyzing trace with hash 51409863, now seen corresponding path program 2 times [2021-04-29 00:45:46,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:46,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388529924] [2021-04-29 00:45:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:46,897 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 00:45:46,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 00:45:46,967 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 00:45:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 00:45:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:45:47,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:47,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:45:47,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:45:47,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:45:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:47,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:45:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:47,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388529924] [2021-04-29 00:45:47,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:47,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:45:47,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715295742] [2021-04-29 00:45:47,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:45:47,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:47,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:45:47,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:45:47,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 325 [2021-04-29 00:45:47,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 128 transitions, 1922 flow. Second operand has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:47,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:47,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 325 [2021-04-29 00:45:47,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:48,167 INFO L129 PetriNetUnfolder]: 339/1317 cut-off events. [2021-04-29 00:45:48,167 INFO L130 PetriNetUnfolder]: For 11699/11976 co-relation queries the response was YES. [2021-04-29 00:45:48,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7401 conditions, 1317 events. 339/1317 cut-off events. For 11699/11976 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 13211 event pairs, 5 based on Foata normal form. 168/1052 useless extension candidates. Maximal degree in co-relation 7359. Up to 562 conditions per place. [2021-04-29 00:45:48,183 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 52 selfloop transitions, 59 changer transitions 19/151 dead transitions. [2021-04-29 00:45:48,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 151 transitions, 2567 flow [2021-04-29 00:45:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 00:45:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 00:45:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1555 transitions. [2021-04-29 00:45:48,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47846153846153844 [2021-04-29 00:45:48,191 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1555 transitions. [2021-04-29 00:45:48,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1555 transitions. [2021-04-29 00:45:48,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:48,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1555 transitions. [2021-04-29 00:45:48,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 155.5) internal successors, (1555), 10 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:48,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:48,203 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:48,204 INFO L185 Difference]: Start difference. First operand has 100 places, 128 transitions, 1922 flow. Second operand 10 states and 1555 transitions. [2021-04-29 00:45:48,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 151 transitions, 2567 flow [2021-04-29 00:45:48,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 151 transitions, 2459 flow, removed 45 selfloop flow, removed 3 redundant places. [2021-04-29 00:45:48,261 INFO L241 Difference]: Finished difference. Result has 111 places, 127 transitions, 2025 flow [2021-04-29 00:45:48,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1849, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2025, PETRI_PLACES=111, PETRI_TRANSITIONS=127} [2021-04-29 00:45:48,261 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -15 predicate places. [2021-04-29 00:45:48,261 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:48,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 127 transitions, 2025 flow [2021-04-29 00:45:48,262 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 127 transitions, 2025 flow [2021-04-29 00:45:48,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 127 transitions, 2025 flow [2021-04-29 00:45:48,483 INFO L129 PetriNetUnfolder]: 268/1115 cut-off events. [2021-04-29 00:45:48,484 INFO L130 PetriNetUnfolder]: For 10379/10569 co-relation queries the response was YES. [2021-04-29 00:45:48,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5846 conditions, 1115 events. 268/1115 cut-off events. For 10379/10569 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11085 event pairs, 9 based on Foata normal form. 56/795 useless extension candidates. Maximal degree in co-relation 5801. Up to 428 conditions per place. [2021-04-29 00:45:48,509 INFO L146 LiptonReduction]: Number of co-enabled transitions 1194 [2021-04-29 00:45:48,526 INFO L158 LiptonReduction]: Checked pairs total: 858 [2021-04-29 00:45:48,526 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:48,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-04-29 00:45:48,528 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 127 transitions, 2025 flow [2021-04-29 00:45:48,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:48,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:48,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:48,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 00:45:48,529 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:48,529 INFO L82 PathProgramCache]: Analyzing trace with hash -372226985, now seen corresponding path program 3 times [2021-04-29 00:45:48,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:48,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313913319] [2021-04-29 00:45:48,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:48,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:48,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:48,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:48,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:48,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 00:45:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:48,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:45:48,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:48,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:45:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:48,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313913319] [2021-04-29 00:45:48,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:48,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:48,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785620926] [2021-04-29 00:45:48,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:45:48,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:48,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:45:48,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:45:48,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 325 [2021-04-29 00:45:48,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 127 transitions, 2025 flow. Second operand has 7 states, 7 states have (on average 159.28571428571428) internal successors, (1115), 7 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:48,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:48,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 325 [2021-04-29 00:45:48,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:49,549 INFO L129 PetriNetUnfolder]: 270/1213 cut-off events. [2021-04-29 00:45:49,549 INFO L130 PetriNetUnfolder]: For 11793/11987 co-relation queries the response was YES. [2021-04-29 00:45:49,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6633 conditions, 1213 events. 270/1213 cut-off events. For 11793/11987 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 12304 event pairs, 10 based on Foata normal form. 110/895 useless extension candidates. Maximal degree in co-relation 6586. Up to 444 conditions per place. [2021-04-29 00:45:49,560 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 52 selfloop transitions, 50 changer transitions 16/139 dead transitions. [2021-04-29 00:45:49,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 139 transitions, 2438 flow [2021-04-29 00:45:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:45:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:45:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1457 transitions. [2021-04-29 00:45:49,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49811965811965814 [2021-04-29 00:45:49,568 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1457 transitions. [2021-04-29 00:45:49,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1457 transitions. [2021-04-29 00:45:49,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:49,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1457 transitions. [2021-04-29 00:45:49,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 161.88888888888889) internal successors, (1457), 9 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:49,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:49,579 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:49,579 INFO L185 Difference]: Start difference. First operand has 111 places, 127 transitions, 2025 flow. Second operand 9 states and 1457 transitions. [2021-04-29 00:45:49,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 139 transitions, 2438 flow [2021-04-29 00:45:49,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 139 transitions, 2331 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-04-29 00:45:49,631 INFO L241 Difference]: Finished difference. Result has 117 places, 116 transitions, 1849 flow [2021-04-29 00:45:49,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1918, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1849, PETRI_PLACES=117, PETRI_TRANSITIONS=116} [2021-04-29 00:45:49,632 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -9 predicate places. [2021-04-29 00:45:49,632 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:49,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 116 transitions, 1849 flow [2021-04-29 00:45:49,633 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 116 transitions, 1849 flow [2021-04-29 00:45:49,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 116 transitions, 1849 flow [2021-04-29 00:45:49,761 INFO L129 PetriNetUnfolder]: 180/781 cut-off events. [2021-04-29 00:45:49,761 INFO L130 PetriNetUnfolder]: For 7800/7882 co-relation queries the response was YES. [2021-04-29 00:45:49,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4282 conditions, 781 events. 180/781 cut-off events. For 7800/7882 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7030 event pairs, 14 based on Foata normal form. 41/563 useless extension candidates. Maximal degree in co-relation 4235. Up to 284 conditions per place. [2021-04-29 00:45:49,773 INFO L146 LiptonReduction]: Number of co-enabled transitions 1066 [2021-04-29 00:45:49,783 INFO L158 LiptonReduction]: Checked pairs total: 737 [2021-04-29 00:45:49,783 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:49,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-04-29 00:45:49,785 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 116 transitions, 1849 flow [2021-04-29 00:45:49,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.28571428571428) internal successors, (1115), 7 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:49,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:49,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:49,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 00:45:49,786 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1960959370, now seen corresponding path program 1 times [2021-04-29 00:45:49,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:49,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296551362] [2021-04-29 00:45:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:49,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:49,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:49,871 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:45:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:49,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:49,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:45:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:49,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296551362] [2021-04-29 00:45:49,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:49,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:45:49,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770861435] [2021-04-29 00:45:49,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:45:49,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:49,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:45:49,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:45:49,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 325 [2021-04-29 00:45:49,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 116 transitions, 1849 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:49,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:49,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 325 [2021-04-29 00:45:49,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:51,395 INFO L129 PetriNetUnfolder]: 5194/8993 cut-off events. [2021-04-29 00:45:51,395 INFO L130 PetriNetUnfolder]: For 58460/59918 co-relation queries the response was YES. [2021-04-29 00:45:51,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29162 conditions, 8993 events. 5194/8993 cut-off events. For 58460/59918 co-relation queries the response was YES. Maximal size of possible extension queue 1458. Compared 77843 event pairs, 2574 based on Foata normal form. 1011/5027 useless extension candidates. Maximal degree in co-relation 29113. Up to 6871 conditions per place. [2021-04-29 00:45:51,603 INFO L132 encePairwiseOnDemand]: 313/325 looper letters, 24 selfloop transitions, 20 changer transitions 3/116 dead transitions. [2021-04-29 00:45:51,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 1510 flow [2021-04-29 00:45:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:45:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:45:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1227 transitions. [2021-04-29 00:45:51,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7550769230769231 [2021-04-29 00:45:51,610 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1227 transitions. [2021-04-29 00:45:51,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1227 transitions. [2021-04-29 00:45:51,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:51,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1227 transitions. [2021-04-29 00:45:51,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.4) internal successors, (1227), 5 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:51,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:51,619 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:51,619 INFO L185 Difference]: Start difference. First operand has 117 places, 116 transitions, 1849 flow. Second operand 5 states and 1227 transitions. [2021-04-29 00:45:51,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 1510 flow [2021-04-29 00:45:51,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 116 transitions, 1347 flow, removed 43 selfloop flow, removed 15 redundant places. [2021-04-29 00:45:51,719 INFO L241 Difference]: Finished difference. Result has 109 places, 104 transitions, 1357 flow [2021-04-29 00:45:51,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1203, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1357, PETRI_PLACES=109, PETRI_TRANSITIONS=104} [2021-04-29 00:45:51,719 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -17 predicate places. [2021-04-29 00:45:51,719 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:51,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 104 transitions, 1357 flow [2021-04-29 00:45:51,720 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 104 transitions, 1357 flow [2021-04-29 00:45:51,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 1357 flow [2021-04-29 00:45:52,302 INFO L129 PetriNetUnfolder]: 2761/4986 cut-off events. [2021-04-29 00:45:52,302 INFO L130 PetriNetUnfolder]: For 31361/32992 co-relation queries the response was YES. [2021-04-29 00:45:52,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20822 conditions, 4986 events. 2761/4986 cut-off events. For 31361/32992 co-relation queries the response was YES. Maximal size of possible extension queue 764. Compared 42058 event pairs, 1210 based on Foata normal form. 65/2299 useless extension candidates. Maximal degree in co-relation 20778. Up to 4081 conditions per place. [2021-04-29 00:45:52,359 INFO L146 LiptonReduction]: Number of co-enabled transitions 930 [2021-04-29 00:45:52,378 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:45:52,378 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:52,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 659 [2021-04-29 00:45:52,379 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 1357 flow [2021-04-29 00:45:52,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:52,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:52,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:52,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 00:45:52,380 INFO L428 AbstractCegarLoop]: === Iteration 18 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:52,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1669302326, now seen corresponding path program 1 times [2021-04-29 00:45:52,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:52,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286539883] [2021-04-29 00:45:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:52,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:52,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:52,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:45:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:52,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:52,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:45:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:52,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286539883] [2021-04-29 00:45:52,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:52,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:45:52,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230557421] [2021-04-29 00:45:52,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:45:52,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:52,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:45:52,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:45:52,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 325 [2021-04-29 00:45:52,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 1357 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:52,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:52,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 325 [2021-04-29 00:45:52,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:53,325 INFO L129 PetriNetUnfolder]: 1955/4048 cut-off events. [2021-04-29 00:45:53,325 INFO L130 PetriNetUnfolder]: For 43359/46345 co-relation queries the response was YES. [2021-04-29 00:45:53,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20409 conditions, 4048 events. 1955/4048 cut-off events. For 43359/46345 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 37323 event pairs, 243 based on Foata normal form. 684/2586 useless extension candidates. Maximal degree in co-relation 20363. Up to 3299 conditions per place. [2021-04-29 00:45:53,356 INFO L132 encePairwiseOnDemand]: 313/325 looper letters, 11 selfloop transitions, 39 changer transitions 9/122 dead transitions. [2021-04-29 00:45:53,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 122 transitions, 1494 flow [2021-04-29 00:45:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:45:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:45:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1720 transitions. [2021-04-29 00:45:53,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.756043956043956 [2021-04-29 00:45:53,363 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1720 transitions. [2021-04-29 00:45:53,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1720 transitions. [2021-04-29 00:45:53,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:53,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1720 transitions. [2021-04-29 00:45:53,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 245.71428571428572) internal successors, (1720), 7 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:53,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:53,374 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:53,374 INFO L185 Difference]: Start difference. First operand has 108 places, 104 transitions, 1357 flow. Second operand 7 states and 1720 transitions. [2021-04-29 00:45:53,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 122 transitions, 1494 flow [2021-04-29 00:45:53,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 1382 flow, removed 32 selfloop flow, removed 10 redundant places. [2021-04-29 00:45:53,473 INFO L241 Difference]: Finished difference. Result has 107 places, 113 transitions, 1359 flow [2021-04-29 00:45:53,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1359, PETRI_PLACES=107, PETRI_TRANSITIONS=113} [2021-04-29 00:45:53,474 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -19 predicate places. [2021-04-29 00:45:53,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:53,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 113 transitions, 1359 flow [2021-04-29 00:45:53,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 113 transitions, 1359 flow [2021-04-29 00:45:53,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 113 transitions, 1359 flow [2021-04-29 00:45:53,850 INFO L129 PetriNetUnfolder]: 1496/3360 cut-off events. [2021-04-29 00:45:53,850 INFO L130 PetriNetUnfolder]: For 27485/28768 co-relation queries the response was YES. [2021-04-29 00:45:53,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18214 conditions, 3360 events. 1496/3360 cut-off events. For 27485/28768 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 31893 event pairs, 252 based on Foata normal form. 45/1721 useless extension candidates. Maximal degree in co-relation 18173. Up to 2624 conditions per place. [2021-04-29 00:45:53,891 INFO L146 LiptonReduction]: Number of co-enabled transitions 986 [2021-04-29 00:45:54,453 INFO L158 LiptonReduction]: Checked pairs total: 38 [2021-04-29 00:45:54,453 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 00:45:54,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 979 [2021-04-29 00:45:54,454 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 115 transitions, 1391 flow [2021-04-29 00:45:54,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:54,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:54,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:54,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 00:45:54,456 INFO L428 AbstractCegarLoop]: === Iteration 19 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:54,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1929742035, now seen corresponding path program 1 times [2021-04-29 00:45:54,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:54,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888015293] [2021-04-29 00:45:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:54,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:54,577 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:45:54,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:45:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:54,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888015293] [2021-04-29 00:45:54,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:54,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:54,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556036234] [2021-04-29 00:45:54,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:45:54,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:54,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:45:54,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:45:54,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 327 [2021-04-29 00:45:54,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 115 transitions, 1391 flow. Second operand has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:54,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:54,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 327 [2021-04-29 00:45:54,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:55,513 INFO L129 PetriNetUnfolder]: 992/2538 cut-off events. [2021-04-29 00:45:55,513 INFO L130 PetriNetUnfolder]: For 28814/33735 co-relation queries the response was YES. [2021-04-29 00:45:55,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14787 conditions, 2538 events. 992/2538 cut-off events. For 28814/33735 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 25057 event pairs, 0 based on Foata normal form. 579/1742 useless extension candidates. Maximal degree in co-relation 14744. Up to 2198 conditions per place. [2021-04-29 00:45:55,533 INFO L132 encePairwiseOnDemand]: 315/327 looper letters, 2 selfloop transitions, 49 changer transitions 16/123 dead transitions. [2021-04-29 00:45:55,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 123 transitions, 1568 flow [2021-04-29 00:45:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:45:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:45:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2213 transitions. [2021-04-29 00:45:55,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7519537886510363 [2021-04-29 00:45:55,540 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2213 transitions. [2021-04-29 00:45:55,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2213 transitions. [2021-04-29 00:45:55,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:55,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2213 transitions. [2021-04-29 00:45:55,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 245.88888888888889) internal successors, (2213), 9 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:55,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:55,553 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:55,553 INFO L185 Difference]: Start difference. First operand has 108 places, 115 transitions, 1391 flow. Second operand 9 states and 2213 transitions. [2021-04-29 00:45:55,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 123 transitions, 1568 flow [2021-04-29 00:45:55,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 123 transitions, 1437 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-04-29 00:45:55,723 INFO L241 Difference]: Finished difference. Result has 114 places, 107 transitions, 1295 flow [2021-04-29 00:45:55,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=1239, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1295, PETRI_PLACES=114, PETRI_TRANSITIONS=107} [2021-04-29 00:45:55,724 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -12 predicate places. [2021-04-29 00:45:55,724 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:55,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 107 transitions, 1295 flow [2021-04-29 00:45:55,729 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 107 transitions, 1295 flow [2021-04-29 00:45:55,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 107 transitions, 1295 flow [2021-04-29 00:45:56,067 INFO L129 PetriNetUnfolder]: 773/2186 cut-off events. [2021-04-29 00:45:56,068 INFO L130 PetriNetUnfolder]: For 12028/12508 co-relation queries the response was YES. [2021-04-29 00:45:56,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10879 conditions, 2186 events. 773/2186 cut-off events. For 12028/12508 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 22796 event pairs, 0 based on Foata normal form. 29/1088 useless extension candidates. Maximal degree in co-relation 10837. Up to 900 conditions per place. [2021-04-29 00:45:56,111 INFO L146 LiptonReduction]: Number of co-enabled transitions 860 [2021-04-29 00:45:58,003 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:45:58,814 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:02,527 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:46:04,325 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:06,310 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:07,189 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:11,057 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:46:12,902 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:15,092 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:16,126 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:20,597 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-29 00:46:22,619 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-29 00:46:24,951 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:25,945 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:30,262 WARN L205 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:46:32,186 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:34,793 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:37,000 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-04-29 00:46:42,215 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-29 00:46:44,583 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-29 00:46:47,416 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:48,601 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:53,740 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-29 00:46:55,978 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-29 00:46:58,517 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:46:59,675 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:47:04,945 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:47:07,190 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:47:10,080 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:47:12,580 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-04-29 00:47:17,983 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:47:20,551 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:47:23,434 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:47:24,765 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:47:30,896 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:47:33,577 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:47:36,733 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:47:38,194 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:47:44,481 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:47:47,357 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:47:47,403 INFO L158 LiptonReduction]: Checked pairs total: 430 [2021-04-29 00:47:47,403 INFO L160 LiptonReduction]: Total number of compositions: 10 [2021-04-29 00:47:47,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111680 [2021-04-29 00:47:47,405 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 107 transitions, 1305 flow [2021-04-29 00:47:47,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:47,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:47:47,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:47:47,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 00:47:47,406 INFO L428 AbstractCegarLoop]: === Iteration 20 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:47:47,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:47:47,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1514851933, now seen corresponding path program 1 times [2021-04-29 00:47:47,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:47:47,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73787592] [2021-04-29 00:47:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:47:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:47:47,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 00:47:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 00:47:47,717 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2021-04-29 00:47:47,723 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 00:47:47,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 00:47:47,892 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2021-04-29 00:47:47,897 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-04-29 00:47:47,900 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size 35 [2021-04-29 00:47:48,027 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 14 [2021-04-29 00:47:48,033 INFO L142 QuantifierPusher]: treesize reduction 21, result has 82.1 percent of original size [2021-04-29 00:47:48,036 INFO L147 QuantifierPusher]: treesize reduction 38, result has 60.4 percent of original size 58 [2021-04-29 00:47:48,314 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2021-04-29 00:47:48,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.5 percent of original size [2021-04-29 00:47:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-04-29 00:47:48,722 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-04-29 00:47:48,727 INFO L142 QuantifierPusher]: treesize reduction 8, result has 79.5 percent of original size [2021-04-29 00:47:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:47:48,861 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-04-29 00:47:48,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 00:47:48,979 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.7 percent of original size [2021-04-29 00:47:48,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 00:47:49,206 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2021-04-29 00:47:49,210 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-04-29 00:47:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:47:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:47:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73787592] [2021-04-29 00:47:49,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:47:49,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 00:47:49,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727543700] [2021-04-29 00:47:49,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 00:47:49,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:47:49,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 00:47:49,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-04-29 00:47:49,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 337 [2021-04-29 00:47:49,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 143.9090909090909) internal successors, (1583), 11 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:49,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:47:49,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 337 [2021-04-29 00:47:49,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:47:49,518 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-29 00:47:50,045 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-29 00:47:51,107 INFO L129 PetriNetUnfolder]: 880/2456 cut-off events. [2021-04-29 00:47:51,107 INFO L130 PetriNetUnfolder]: For 16374/16956 co-relation queries the response was YES. [2021-04-29 00:47:51,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12641 conditions, 2456 events. 880/2456 cut-off events. For 16374/16956 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 25623 event pairs, 0 based on Foata normal form. 63/1251 useless extension candidates. Maximal degree in co-relation 12597. Up to 990 conditions per place. [2021-04-29 00:47:51,121 INFO L132 encePairwiseOnDemand]: 324/337 looper letters, 31 selfloop transitions, 15 changer transitions 12/115 dead transitions. [2021-04-29 00:47:51,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 1564 flow [2021-04-29 00:47:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:47:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:47:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1037 transitions. [2021-04-29 00:47:51,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43959304790165327 [2021-04-29 00:47:51,130 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1037 transitions. [2021-04-29 00:47:51,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1037 transitions. [2021-04-29 00:47:51,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:47:51,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1037 transitions. [2021-04-29 00:47:51,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 148.14285714285714) internal successors, (1037), 7 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:51,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:51,137 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:51,137 INFO L185 Difference]: Start difference. First operand has 111 places, 107 transitions, 1305 flow. Second operand 7 states and 1037 transitions. [2021-04-29 00:47:51,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 1564 flow [2021-04-29 00:47:51,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 115 transitions, 1405 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-04-29 00:47:51,409 INFO L241 Difference]: Finished difference. Result has 111 places, 103 transitions, 1152 flow [2021-04-29 00:47:51,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=1150, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1152, PETRI_PLACES=111, PETRI_TRANSITIONS=103} [2021-04-29 00:47:51,410 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -15 predicate places. [2021-04-29 00:47:51,410 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:47:51,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 103 transitions, 1152 flow [2021-04-29 00:47:51,410 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 103 transitions, 1152 flow [2021-04-29 00:47:51,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 103 transitions, 1152 flow [2021-04-29 00:47:51,606 INFO L129 PetriNetUnfolder]: 686/1931 cut-off events. [2021-04-29 00:47:51,606 INFO L130 PetriNetUnfolder]: For 7577/7624 co-relation queries the response was YES. [2021-04-29 00:47:51,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7521 conditions, 1931 events. 686/1931 cut-off events. For 7577/7624 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 19426 event pairs, 0 based on Foata normal form. 22/973 useless extension candidates. Maximal degree in co-relation 7480. Up to 765 conditions per place. [2021-04-29 00:47:51,628 INFO L146 LiptonReduction]: Number of co-enabled transitions 832 [2021-04-29 00:47:51,649 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:47:51,649 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:47:51,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-04-29 00:47:51,650 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 103 transitions, 1152 flow [2021-04-29 00:47:51,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 143.9090909090909) internal successors, (1583), 11 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:51,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:47:51,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:47:51,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 00:47:51,652 INFO L428 AbstractCegarLoop]: === Iteration 21 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:47:51,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:47:51,653 INFO L82 PathProgramCache]: Analyzing trace with hash 423783055, now seen corresponding path program 1 times [2021-04-29 00:47:51,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:47:51,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226688670] [2021-04-29 00:47:51,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:47:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:47:51,737 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 00:47:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 00:47:51,849 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 00:47:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 00:47:51,976 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2021-04-29 00:47:51,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:47:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:47:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:47:52,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:47:52,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:47:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:47:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:47:52,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226688670] [2021-04-29 00:47:52,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:47:52,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:47:52,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495990051] [2021-04-29 00:47:52,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:47:52,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:47:52,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:47:52,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:47:52,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 337 [2021-04-29 00:47:52,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 103 transitions, 1152 flow. Second operand has 7 states, 7 states have (on average 158.42857142857142) internal successors, (1109), 7 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:52,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:47:52,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 337 [2021-04-29 00:47:52,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:47:52,853 INFO L129 PetriNetUnfolder]: 820/2275 cut-off events. [2021-04-29 00:47:52,853 INFO L130 PetriNetUnfolder]: For 10838/10965 co-relation queries the response was YES. [2021-04-29 00:47:52,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9090 conditions, 2275 events. 820/2275 cut-off events. For 10838/10965 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 23224 event pairs, 0 based on Foata normal form. 58/1172 useless extension candidates. Maximal degree in co-relation 9047. Up to 900 conditions per place. [2021-04-29 00:47:52,869 INFO L132 encePairwiseOnDemand]: 327/337 looper letters, 31 selfloop transitions, 9 changer transitions 9/106 dead transitions. [2021-04-29 00:47:52,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 106 transitions, 1309 flow [2021-04-29 00:47:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:47:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:47:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1131 transitions. [2021-04-29 00:47:52,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4794404408647732 [2021-04-29 00:47:52,878 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1131 transitions. [2021-04-29 00:47:52,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1131 transitions. [2021-04-29 00:47:52,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:47:52,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1131 transitions. [2021-04-29 00:47:52,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.57142857142858) internal successors, (1131), 7 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:52,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:52,885 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 337.0) internal successors, (2696), 8 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:52,885 INFO L185 Difference]: Start difference. First operand has 111 places, 103 transitions, 1152 flow. Second operand 7 states and 1131 transitions. [2021-04-29 00:47:52,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 106 transitions, 1309 flow [2021-04-29 00:47:53,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 106 transitions, 1239 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-04-29 00:47:53,042 INFO L241 Difference]: Finished difference. Result has 113 places, 97 transitions, 997 flow [2021-04-29 00:47:53,043 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=997, PETRI_PLACES=113, PETRI_TRANSITIONS=97} [2021-04-29 00:47:53,043 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -13 predicate places. [2021-04-29 00:47:53,043 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:47:53,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 97 transitions, 997 flow [2021-04-29 00:47:53,043 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 97 transitions, 997 flow [2021-04-29 00:47:53,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 97 transitions, 997 flow [2021-04-29 00:47:53,200 INFO L129 PetriNetUnfolder]: 684/1907 cut-off events. [2021-04-29 00:47:53,200 INFO L130 PetriNetUnfolder]: For 7267/7319 co-relation queries the response was YES. [2021-04-29 00:47:53,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7382 conditions, 1907 events. 684/1907 cut-off events. For 7267/7319 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 19242 event pairs, 0 based on Foata normal form. 19/954 useless extension candidates. Maximal degree in co-relation 7341. Up to 765 conditions per place. [2021-04-29 00:47:53,222 INFO L146 LiptonReduction]: Number of co-enabled transitions 764 [2021-04-29 00:47:53,228 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:47:53,228 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:47:53,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-29 00:47:53,229 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 97 transitions, 997 flow [2021-04-29 00:47:53,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 158.42857142857142) internal successors, (1109), 7 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:53,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:47:53,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:47:53,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 00:47:53,230 INFO L428 AbstractCegarLoop]: === Iteration 22 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:47:53,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:47:53,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1571588654, now seen corresponding path program 1 times [2021-04-29 00:47:53,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:47:53,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704880999] [2021-04-29 00:47:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:47:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:47:53,390 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 00:47:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 00:47:53,493 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 00:47:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 00:47:53,621 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2021-04-29 00:47:53,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:47:53,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:47:53,666 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-04-29 00:47:53,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 00:47:53,750 INFO L142 QuantifierPusher]: treesize reduction 22, result has 64.5 percent of original size [2021-04-29 00:47:53,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 00:47:53,904 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2021-04-29 00:47:53,909 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-04-29 00:47:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 00:47:54,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-04-29 00:47:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:47:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:47:54,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704880999] [2021-04-29 00:47:54,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:47:54,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:47:54,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497809800] [2021-04-29 00:47:54,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:47:54,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:47:54,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:47:54,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:47:54,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 337 [2021-04-29 00:47:54,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 97 transitions, 997 flow. Second operand has 9 states, 9 states have (on average 156.11111111111111) internal successors, (1405), 9 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:54,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:47:54,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 337 [2021-04-29 00:47:54,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:47:54,369 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2021-04-29 00:47:54,662 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2021-04-29 00:47:55,805 INFO L129 PetriNetUnfolder]: 819/2261 cut-off events. [2021-04-29 00:47:55,805 INFO L130 PetriNetUnfolder]: For 10608/10720 co-relation queries the response was YES. [2021-04-29 00:47:55,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8980 conditions, 2261 events. 819/2261 cut-off events. For 10608/10720 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 23168 event pairs, 0 based on Foata normal form. 58/1152 useless extension candidates. Maximal degree in co-relation 8937. Up to 900 conditions per place. [2021-04-29 00:47:55,820 INFO L132 encePairwiseOnDemand]: 325/337 looper letters, 18 selfloop transitions, 15 changer transitions 14/102 dead transitions. [2021-04-29 00:47:55,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 102 transitions, 1180 flow [2021-04-29 00:47:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 00:47:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 00:47:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2047 transitions. [2021-04-29 00:47:55,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.467244921250856 [2021-04-29 00:47:55,830 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2047 transitions. [2021-04-29 00:47:55,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2047 transitions. [2021-04-29 00:47:55,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:47:55,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2047 transitions. [2021-04-29 00:47:55,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 157.46153846153845) internal successors, (2047), 13 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:55,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 337.0) internal successors, (4718), 14 states have internal predecessors, (4718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:55,842 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 337.0) internal successors, (4718), 14 states have internal predecessors, (4718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:47:55,842 INFO L185 Difference]: Start difference. First operand has 111 places, 97 transitions, 997 flow. Second operand 13 states and 2047 transitions. [2021-04-29 00:47:55,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 102 transitions, 1180 flow [2021-04-29 00:47:56,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 102 transitions, 1140 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 00:47:56,024 INFO L241 Difference]: Finished difference. Result has 119 places, 88 transitions, 896 flow [2021-04-29 00:47:56,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=896, PETRI_PLACES=119, PETRI_TRANSITIONS=88} [2021-04-29 00:47:56,025 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -7 predicate places. [2021-04-29 00:47:56,025 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:47:56,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 88 transitions, 896 flow [2021-04-29 00:47:56,025 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 88 transitions, 896 flow [2021-04-29 00:47:56,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 88 transitions, 896 flow [2021-04-29 00:47:56,198 INFO L129 PetriNetUnfolder]: 682/1894 cut-off events. [2021-04-29 00:47:56,198 INFO L130 PetriNetUnfolder]: For 6165/6241 co-relation queries the response was YES. [2021-04-29 00:47:56,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7221 conditions, 1894 events. 682/1894 cut-off events. For 6165/6241 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 19121 event pairs, 0 based on Foata normal form. 20/948 useless extension candidates. Maximal degree in co-relation 7179. Up to 765 conditions per place. [2021-04-29 00:47:56,224 INFO L146 LiptonReduction]: Number of co-enabled transitions 558 [2021-04-29 00:47:57,221 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2021-04-29 00:47:57,608 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:47:59,441 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-04-29 00:48:00,196 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 00:48:00,216 INFO L158 LiptonReduction]: Checked pairs total: 14 [2021-04-29 00:48:00,217 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:48:00,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4192 [2021-04-29 00:48:00,218 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 89 transitions, 900 flow [2021-04-29 00:48:00,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 156.11111111111111) internal successors, (1405), 9 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:00,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:00,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:00,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 00:48:00,219 INFO L428 AbstractCegarLoop]: === Iteration 23 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:00,219 INFO L82 PathProgramCache]: Analyzing trace with hash 195427967, now seen corresponding path program 1 times [2021-04-29 00:48:00,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:00,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004680677] [2021-04-29 00:48:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:48:00,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:00,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:48:00,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:00,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:48:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:48:00,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:48:00,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:00,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:48:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:48:00,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004680677] [2021-04-29 00:48:00,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:48:00,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:48:00,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268895809] [2021-04-29 00:48:00,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:48:00,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:48:00,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:48:00,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:48:00,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 338 [2021-04-29 00:48:00,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 89 transitions, 900 flow. Second operand has 7 states, 7 states have (on average 171.42857142857142) internal successors, (1200), 7 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:00,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:48:00,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 338 [2021-04-29 00:48:00,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:48:01,236 INFO L129 PetriNetUnfolder]: 845/2359 cut-off events. [2021-04-29 00:48:01,237 INFO L130 PetriNetUnfolder]: For 9459/9600 co-relation queries the response was YES. [2021-04-29 00:48:01,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 2359 events. 845/2359 cut-off events. For 9459/9600 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 24458 event pairs, 0 based on Foata normal form. 69/1207 useless extension candidates. Maximal degree in co-relation 9189. Up to 945 conditions per place. [2021-04-29 00:48:01,248 INFO L132 encePairwiseOnDemand]: 329/338 looper letters, 20 selfloop transitions, 9 changer transitions 6/90 dead transitions. [2021-04-29 00:48:01,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 90 transitions, 988 flow [2021-04-29 00:48:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:48:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:48:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1215 transitions. [2021-04-29 00:48:01,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5135249366018597 [2021-04-29 00:48:01,255 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1215 transitions. [2021-04-29 00:48:01,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1215 transitions. [2021-04-29 00:48:01,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:48:01,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1215 transitions. [2021-04-29 00:48:01,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 173.57142857142858) internal successors, (1215), 7 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:01,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 338.0) internal successors, (2704), 8 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:01,261 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 338.0) internal successors, (2704), 8 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:01,261 INFO L185 Difference]: Start difference. First operand has 108 places, 89 transitions, 900 flow. Second operand 7 states and 1215 transitions. [2021-04-29 00:48:01,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 90 transitions, 988 flow [2021-04-29 00:48:01,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 90 transitions, 868 flow, removed 17 selfloop flow, removed 17 redundant places. [2021-04-29 00:48:01,443 INFO L241 Difference]: Finished difference. Result has 98 places, 84 transitions, 741 flow [2021-04-29 00:48:01,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=741, PETRI_PLACES=98, PETRI_TRANSITIONS=84} [2021-04-29 00:48:01,443 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -28 predicate places. [2021-04-29 00:48:01,443 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:48:01,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 84 transitions, 741 flow [2021-04-29 00:48:01,444 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 84 transitions, 741 flow [2021-04-29 00:48:01,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 84 transitions, 741 flow [2021-04-29 00:48:01,578 INFO L129 PetriNetUnfolder]: 654/1809 cut-off events. [2021-04-29 00:48:01,578 INFO L130 PetriNetUnfolder]: For 5845/5936 co-relation queries the response was YES. [2021-04-29 00:48:01,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6835 conditions, 1809 events. 654/1809 cut-off events. For 5845/5936 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 17974 event pairs, 0 based on Foata normal form. 21/895 useless extension candidates. Maximal degree in co-relation 6799. Up to 720 conditions per place. [2021-04-29 00:48:01,597 INFO L146 LiptonReduction]: Number of co-enabled transitions 470 [2021-04-29 00:48:01,609 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:48:01,610 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:48:01,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-04-29 00:48:01,611 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 84 transitions, 741 flow [2021-04-29 00:48:01,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 171.42857142857142) internal successors, (1200), 7 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:01,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:01,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:01,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 00:48:01,612 INFO L428 AbstractCegarLoop]: === Iteration 24 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:01,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:01,612 INFO L82 PathProgramCache]: Analyzing trace with hash 330737218, now seen corresponding path program 1 times [2021-04-29 00:48:01,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:01,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312839868] [2021-04-29 00:48:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:48:01,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:01,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:48:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:01,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:48:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 00:48:01,926 INFO L142 QuantifierPusher]: treesize reduction 8, result has 79.5 percent of original size [2021-04-29 00:48:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:48:02,043 INFO L142 QuantifierPusher]: treesize reduction 23, result has 82.0 percent of original size [2021-04-29 00:48:02,047 INFO L147 QuantifierPusher]: treesize reduction 43, result has 59.0 percent of original size 62 [2021-04-29 00:48:02,304 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2021-04-29 00:48:02,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 00:48:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 00:48:02,489 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-29 00:48:02,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:02,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:48:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:48:02,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312839868] [2021-04-29 00:48:02,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:48:02,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:48:02,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634846870] [2021-04-29 00:48:02,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:48:02,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:48:02,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:48:02,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:48:02,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 338 [2021-04-29 00:48:02,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 84 transitions, 741 flow. Second operand has 9 states, 9 states have (on average 154.11111111111111) internal successors, (1387), 9 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:02,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:48:02,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 338 [2021-04-29 00:48:02,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:48:02,891 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2021-04-29 00:48:03,200 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-04-29 00:48:03,475 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2021-04-29 00:48:03,919 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-04-29 00:48:04,526 INFO L129 PetriNetUnfolder]: 761/2052 cut-off events. [2021-04-29 00:48:04,526 INFO L130 PetriNetUnfolder]: For 8467/8563 co-relation queries the response was YES. [2021-04-29 00:48:04,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7947 conditions, 2052 events. 761/2052 cut-off events. For 8467/8563 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 20578 event pairs, 0 based on Foata normal form. 79/1067 useless extension candidates. Maximal degree in co-relation 7909. Up to 810 conditions per place. [2021-04-29 00:48:04,535 INFO L132 encePairwiseOnDemand]: 328/338 looper letters, 7 selfloop transitions, 15 changer transitions 10/87 dead transitions. [2021-04-29 00:48:04,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 87 transitions, 863 flow [2021-04-29 00:48:04,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:48:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:48:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1248 transitions. [2021-04-29 00:48:04,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-04-29 00:48:04,543 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1248 transitions. [2021-04-29 00:48:04,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1248 transitions. [2021-04-29 00:48:04,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:48:04,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1248 transitions. [2021-04-29 00:48:04,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:04,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:04,550 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:04,550 INFO L185 Difference]: Start difference. First operand has 93 places, 84 transitions, 741 flow. Second operand 8 states and 1248 transitions. [2021-04-29 00:48:04,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 87 transitions, 863 flow [2021-04-29 00:48:04,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 87 transitions, 821 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-04-29 00:48:04,694 INFO L241 Difference]: Finished difference. Result has 91 places, 77 transitions, 641 flow [2021-04-29 00:48:04,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=641, PETRI_PLACES=91, PETRI_TRANSITIONS=77} [2021-04-29 00:48:04,694 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -35 predicate places. [2021-04-29 00:48:04,694 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:48:04,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 77 transitions, 641 flow [2021-04-29 00:48:04,695 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 77 transitions, 641 flow [2021-04-29 00:48:04,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 641 flow [2021-04-29 00:48:04,750 INFO L129 PetriNetUnfolder]: 248/734 cut-off events. [2021-04-29 00:48:04,750 INFO L130 PetriNetUnfolder]: For 1892/1937 co-relation queries the response was YES. [2021-04-29 00:48:04,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2775 conditions, 734 events. 248/734 cut-off events. For 1892/1937 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 6101 event pairs, 0 based on Foata normal form. 11/366 useless extension candidates. Maximal degree in co-relation 2744. Up to 315 conditions per place. [2021-04-29 00:48:04,756 INFO L146 LiptonReduction]: Number of co-enabled transitions 344 [2021-04-29 00:48:04,766 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:48:04,766 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:48:04,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-04-29 00:48:04,767 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 77 transitions, 641 flow [2021-04-29 00:48:04,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 154.11111111111111) internal successors, (1387), 9 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:04,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:04,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:04,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 00:48:04,768 INFO L428 AbstractCegarLoop]: === Iteration 25 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:04,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:04,769 INFO L82 PathProgramCache]: Analyzing trace with hash -702279098, now seen corresponding path program 1 times [2021-04-29 00:48:04,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:04,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063884898] [2021-04-29 00:48:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:48:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:48:04,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:48:04,996 INFO L142 QuantifierPusher]: treesize reduction 19, result has 45.7 percent of original size [2021-04-29 00:48:04,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:48:05,014 INFO L142 QuantifierPusher]: treesize reduction 39, result has 63.2 percent of original size [2021-04-29 00:48:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 00:48:05,250 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2021-04-29 00:48:05,254 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 00:48:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:48:05,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-04-29 00:48:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:48:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:48:05,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063884898] [2021-04-29 00:48:05,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:48:05,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:48:05,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085156309] [2021-04-29 00:48:05,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:48:05,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:48:05,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:48:05,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:48:05,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 338 [2021-04-29 00:48:05,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 77 transitions, 641 flow. Second operand has 7 states, 7 states have (on average 153.42857142857142) internal successors, (1074), 7 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:05,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:48:05,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 338 [2021-04-29 00:48:05,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:48:05,775 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-04-29 00:48:06,171 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-04-29 00:48:06,538 INFO L129 PetriNetUnfolder]: 355/1004 cut-off events. [2021-04-29 00:48:06,538 INFO L130 PetriNetUnfolder]: For 3807/3866 co-relation queries the response was YES. [2021-04-29 00:48:06,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3902 conditions, 1004 events. 355/1004 cut-off events. For 3807/3866 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 8579 event pairs, 0 based on Foata normal form. 44/526 useless extension candidates. Maximal degree in co-relation 3869. Up to 405 conditions per place. [2021-04-29 00:48:06,542 INFO L132 encePairwiseOnDemand]: 333/338 looper letters, 14 selfloop transitions, 5 changer transitions 10/78 dead transitions. [2021-04-29 00:48:06,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 78 transitions, 707 flow [2021-04-29 00:48:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:48:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:48:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 776 transitions. [2021-04-29 00:48:06,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4591715976331361 [2021-04-29 00:48:06,549 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 776 transitions. [2021-04-29 00:48:06,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 776 transitions. [2021-04-29 00:48:06,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:48:06,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 776 transitions. [2021-04-29 00:48:06,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.2) internal successors, (776), 5 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:06,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:06,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:06,553 INFO L185 Difference]: Start difference. First operand has 86 places, 77 transitions, 641 flow. Second operand 5 states and 776 transitions. [2021-04-29 00:48:06,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 78 transitions, 707 flow [2021-04-29 00:48:06,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 78 transitions, 626 flow, removed 14 selfloop flow, removed 14 redundant places. [2021-04-29 00:48:06,582 INFO L241 Difference]: Finished difference. Result has 77 places, 68 transitions, 499 flow [2021-04-29 00:48:06,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2021-04-29 00:48:06,582 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -49 predicate places. [2021-04-29 00:48:06,582 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:48:06,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 68 transitions, 499 flow [2021-04-29 00:48:06,583 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 68 transitions, 499 flow [2021-04-29 00:48:06,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 68 transitions, 499 flow [2021-04-29 00:48:06,619 INFO L129 PetriNetUnfolder]: 129/435 cut-off events. [2021-04-29 00:48:06,619 INFO L130 PetriNetUnfolder]: For 1213/1231 co-relation queries the response was YES. [2021-04-29 00:48:06,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1585 conditions, 435 events. 129/435 cut-off events. For 1213/1231 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 3197 event pairs, 0 based on Foata normal form. 5/237 useless extension candidates. Maximal degree in co-relation 1558. Up to 145 conditions per place. [2021-04-29 00:48:06,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-29 00:48:06,626 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:48:06,626 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:48:06,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-04-29 00:48:06,627 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 499 flow [2021-04-29 00:48:06,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 153.42857142857142) internal successors, (1074), 7 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:06,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:06,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:06,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 00:48:06,628 INFO L428 AbstractCegarLoop]: === Iteration 26 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:06,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:06,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1015527668, now seen corresponding path program 1 times [2021-04-29 00:48:06,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:06,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538278888] [2021-04-29 00:48:06,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:48:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:48:06,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:48:06,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:06,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:48:06,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-04-29 00:48:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:48:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:48:06,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538278888] [2021-04-29 00:48:06,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:48:06,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:48:06,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952171058] [2021-04-29 00:48:06,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:48:06,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:48:06,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:48:06,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:48:06,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 338 [2021-04-29 00:48:06,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 163.66666666666666) internal successors, (982), 6 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:06,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:48:06,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 338 [2021-04-29 00:48:06,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:48:07,507 INFO L129 PetriNetUnfolder]: 255/796 cut-off events. [2021-04-29 00:48:07,508 INFO L130 PetriNetUnfolder]: For 2904/2981 co-relation queries the response was YES. [2021-04-29 00:48:07,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2983 conditions, 796 events. 255/796 cut-off events. For 2904/2981 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 6644 event pairs, 0 based on Foata normal form. 41/446 useless extension candidates. Maximal degree in co-relation 2954. Up to 289 conditions per place. [2021-04-29 00:48:07,511 INFO L132 encePairwiseOnDemand]: 329/338 looper letters, 10 selfloop transitions, 6 changer transitions 8/73 dead transitions. [2021-04-29 00:48:07,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 601 flow [2021-04-29 00:48:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:48:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:48:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 992 transitions. [2021-04-29 00:48:07,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4891518737672584 [2021-04-29 00:48:07,517 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 992 transitions. [2021-04-29 00:48:07,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 992 transitions. [2021-04-29 00:48:07,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:48:07,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 992 transitions. [2021-04-29 00:48:07,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.33333333333334) internal successors, (992), 6 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:07,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:07,520 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:07,520 INFO L185 Difference]: Start difference. First operand has 77 places, 68 transitions, 499 flow. Second operand 6 states and 992 transitions. [2021-04-29 00:48:07,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 601 flow [2021-04-29 00:48:07,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 73 transitions, 568 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-04-29 00:48:07,539 INFO L241 Difference]: Finished difference. Result has 75 places, 65 transitions, 456 flow [2021-04-29 00:48:07,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=75, PETRI_TRANSITIONS=65} [2021-04-29 00:48:07,539 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -51 predicate places. [2021-04-29 00:48:07,539 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:48:07,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 65 transitions, 456 flow [2021-04-29 00:48:07,540 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 65 transitions, 456 flow [2021-04-29 00:48:07,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 65 transitions, 456 flow [2021-04-29 00:48:07,573 INFO L129 PetriNetUnfolder]: 128/423 cut-off events. [2021-04-29 00:48:07,574 INFO L130 PetriNetUnfolder]: For 901/920 co-relation queries the response was YES. [2021-04-29 00:48:07,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1505 conditions, 423 events. 128/423 cut-off events. For 901/920 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 3074 event pairs, 0 based on Foata normal form. 4/228 useless extension candidates. Maximal degree in co-relation 1480. Up to 145 conditions per place. [2021-04-29 00:48:07,577 INFO L146 LiptonReduction]: Number of co-enabled transitions 220 [2021-04-29 00:48:07,580 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:48:07,580 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:48:07,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-04-29 00:48:07,580 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 65 transitions, 456 flow [2021-04-29 00:48:07,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.66666666666666) internal successors, (982), 6 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:07,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:07,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:07,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 00:48:07,581 INFO L428 AbstractCegarLoop]: === Iteration 27 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:07,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:07,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1121387369, now seen corresponding path program 1 times [2021-04-29 00:48:07,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:07,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990583825] [2021-04-29 00:48:07,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:48:07,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:48:07,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:07,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:48:07,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:07,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:48:07,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:48:07,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:48:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:48:07,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990583825] [2021-04-29 00:48:07,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:48:07,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:48:07,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513867037] [2021-04-29 00:48:07,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:48:07,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:48:07,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:48:07,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:48:07,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 338 [2021-04-29 00:48:07,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 65 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:07,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:48:07,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 338 [2021-04-29 00:48:07,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:48:08,321 INFO L129 PetriNetUnfolder]: 254/784 cut-off events. [2021-04-29 00:48:08,321 INFO L130 PetriNetUnfolder]: For 2235/2319 co-relation queries the response was YES. [2021-04-29 00:48:08,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 784 events. 254/784 cut-off events. For 2235/2319 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 6490 event pairs, 0 based on Foata normal form. 39/436 useless extension candidates. Maximal degree in co-relation 2844. Up to 289 conditions per place. [2021-04-29 00:48:08,327 INFO L132 encePairwiseOnDemand]: 332/338 looper letters, 8 selfloop transitions, 4 changer transitions 9/70 dead transitions. [2021-04-29 00:48:08,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 70 transitions, 548 flow [2021-04-29 00:48:08,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:48:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:48:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1179 transitions. [2021-04-29 00:48:08,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49830938292476756 [2021-04-29 00:48:08,335 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1179 transitions. [2021-04-29 00:48:08,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1179 transitions. [2021-04-29 00:48:08,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:48:08,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1179 transitions. [2021-04-29 00:48:08,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.42857142857142) internal successors, (1179), 7 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:08,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 338.0) internal successors, (2704), 8 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:08,341 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 338.0) internal successors, (2704), 8 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:08,341 INFO L185 Difference]: Start difference. First operand has 73 places, 65 transitions, 456 flow. Second operand 7 states and 1179 transitions. [2021-04-29 00:48:08,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 70 transitions, 548 flow [2021-04-29 00:48:08,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 70 transitions, 498 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-04-29 00:48:08,366 INFO L241 Difference]: Finished difference. Result has 72 places, 61 transitions, 387 flow [2021-04-29 00:48:08,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=387, PETRI_PLACES=72, PETRI_TRANSITIONS=61} [2021-04-29 00:48:08,367 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -54 predicate places. [2021-04-29 00:48:08,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:48:08,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 61 transitions, 387 flow [2021-04-29 00:48:08,367 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 61 transitions, 387 flow [2021-04-29 00:48:08,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 61 transitions, 387 flow [2021-04-29 00:48:08,415 INFO L129 PetriNetUnfolder]: 109/380 cut-off events. [2021-04-29 00:48:08,416 INFO L130 PetriNetUnfolder]: For 834/858 co-relation queries the response was YES. [2021-04-29 00:48:08,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 380 events. 109/380 cut-off events. For 834/858 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 2726 event pairs, 0 based on Foata normal form. 3/213 useless extension candidates. Maximal degree in co-relation 1293. Up to 145 conditions per place. [2021-04-29 00:48:08,420 INFO L146 LiptonReduction]: Number of co-enabled transitions 182 [2021-04-29 00:48:08,424 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:48:08,424 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:48:08,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 00:48:08,425 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 61 transitions, 387 flow [2021-04-29 00:48:08,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:48:08,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:48:08,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:48:08,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 00:48:08,426 INFO L428 AbstractCegarLoop]: === Iteration 28 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:48:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:48:08,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2096943474, now seen corresponding path program 1 times [2021-04-29 00:48:08,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:48:08,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561857884] [2021-04-29 00:48:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:48:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:48:08,507 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:48:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:48:08,676 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:48:08,741 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:48:08,741 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:48:08,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 00:48:08,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:48:08 BasicIcfg [2021-04-29 00:48:08,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:48:08,898 INFO L168 Benchmark]: Toolchain (without parser) took 257678.45 ms. Allocated memory was 325.1 MB in the beginning and 1.1 GB in the end (delta: 805.3 MB). Free memory was 298.5 MB in the beginning and 935.3 MB in the end (delta: -636.8 MB). Peak memory consumption was 818.0 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,899 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 325.1 MB. Free memory was 293.3 MB in the beginning and 293.3 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:48:08,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.19 ms. Allocated memory is still 325.1 MB. Free memory was 295.4 MB in the beginning and 285.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.73 ms. Allocated memory is still 325.1 MB. Free memory was 285.1 MB in the beginning and 281.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,899 INFO L168 Benchmark]: Boogie Preprocessor took 88.94 ms. Allocated memory is still 325.1 MB. Free memory was 281.9 MB in the beginning and 279.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,900 INFO L168 Benchmark]: RCFGBuilder took 3838.81 ms. Allocated memory was 325.1 MB in the beginning and 390.1 MB in the end (delta: 65.0 MB). Free memory was 279.8 MB in the beginning and 305.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,900 INFO L168 Benchmark]: TraceAbstraction took 252660.12 ms. Allocated memory was 390.1 MB in the beginning and 1.1 GB in the end (delta: 740.3 MB). Free memory was 305.3 MB in the beginning and 935.3 MB in the end (delta: -630.1 MB). Peak memory consumption was 757.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:48:08,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 325.1 MB. Free memory was 293.3 MB in the beginning and 293.3 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 960.19 ms. Allocated memory is still 325.1 MB. Free memory was 295.4 MB in the beginning and 285.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 78.73 ms. Allocated memory is still 325.1 MB. Free memory was 285.1 MB in the beginning and 281.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 88.94 ms. Allocated memory is still 325.1 MB. Free memory was 281.9 MB in the beginning and 279.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3838.81 ms. Allocated memory was 325.1 MB in the beginning and 390.1 MB in the end (delta: 65.0 MB). Free memory was 279.8 MB in the beginning and 305.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 252660.12 ms. Allocated memory was 390.1 MB in the beginning and 1.1 GB in the end (delta: 740.3 MB). Free memory was 305.3 MB in the beginning and 935.3 MB in the end (delta: -630.1 MB). Peak memory consumption was 757.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91436.5ms, 102 PlacesBefore, 126 PlacesAfterwards, 94 TransitionsBefore, 118 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 9 FixpointIterations, 160 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 228 TotalNumberOfCompositions, 15353 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3033, positive: 2748, positive conditional: 2748, positive unconditional: 0, negative: 285, negative conditional: 285, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1572, positive: 1510, positive conditional: 0, positive unconditional: 1510, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1572, positive: 1510, positive conditional: 0, positive unconditional: 1510, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1572, positive: 1492, positive conditional: 0, positive unconditional: 1492, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1803, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 1712, negative conditional: 0, negative unconditional: 1712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3033, positive: 1238, positive conditional: 1238, positive unconditional: 0, negative: 223, negative conditional: 223, negative unconditional: 0, unknown: 1572, unknown conditional: 1572, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1572, Positive cache size: 1510, Positive conditional cache size: 1510, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.2ms, 122 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 904 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 205, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1596, Positive cache size: 1526, Positive conditional cache size: 1526, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 484.2ms, 51 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 564 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 68, positive conditional: 10, positive unconditional: 58, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 68, positive conditional: 10, positive unconditional: 58, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 461, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 343, negative conditional: 103, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 185, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1671, Positive cache size: 1594, Positive conditional cache size: 1594, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.2ms, 40 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 163, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1696, Positive cache size: 1618, Positive conditional cache size: 1618, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 359.1ms, 46 PlacesBefore, 46 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 131 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 298, negative conditional: 0, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1700, Positive cache size: 1619, Positive conditional cache size: 1619, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 572.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 501, positive: 398, positive conditional: 398, positive unconditional: 0, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1710, Positive cache size: 1627, Positive conditional cache size: 1627, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 657.6ms, 57 PlacesBefore, 57 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 147 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 583, positive: 493, positive conditional: 493, positive unconditional: 0, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1734, Positive cache size: 1649, Positive conditional cache size: 1649, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.6ms, 61 PlacesBefore, 61 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 876 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 100 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1736, Positive cache size: 1651, Positive conditional cache size: 1651, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.0ms, 65 PlacesBefore, 65 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1739, Positive cache size: 1654, Positive conditional cache size: 1654, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 215.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 1170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1746, Positive cache size: 1661, Positive conditional cache size: 1661, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.5ms, 74 PlacesBefore, 74 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 1224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 64, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1754, Positive cache size: 1669, Positive conditional cache size: 1669, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.3ms, 81 PlacesBefore, 81 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 1340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 304 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1679, Positive conditional cache size: 1679, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.2ms, 84 PlacesBefore, 84 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 1408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 328 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1773, Positive cache size: 1688, Positive conditional cache size: 1688, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.3ms, 84 PlacesBefore, 84 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 272 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1775, Positive cache size: 1690, Positive conditional cache size: 1690, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 278.7ms, 101 PlacesBefore, 100 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 1256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 869 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 11, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 11, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 153, positive conditional: 153, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1787, Positive cache size: 1702, Positive conditional cache size: 1702, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 264.6ms, 111 PlacesBefore, 111 PlacesAfterwards, 127 TransitionsBefore, 127 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1793, Positive cache size: 1708, Positive conditional cache size: 1708, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.9ms, 117 PlacesBefore, 117 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 1066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 737 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1803, Positive cache size: 1718, Positive conditional cache size: 1718, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 658.1ms, 109 PlacesBefore, 108 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1803, Positive cache size: 1718, Positive conditional cache size: 1718, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 979.0ms, 107 PlacesBefore, 108 PlacesAfterwards, 113 TransitionsBefore, 115 TransitionsAfterwards, 986 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 38 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 18, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 18, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1822, Positive cache size: 1737, Positive conditional cache size: 1737, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111674.7ms, 114 PlacesBefore, 111 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 430 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 430, positive conditional: 430, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 430, positive: 387, positive conditional: 387, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1865, Positive cache size: 1780, Positive conditional cache size: 1780, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 239.2ms, 111 PlacesBefore, 111 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1865, Positive cache size: 1780, Positive conditional cache size: 1780, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.5ms, 113 PlacesBefore, 111 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1865, Positive cache size: 1780, Positive conditional cache size: 1780, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4191.3ms, 119 PlacesBefore, 108 PlacesAfterwards, 88 TransitionsBefore, 89 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 14 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.8ms, 98 PlacesBefore, 93 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.4ms, 91 PlacesBefore, 86 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.3ms, 77 PlacesBefore, 77 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.0ms, 75 PlacesBefore, 73 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.4ms, 72 PlacesBefore, 69 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L719] 0 _Bool x$flush_delayed; [L720] 0 int x$mem_tmp; [L721] 0 _Bool x$r_buff0_thd0; [L722] 0 _Bool x$r_buff0_thd1; [L723] 0 _Bool x$r_buff0_thd2; [L724] 0 _Bool x$r_buff0_thd3; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$r_buff1_thd3; [L729] 0 _Bool x$read_delayed; [L730] 0 int *x$read_delayed_var; [L731] 0 int x$w_buff0; [L732] 0 _Bool x$w_buff0_used; [L733] 0 int x$w_buff1; [L734] 0 _Bool x$w_buff1_used; [L736] 0 int y = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2552; [L850] FCALL, FORK 0 pthread_create(&t2552, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2553; [L852] FCALL, FORK 0 pthread_create(&t2553, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2554; [L854] FCALL, FORK 0 pthread_create(&t2554, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 252293.8ms, OverallIterations: 28, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 25115.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 91560.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 120 SDslu, 44 SDs, 0 SdLazy, 1581 SolverSat, 628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5945.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 13574.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2025occurred in iteration=15, InterpolantAutomatonStates: 174, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 134.3ms SsaConstructionTime, 1457.1ms SatisfiabilityAnalysisTime, 10491.2ms InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 5147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...